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# SOYO COMPUTER CO., LTD.
SY-4SAW/2/W5
Processor UMCU5S/80486SX/SL80486SX/80486SX2/SL80486SX2/CX486DX/
TI486DX/SGS486DX/80486DX/SL80486DX/CX486DX2/TI486DX2/
SGS486DX2/UMC486DX2/AM486DX2/80486DX2/SL80486DX2/
80486DX4/TI486DX4/SGS486DX4/AM486DX4/80486DX4/P24D/P24T/ CX M1SC/AM
X5
Processor 25/33/40/50(internal)/50/63(internal)/66(internal)/75(internal)/
Speed 80(internal)/83(internal)100(internal)/120(internal)/133(internal)/
150(internal)/160(internal)MHz
Chip Set SIS
Maximum 256MB
Onboard
Memory
Cache 256/512KB
BIOS Award
Dimensions 250mm x 220mm
I/O 32-bit VESA local bus slot, 32-bit PCI slots (4), green PC
Options connector, floppy drive interface, IDE interfaces (2), parallel
port, PS/2 mouse interface, serial ports (2)
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|---------------------+-------+---------------------+--------|
| Serial port 2 | CN1 | Speaker | J18 |
|---------------------+-------+---------------------+--------|
| Serial port 1 | CN2 | Reset switch | J19 |
|---------------------+-------+---------------------+--------|
| Floppy drive | CN3 | External battery | J20 |
| interface | | | |
|---------------------+-------+---------------------+--------|
| Parallel port | CN4 | Turbo switch | J21 |
|---------------------+-------+---------------------+--------|
| IDE interface 1 | CN5 | Turbo LED | J22 |
|---------------------+-------+---------------------+--------|
| IDE interface 2 | CN6 | IDE interface LED 2 | JP17 |
|---------------------+-------+---------------------+--------|
| PS/2 mouse | J1 | IDE interface LED 1 | JP18 |
| interface | | | |
|---------------------+-------+---------------------+--------|
| Green PC connector | J7 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|---------------------+-------+---------------------+--------|
| Power LED & keylock | J17 | 32-bit VESA local | SL1 |
| | | bus slot | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|---------------------------------------+-------+------------|
| » | Factory configured - do not alter | JP1 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | BIOS type select EPROM/flash | JP2 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | BIOS type select flash | JP2 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Monitor type select color | JP3 | Closed |
|---+-----------------------------------+-------+------------|
| | Monitor type select monochrome | JP3 | Open |
|---+-----------------------------------+-------+------------|
| » | PS/2 mouse disabled | JP4 | Open |
|---+-----------------------------------+-------+------------|
| | PS/2 mouse enabled | JP4 | Closed |
|---+-----------------------------------+-------+------------|
| » | CMOS memory normal operation | JP5 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP5 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP12 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP19 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP27 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP28 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP48 | N/A |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP51 | N/A |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+--------------+------------+------------+------------|
| 2MB | (1) 512K x | None | None | None |
| | 36 | | | |
|------+--------------+------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | None | None |
| | 36 | 36 | | |
|------+--------------+------------+------------+------------|
| 3MB | (1) 512K x | (1) 256K x | None | None |
| | 36 | 36 | | |
|------+--------------+------------+------------+------------|
| 3MB | (1) 256K x | (1) 256K x | (1) 256K x | None |
| | 36 | 36 | 36 | |
|------+--------------+------------+------------+------------|
| 3MB | (1) 256K x | (1) 512K x | None | None |
| | 36 | 36 | | |
|------+--------------+------------+------------+------------|
| 4MB | (1) 1M x 36 | None | None | None |
|------+--------------+------------+------------+------------|
| 4MB | (1) 512K x | (1) 256K x | (1) 256K x | None |
| | 36 | 36 | 36 | |
|------+--------------+------------+------------+------------|
| 4MB | (1) 512K x | (1) 512K x | None | None |
| | 36 | 36 | | |
