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# ELITEGROUP COMPUTER SYSTEMS, INC.
UM8810P-AIO (V.2.1)
Processor CX486S/80486SX/SL80486SX/SL80486SX2/80487SX/UMCU5S/ UMCU5SD/CX486DX/AM486DX/80486DX/SL80486DX(WT)/AM486DX2/
80486DX2/SL80486DX2(WB)/SL80486DX2(WT)/ODPR486DX2/CX486DX2/AM486DX4/AM486DX4/80486DX4(WB)/80486DX4(WT)/ODPR486DX4/
P24T
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set UMC
Maximum 128MB
Onboard
Memory
Cache 128/256/512KB
BIOS Phoenix
Dimensions 330mm x 220mm
I/O 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse
Options interface, serial ports (2)
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------+----------+------------------+-----------|
| Serial port 2 | J1 | Turbo switch | J11 pins |
| | | | 6 & 7 |
|------------------+----------+------------------+-----------|
| Serial port 1 | J2 | Reset switch | J11 pins |
| | | | 9 & 10 |
|------------------+----------+------------------+-----------|
| Parallel port | J3 | Power LED & | J11 pins |
| | | keylock | 11 - 15 |
|------------------+----------+------------------+-----------|
| IDE interface 1 | J7 | Speaker | J11 pins |
| | | | 17 - 20 |
|------------------+----------+------------------+-----------|
| IDE interface 2 | J8 | IDE interface | J12 |
| | | LED | |
|------------------+----------+------------------+-----------|
| Floppy drive | J9 | PS/2 mouse | J19 |
| interface | | interface | |
|------------------+----------+------------------+-----------|
| Turbo LED | J11 pins | 32-bit PCI slots | PC1 - PC3 |
| | 2 & 3 | | |
|------------------+----------+------------------+-----------|
| Green PC | J11 pins | | |
| connector | 4 & 5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------+-------+-----------------|
| | BIOS type select EPROM | JP6 | Open |
|---+------------------------------+-------+-----------------|
| | BIOS type select 5v flash | JP6 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | BIOS type select 12v flash | JP6 | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| » | On board I/O enabled | JP8 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | On board I/O disabled | JP8 | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | IDE interface enabled | JP12 | Open |
|---+------------------------------+-------+-----------------|
| | IDE interface disabled | JP12 | Closed |
|---+------------------------------+-------+-----------------|
| » | CMOS memory normal operation | JP30 | Open |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | JP30 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 256K x | (1) 256K x | (1) 256K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 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 |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 512K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 512K x | (1) 512K x | (1) 256K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 512K x | (1) 512K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 512K x | (1) 512K x | (1) 512K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 256K x | (1) 256K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 256K x | (1) 256K x | (1) 1M x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 512K x | (1) 512K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 512K x | (1) 512K x | (1) 1M x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 1M x 36 | (1) 1M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 1M x 36 | (1) 1M x 36 | (1) 512K x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 256K x | (1) 256K x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 512K x | (1) 512K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 12MB | (1) 512K x | (1) 512K x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 4M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 17MB | (1) 1M x 36 | (1) 1M x | (1) 256K x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 18MB | (1) 256K x | (1) 256K x | (1) 4M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 20MB | (1) 512K x | (1) 512K x | (1) 