|------+--------------+------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 1M x 36 | (1) 256K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 512K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 256K x | (1) 512K x | (1) 512K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 256K x | (1) 1M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 1M x 36 | (1) 512K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 512K x | (1) 512K x | (1) 512K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 512K x | (1) 1M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 7MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 512K x | (1) 512K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 2M x 36 | (1) 256K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 256K x | (1) 1M x 36 | (1) 1M x | None |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 256K x | (1) 2M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 2M x 36 | (1) 256K x | (1) 256K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 2M x 36 | (1) 512K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 512K x | (1) 1M x 36 | (1) 1M x | None |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 512K x | (1) 2M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 11MB | (1) 2M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 2M x 36 | (1) 512K x | (1) 512K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 2M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 13MB | (1) 256K x | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 14MB | (1) 512K x | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 17MB | (1) 4M x 36 | (1) 256K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 17MB | (1) 256K x | (1) 2M x 36 | (1) 2M x | None |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 17MB | (1) 256K x | (1) 4M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 4M x 36 | (1) 512K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 512K x | (1) 2M x 36 | (1) 2M x | None |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 512K x | (1) 4M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 19MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 4M x 36 | (1) 512K x | (1) 512K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 4M x 36 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 8M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 33MB | (1) 8M x 36 | (1) 256K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 33MB | (1) 256K x | (1) 4M x 36 | (1) 4M x | None |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 33MB | (1) 256K x | (1) 8M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 8M x 36 | (1) 256K x | (1) 256K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 8M x 36 | (1) 512K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 512K x | (1) 4M x 36 | (1) 4M x | None |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 512K x | (1) 8M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 35MB | (1) 8M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 8M x 36 | (1) 512K x | (1) 512K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 8M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 8M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 8M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 8M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 2M x 36 | (1) 4M x 36 | (1) 4M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 2M x 36 | (1) 8M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 44MB | (1) 8M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 8M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 8M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 8M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 49MB | (1) 256K x | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 50MB | (1) 512K x | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 52MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 56MB | (1) 2M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 4M x 36 | (1) 4M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 16M x | None | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 65MB | (1) 256K x | (1) 8M x 36 | (1) 8M x | None |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 65MB | (1) 16M x | (1) 256K x | None | None |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 66MB | (1) 16M x | (1) 256K x | (1) 256K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 66MB | (1) 16M x | (1) 512K x | None | None |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 66MB | (1) 512K x | (1) 8M x 36 | (1) 8M x | None |