4M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 8M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 33MB | (1) 4M x 36 | (1) 4M x | (1) 256K x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 34MB | (1) 4M x 36 | (1) 4M x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 34MB | (1) 4M x 36 | (1) 4M x | (1) 512K x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 34MB | (1) 256K x | (1) 256K x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 34MB | (1) 256K x | (1) 256K x | (1) 8M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 4M x 36 | (1) 4M x | (1) 512K x | (1) 512K x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 4M x 36 | (1) 4M x | (1) 1M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 512K x | (1) 512K x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 512K x | (1) 512K x | (1) 8M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 4M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 65MB | (1) 8M x 36 | (1) 8M x | (1) 256K x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 66MB | (1) 8M x 36 | (1) 8M x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 66MB | (1) 8M x 36 | (1) 8M x | (1) 512K x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 66MB | (1) 256K x | (1) 256K x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 8M x 36 | (1) 8M x | (1) 512K x | (1) 512K x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 8M x 36 | (1) 8M x | (1) 1M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 8M x 36 | (1) 8M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 70MB | (1) 512K x | (1) 512K x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 8M x 36 | (1) 8M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE SIZE |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-------------+---------------+---------------+--------------|
| 128KB | (4) 32K x 8 | None | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 512KB (A) | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 512KB (B) | (4) 128K x 8 | None | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER |
|------------------------------------------------------------|
| Size | JP13 | JP14 | JP16 | JP33 | JP35 |
|------------+---------+---------+---------+--------+--------|
| 128KB | Open | 1 & 2 | 2 & 3 | Open | Open |
|------------+---------+---------+---------+--------+--------|
| 256KB | Open | 2 & 3 | 1 & 2 | Open | Closed |
|------------+---------+---------+---------+--------+--------|
| 512KB (A) | Open | 2 & 3 | 1 & 2 | Closed | Closed |
|------------+---------+---------+---------+--------+--------|
| 512KB (B) | 1 & 2 | 2 & 3 | 2 & 3 | Closed | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE |
|------------------------------------------------------------|
| Setting | JP18 | JP19 | JP20 | JP21 | JP22 |
|---------------+--------+--------+--------+--------+--------|
| cx486s | Open | Closed | 2 & 3 | Open | 2 & 3 |
|---------------+--------+--------+--------+--------+--------|
| 80486SX | Open | Open | 2 & 3 | Open | Open |
|---------------+--------+--------+--------+--------+--------|
| SL80486SX | Open | Open | 2 & 3 | Open | 1 & 2 |
|---------------+--------+--------+--------+--------+--------|
| SL80486SX2 | Open | Open | 2 & 3 | Open | 1 & 2 |
|---------------+--------+--------+--------+--------+--------|
| 80487SX | Open | Open | 1 & 2, | 2 & 3 | Open |
| | | | 3 & 4 | | |
|---------------+--------+--------+--------+--------+--------|
| UMC U5S | Open | Open | 2 & 3 | 1 & 2, | Open |
| | | | | 3 & 4 | |
|---------------+--------+--------+--------+--------+--------|
| UMC U5SD | Open | Open | 1 & 2, | 1 & 2, | Open |
| | | | 3 & 4 | 3 & 4 | |
|---------------+--------+--------+--------+--------+--------|
| CX486DX | Open | Closed | 1 & 2, | 1 & 2 | 2 & 3 |
| | | | 3 & 4 | | |
|---------------+--------+--------+--------+--------+--------|
| AM486DX | Open | Open | 1 & 2, | 1 & 2 | Open |
| | | | 3 & 4 | | |
|---------------+--------+--------+--------+--------+--------|
| 80486DX | Open | Open | 1 & 2, | 1 & 2 | Open |