| | 36 | | 36 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 67MB | (1) 16M x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 16M x | (1) 512K x | (1) 512K x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 16M x | (1) 1M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 16M x | (1) 1M x | (1) 1M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 16M x | (1) 2M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 2M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 76MB | (1) 16M x | (1) 1M x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 16M x | (1) 2M x | (1) 2M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 16M x | (1) 4M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 8M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 16M x | (1) 4M x | (1) 4M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 16M x | (1) 8M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 112MB | (1) 16M x | (1) 4M x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | (1) 16M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | (1) 8M x | (1) 8M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 192MB | (1) 16M x | (1) 16M x | (1) 16M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 256MB | (1) 16M x | (1) 16M x | (1) 16M x | (1) 16M x |
| | 36 | 36 | 36 | 36 |
|------------------------------------------------------------|
| Note: Board also accepts x 32 SIMMs. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE SIZE |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (4) 64K x 8 | (1) 16K/32K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (4) 128K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER |
|------------------------------------------------------------|
| Size | JP29 | JP47 |
|--------------------+-------------------+-------------------|
| 256KB (Aster TAG) | Open | Pins 2 & 3 closed |
|--------------------+-------------------+-------------------|
| 256KB (Winbond | Pins 1 & 2 closed | Open |
| TAG) | | |
|--------------------+-------------------+-------------------|
| 512KB | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE |
|------------------------------------------------------------|
| Setting | JP30 | JP31 | JP32 | JP33 |
|-------------------+----------+----------+----------+-------|
| UMC U5S | Open | 1 & 2, 3 | 1 & 2, 3 | 3 & 4 |
| | | & 4 | & 4 | |
|-------------------+----------+----------+----------+-------|
| 80486SX | 3 & 4 | Open | 2 & 3 | Open |
|-------------------+----------+----------+----------+-------|
| SL80486SX | 3 & 4 | Open | 2 & 3 | Open |
|-------------------+----------+----------+----------+-------|
| 80486SX2 | 3 & 4 | Open | 2 & 3 | Open |
|-------------------+----------+----------+----------+-------|
| SL80486SX2 | 3 & 4 | Open | 2 & 3 | Open |
|-------------------+----------+----------+----------+-------|
| CX486DX | 2 & 3 | 3 & 4 | 1 & 2, 3 | 2 & 3 |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| TI486DX | 2 & 3 | 3 & 4 | 1 & 2, 3 | 2 & 3 |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| SGS486DX | 2 & 3 | 3 & 4 | 1 & 2, 3 | 2 & 3 |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| 80486DX | 3 & 4 | 3 & 4 | 1 & 2, 3 | Open |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| SL80486DX | 3 & 4 | 3 & 4 | 1 & 2, 3 | Open |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| CX486DX2-50/66 | 2 & 3 | 3 & 4 | 1 & 2, 3 | 2 & 3 |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| CX486DX2-80 | 2 & 3 | 3 & 4 | 1 & 2, 3 | 2 & 3 |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| TI486DX2-50/66 | 2 & 3 | 3 & 4 | 1 & 2, 3 | 2 & 3 |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| TI486DX2-80 | 2 & 3 | 3 & 4 | 1 & 2, 3 | 2 & 3 |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| SGS486DX2-50/66 | 2 & 3 | 3 & 4 | 1 & 2, 3 | 2 & 3 |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| SGS486DX2-80 | 2 & 3 | 3 & 4 | 1 & 2, 3 | 2 & 3 |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| UMC486DX2 | 3 & 4 | 3 & 4 | 1 & 2, 3 | Open |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| AM486DX2(NV8B) | 1 & 2, 3 | 3 & 4 | 1 & 2, 3 | Open |
| | & 4 | | & 4 | |
|-------------------+----------+----------+----------+-------|
| AM486DX2-66(NV8T) | 3 & 4 | 1 & 2 | 1 & 2, 3 | Open |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| AM486DX2-66 | 3 & 4 | 1 & 2 | 1 & 2, 3 | Open |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| AM486DX2-80(NV8T) | 3 & 4 | 1 & 2 | 1 & 2, 3 | Open |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| AM486DX2-80 | 3 & 4 | 1 & 2 | 1 & 2, 3 | Open |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| 80486DX2 | 3 & 4 | 3 & 4 | 1 & 2, 3 | Open |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| SL80486DX2 | 3 & 4 | 3 & 4 | 1 & 2, 3 | Open |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| CX486DX4 | 2 & 3 | 3 & 4 | 1 & 2, 3 | 2 & 3 |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| TI486DX4 | 2 & 3 | 3 & 4 | 1 & 2, 3 | 2 & 3 |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| SGS486DX4 | 2 & 3 | 3 & 4 | 1 & 2, 3 | 2 & 3 |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| AM486DX4(NV8T) | 3 & 4 | 1 & 2 | 1 & 2, 3 | Open |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| AM486DX4(NV8B) | 1 & 2, 3 | 3 & 4 | 1 & 2, 3 | Open |
| | & 4 | | & 4 | |