| | | | 3 & 4 | | |
|---------------+--------+--------+--------+--------+--------|
| SL80486DX | Open | Open | 1 & 2, | 1 & 2 | 1 & 2 |
| (WT) | | | 3 & 4 | | |
|---------------+--------+--------+--------+--------+--------|
| AM486DX2 | Open | Open | 1 & 2, | 1 & 2 | Open |
| | | | 3 & 4 | | |
|---------------+--------+--------+--------+--------+--------|
| AM486DX2 | Closed | Open | 1 & 2, | 1 & 2 | 1 & 2, |
| (SV8B) | | | 3 & 4 | | 3 & 4 |
|---------------+--------+--------+--------+--------+--------|
| 80486DX2 | Open | Open | 1 & 2, | 1 & 2 | Open |
| | | | 3 & 4 | | |
|---------------+--------+--------+--------+--------+--------|
| SL80486DX2 | Closed | Open | 1 & 2, | 1 & 2 | 1 & 2, |
| (WB) | | | 3 & 4 | | 3 & 4 |
|---------------+--------+--------+--------+--------+--------|
| SL80486DX2 | Open | Open | 1 & 2, | 1 & 2 | 1 & 2 |
| (WT) | | | 3 & 4 | | |
|---------------+--------+--------+--------+--------+--------|
| ODPR486DX2 | Open | Open | 1 & 2, | 1 & 2 | 1 & 2 |
| | | | 3 & 4 | | |
|---------------+--------+--------+--------+--------+--------|
| CX486DX2 | Open | Closed | 1 & 2, | 1 & 2 | 2 & 3 |
| | | | 3 & 4 | | |
|---------------+--------+--------+--------+--------+--------|
| AM486DX4 | Open | Open | 1 & 2, | 1 & 2 | Open |
| | | | 3 & 4 | | |
|---------------+--------+--------+--------+--------+--------|
| AM486DX4 | Closed | Open | 1 & 2, | 1 & 2 | 1 & 2, |
| (SV8B) | | | 3 & 4 | | 3 & 4 |
|---------------+--------+--------+--------+--------+--------|
| 80486DX4 (WB) | Closed | Open | 1 & 2, | 1 & 2 | 1 & 2, |
| | | | 3 & 4 | | 3 & 4 |
|---------------+--------+--------+--------+--------+--------|
| 80486DX4 (WT) | Open | Open | 1 & 2, | 1 & 2 | 1 & 2 |
| | | | 3 & 4 | | |
|---------------+--------+--------+--------+--------+--------|
| ODPR486DX4 | Open | Open | 1 & 2, | 1 & 2 | 1 & 2 |
| | | | 3 & 4 | | |
|---------------+--------+--------+--------+--------+--------|
| P24T | Open | Open | 1 & 2, | 2 & 3 | 1 & 2 |
| | | | 3 & 4 | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE (CON’T) |
|------------------------------------------------------------|
| Setting | JP23 | JP24 | JP27 | JP28 |
|------------+-------------+------------+--------+-----------|
| cx486s | Pins 2 & 3 | Pins 2 & 3 | 1 & 2, | Pins 2 & |
| | closed | closed | 3 & 4 | 3 closed |
|------------+-------------+------------+--------+-----------|
| 80486SX | Open | Pins 1 & 2 | Open | Open |
| | | closed | | |
|------------+-------------+------------+--------+-----------|
| SL80486SX | Open | Pins 2 & 3 | 2 & 3, | Open |
| | | closed | 4 & 5 | |
|------------+-------------+------------+--------+-----------|
| SL80486SX2 | Open | Pins 2 & 3 | 2 & 3, | Open |
| | | closed | 4 & 5 | |
|------------+-------------+------------+--------+-----------|
| 80487SX | Open | Pins 1 & 2 | Open | Open |
| | | closed | | |
|------------+-------------+------------+--------+-----------|
| UMC U5S | Open | Pins 1 & 2 | Open | Pins 3 & |
| | | closed | | 4 closed |
|------------+-------------+------------+--------+-----------|
| UMC U5SD | Open | Pins 1 & 2 | Open | Pins 3 & |
| | | closed | | 4 closed |
|------------+-------------+------------+--------+-----------|
| CX486DX | Pins 2 & 3 | Pins 2 & 3 | 1 & 2, | Pins 2 & |
| | closed | closed | 3 & 4 | 3 closed |
|------------+-------------+------------+--------+-----------|
| AM486DX | Open | Pins 1 & 2 | Open | Open |
| | | closed | | |
|------------+-------------+------------+--------+-----------|
| 80486DX | Open | Pins 1 & 2 | Open | Open |
| | | closed | | |
|------------+-------------+------------+--------+-----------|
| SL80486DX | Open | Pins 2 & 3 | 2 & 3, | Open |
| (WT) | | closed | 4 & 5 | |
|------------+-------------+------------+--------+-----------|
| AM486DX2 | Open | Pins 1 & 2 | Open | Open |
| | | closed | | |
|------------+-------------+------------+--------+-----------|
| AM486DX2 | Open | Pins 2 & 3 | 2 & 3, | Open |
| (SV8B) | | closed | 4 & 5 | |
|------------+-------------+------------+--------+-----------|