|-------------------+----------+----------+----------+-------|
| 80486DX4 (5v) | 3 & 4 | 3 & 4 | 1 & 2, 3 | Open |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| 80486DX4 (3.45v) | 3 & 4 | 3 & 4 | 1 & 2, 3 | Open |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| P24D | 1 & 2, 3 | 3 & 4 | 1 & 2, 3 | Open |
| | & 4 | | & 4 | |
|-------------------+----------+----------+----------+-------|
| P24T | 3 & 4 | 2 & 3 | 1 & 2, 3 | 1 & 2 |
| | | | & 4 | |
|-------------------+----------+----------+----------+-------|
| CX M1SC | 1 & 2, 3 | 3 & 4 | 1 & 2, 3 | Open |
| | & 4 | | & 4 | |
|-------------------+----------+----------+----------+-------|
| AM X5-150 | 1 & 2, 3 | 3 & 4 | 1 & 2, 3 | Open |
| | & 4 | | & 4 | |
|-------------------+----------+----------+----------+-------|
| AM X5-133/160 | 1 & 2, 3 | 3 & 4 | 1 & 2, 3 | Open |
| | & 4 | | & 4 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE (CON’T) |
|------------------------------------------------------------|
| Setting | JP34 | JP36 | JP37 | JP38 |
|-------------------------+--------+--------+--------+-------|
| UMC U5S | Open | Open | Open | Open |
|-------------------------+--------+--------+--------+-------|
| 80486SX | Open | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| SL80486SX | Open | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| 80486SX2 | Open | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| SL80486SX2 | Open | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| CX486DX | Open | Open | 2 & 3 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| TI486DX | Open | Open | 2 & 3 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| SGS486DX | Open | Open | 2 & 3 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| 80486DX | Open | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| SL80486DX | Open | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| CX486DX2-50/66 (3.6v) | Open | Open | 2 & 3 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| CX486DX2-50/66 (5v) | Open | Open | 2 & 3 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| CX486DX2-80 | Open | Open | 2 & 3 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| TI486DX2-50/66 (3.6v) | Open | Open | 2 & 3 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| TI486DX2-50/66 (5v) | Open | Open | 2 & 3 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| TI486DX2-80 | Open | Open | 2 & 3 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| SGS486DX2-50/66 (3.6v) | Open | Open | 2 & 3 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| SGS486DX2-50/66 (5v) | Open | Open | 2 & 3 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| SGS486DX2-80 | Open | Open | 2 & 3 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| UMC486DX2 | Open | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| AM486DX2(NV8B) | 1 & 2 | Open | 4 & 5 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| AM486DX2-66(NV8T) | 2 & 3 | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| AM486DX2-66 | 2 & 3 | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| AM486DX2-80(NV8T) | 2 & 3 | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| AM486DX2-80 | 2 & 3 | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| 80486DX2 | Open | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| SL80486DX2 | Open | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| CX486DX4 | Open | Open | 2 & 3 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| TI486DX4 | Open | Open | 2 & 3 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| SGS486DX4 | Open | Open | 2 & 3 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| AM486DX4(NV8T) | 1 & 2 | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| AM486DX4(NV8B) | 1 & 2 | Open | 4 & 5 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| 80486DX4 (5v) | Open | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| 80486DX4 (3.45v) | Open | Open | 4 & 5 | Open |
|-------------------------+--------+--------+--------+-------|
| P24D | 1 & 2 | Open | 4 & 5 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| P24T | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| CX M1SC | 1 & 2 | Open | 4 & 5 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| AM X5-150 | 1 & 2 | Open | 4 & 5 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| AM X5-133/160 | 1 & 2 | Open | 4 & 5 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE (CON’T) |
|------------------------------------------------------------|
| Setting | JP39 | JP40 | JP41 | JP42 |
|--------------------+--------------+--------+-------+-------|
| UMC U5S | 3 & 4 | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| 80486SX | 3 & 4 | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| SL80486SX | 3 & 4 | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| 80486SX2 | 3 & 4 | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| SL80486SX2 | 3 & 4 | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| CX486DX | Unidentified | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| TI486DX | Unidentified | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| SGS486DX | Unidentified | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| 80486DX | 3 & 4 | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| SL80486DX | 3 & 4 | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| CX486DX2-50/66 | 5 & 6 | 3 & 5, | Open | 2 & 3 |
| (3.6v) | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| CX486DX2-50/66 | 5 & 6 | 1 & 3, | Open | 2 & 3 |
| (5v) | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| CX486DX2-80 | 1 & 2 | 3 & 5, | Open | 2 & 3 |
| | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| TI486DX2-50/66 | 5 & 6 | 3 & 5, | Open | 2 & 3 |
| (3.6v) | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| TI486DX2-50/66 | 5 & 6 | 1 & 3, | Open | 2 & 3 |
| (5v) | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| TI486DX2-80 | 1 & 2 | 3 & 5, | Open | 2 & 3 |
| | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| SGS486DX2-50/66 | 5 & 6 | 3 & 5, | Open | 2 & 3 |
| (3.6v) | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| SGS486DX2-50/66 | 5 & 6 | 1 & 3, | Open | 2 & 3 |
| (5v) | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| SGS486DX2-80 | 1 & 2 | 3 & 5, | Open | 2 & 3 |
| | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| UMC486DX2 | 3 & 4 | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| AM486DX2(NV8B) | 3 & 4 | 3 & 5, | 1 & 2 | 1 & 2 |
| | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| AM486DX2-66(NV8T) | 3 & 4 | 3 & 5, | Open | 2 & 3 |
| | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| AM486DX2-66 | 3 & 4 | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| AM486DX2-80(NV8T) | 3 & 4 | 3 & 5, | Open | 2 & 3 |
| | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| AM486DX2-80 | 3 & 4 | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| 80486DX2 | 3 & 4 | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| SL80486DX2 | 3 & 4 | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| CX486DX4 | 3 & 4 | 3 & 5, | Open | 2 & 3 |
| | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| TI486DX4 | 3 & 4 | 3 & 5, | Open | 2 & 3 |
| | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| SGS486DX4 | 3 & 4 | 3 & 5, | Open | 2 & 3 |
| | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| AM486DX4 (NV8T) | 3 & 4 | 3 & 5, | Open | 2 & 3 |
| | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| AM486DX4(NV8B) | 3 & 4 | 3 & 5, | 1 & 2 | 1 & 2 |
| | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| 80486DX4 (5v) | 3 & 4 | 1 & 3, | Open | 2 & 3 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| 80486DX4 (3.45v) | 3 & 4 | 3 & 5, | Open | 2 & 3 |
| | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| P24D | 3 & 4 | 1 & 3, | 1 & 2 | 1 & 2 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| P24T | 3 & 4 | 1 & 3, | Open | 1 & 2 |
| | | 2 & 4 | | |
|--------------------+--------------+--------+-------+-------|
| CX M1SC | 3 & 4 | 3 & 5, | 1 & 2 | 2 & 3 |
| | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| AM X5-150 | 3 & 4 | 3 & 5, | 1 & 2 | 1 & 2 |
| | | 4 & 6 | | |
|--------------------+--------------+--------+-------+-------|
| AM X5-133/160 | 3 & 4 | 3 & 5, | 1 & 2 | 1 & 2 |
| | | 4 & 6 | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE (CON’T) |
|------------------------------------------------------------|
| Setting | JP43 | JP44 | JP45 | JP46 |
|-------------------------+--------+--------+--------+-------|
| UMC U5S | Open | 1 & 2 | 2 & 3 | 4 & 5 |
|-------------------------+--------+--------+--------+-------|
| 80486SX | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| SL80486SX | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| 80486SX2 | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| SL80486SX2 | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| CX486DX | Open | Open | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| TI486DX | Open | Open | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| SGS486DX | Open | Open | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| 80486DX | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| SL80486DX | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| CX486DX2-50/66 (3.6v) | Open | Open | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| CX486DX2-50/66(5v) | Open | Open | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| CX486DX2-80 | Open | Open | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| TI486DX2-50/66 (3.6v) | Open | Open | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| TI486DX2-50/66 (5v) | Open | Open | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| TI486DX2-80 | Open | Open | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| SGS486DX2-50/66 (3.6v) | Open | Open | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| SGS486DX2-50/66 (5v) | Open | Open | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| SGS486DX2-80 | Open | Open | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| UMC486DX2 | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| AM486DX2(NV8B) | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| AM486DX2-66(NV8T) | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| AM486DX2-66 | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| AM486DX2-80(NV8T) | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| AM486DX2-80 | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| 80486DX2 | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| SL80486DX2 | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| CX486DX4 | Open | Open | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| TI486DX4 | Open | Open | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| SGS486DX4 | Open | Open | 1 & 2 | 1 & 2 |
|-------------------------+--------+--------+--------+-------|
| AM486DX4 (NV8T) | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| AM486DX4(NV8B) | Open | 2 & 3 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| 80486DX4 (5v) | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| 80486DX4 (3.45v) | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| P24D | Open | 2 & 3 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| P24T | Open | Open | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| CX M1SC | Open | 2 & 3 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| AM X5-150 | Open | 2 & 3 | 1 & 2 | 2 & 3 |
|-------------------------+--------+--------+--------+-------|
| AM X5-133/160 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED |
|------------------------------------------------------------|
| Setting | JP14 | JP15 | JP21 | JP22 |
|---------+-------------------+------------+--------+--------|
| 25MHz | Pins 1 & 2 closed | Pins 1 & 2 | Open | Open |
| | | closed | | |
|---------+-------------------+------------+--------+--------|
| 33MHz | Pins 1 & 2 closed | Pins 1 & 2 | Closed | Closed |
| | | closed | | |
|---------+-------------------+------------+--------+--------|
| 40MHz | Pins 1 & 2 closed | Pins 1 & 2 | Closed | Open |
| | | closed | | |
|---------+-------------------+------------+--------+--------|
| 50iMHz | Pins 1 & 2 closed | Pins 1 & 2 | Open | Open |
| | | closed | | |
|---------+-------------------+------------+--------+--------|
| 50MHz | Pins 2 & 3 closed | Pins 1 & 2 | Open | Closed |
| | | closed | | |
|---------+-------------------+------------+--------+--------|
| 63iMHz | Pins 1 & 2 closed | Pins 1 & 2 | Open | Open |
| | | closed | | |
|---------+-------------------+------------+--------+--------|
| 66iMHz | Pins 1 & 2 closed | Pins 1 & 2 | Closed | Closed |
| | | closed | | |
|---------+-------------------+------------+--------+--------|
| 75iMHz | Pins 1 & 2 closed | Pins 1 & 2 | Open | Open |
| | | closed | | |
|---------+-------------------+------------+--------+--------|
| 80iMHz | Pins 1 & 2 closed | Pins 1 & 2 | Closed | Open |
| | | closed | | |
|---------+-------------------+------------+--------+--------|
| 83iMHz | Pins 1 & 2 closed | Pins 1 & 2 | Closed | Closed |
| | | closed | | |
|---------+-------------------+------------+--------+--------|
| 100iMHz | Pins 1 & 2 closed | Pins 1 & 2 | Closed | Closed |
| | | closed | | |
|---------+-------------------+------------+--------+--------|
| 120iMHz | Pins 1 & 2 closed | Pins 1 & 2 | Closed | Open |
| | | closed | | |
|---------+-------------------+------------+--------+--------|
| 133iMHz | Pins 1 & 2 closed | Pins 1 & 2 | Closed | Closed |
| | | closed | | |
|---------+-------------------+------------+--------+--------|
| 150iMHz | Pins 2 & 3 closed | Pins 1 & 2 | Open | Closed |
| | | closed | | |
|---------+-------------------+------------+--------+--------|
| 160iMHz | Pins 1 & 2 closed | Pins 1 & 2 | Closed | Open |
| | | closed | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA |
|------------------------------------------------------------|
| Setting | JP49 | JP50 |
|------------------+--------------------+--------------------|
| None | Open | Open |
|------------------+--------------------+--------------------|
| DMA1 | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| DMA3 | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+