| 80486DX2 | Open | Pins 1 & 2 | Open | Open |
| | | closed | | |
|------------+-------------+------------+--------+-----------|
| SL80486DX2 | Open | Pins 2 & 3 | 2 & 3, | Open |
| (WB) | | closed | 4 & 5 | |
|------------+-------------+------------+--------+-----------|
| SL80486DX2 | Open | Pins 2 & 3 | 2 & 3, | Open |
| (WT) | | closed | 4 & 5 | |
|------------+-------------+------------+--------+-----------|
| ODPR486DX2 | Open | Pins 2 & 3 | 2 & 3, | Open |
| | | closed | 4 & 5 | |
|------------+-------------+------------+--------+-----------|
| CX486DX2 | Pins 2 & 3 | Pins 2 & 3 | 1 & 2, | Pins 2 & |
| | closed | closed | 3 & 4 | 3 closed |
|------------+-------------+------------+--------+-----------|
| AM486DX4 | Open | Pins 1 & 2 | Open | Open |
| | | closed | | |
|------------+-------------+------------+--------+-----------|
| AM486DX4 | Open | Pins 2 & 3 | 2 & 3, | Open |
| (SV8B) | | closed | 4 & 5 | |
|------------+-------------+------------+--------+-----------|
| 80486DX4 | Open | Pins 2 & 3 | 2 & 3, | Open |
| (WB) | | closed | 4 & 5 | |
|------------+-------------+------------+--------+-----------|
| 80486DX4 | Open | Pins 2 & 3 | 2 & 3, | Open |
| (WT) | | closed | 4 & 5 | |
|------------+-------------+------------+--------+-----------|
| ODPR486DX4 | Open | Pins 2 & 3 | 2 & 3, | Open |
| | | closed | 4 & 5 | |
|------------+-------------+------------+--------+-----------|
| P24T | Pins 1 & 2 | Pins 2 & 3 | 2 & 3, | Pins 1 & |
| | closed | closed | 4 & 5 | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE (CON’T) |
|------------------------------------------------------------|
| Setting | JP36 | JP37 | JP38 | JP44 |
|------------+------------+------------+------------+--------|
| cx486s | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 | Open |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| 80486SX | Open | Pins 1 & 2 | Pins 1 & 2 | Open |
| | | closed | closed | |
|------------+------------+------------+------------+--------|
| SL80486SX | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Open |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| SL80486SX2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Open |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| 80487SX | Open | Pins 1 & 2 | Pins 1 & 2 | Open |
| | | closed | closed | |
|------------+------------+------------+------------+--------|
| UMC U5S | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 | Open |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| UMC U5SD | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 | Open |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| CX486DX | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 | Open |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| AM486DX | Open | Pins 1 & 2 | Pins 1 & 2 | Open |
| | | closed | closed | |
|------------+------------+------------+------------+--------|
| 80486DX | Open | Pins 1 & 2 | Pins 1 & 2 | Open |
| | | closed | closed | |
|------------+------------+------------+------------+--------|
| SL80486DX | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Open |
| (WT) | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| AM486DX2 | Open | Pins 1 & 2 | Pins 1 & 2 | Open |
| | | closed | closed | |
|------------+------------+------------+------------+--------|
| AM486DX2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Open |
| (SV8B) | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| 80486DX2 | Open | Pins 1 & 2 | Pins 1 & 2 | Open |
| | | closed | closed | |
|------------+------------+------------+------------+--------|
| SL80486DX2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Open |
| (WB) | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| SL80486DX2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Open |
| (WT) | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| ODPR486DX2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Open |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| CX486DX2 | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 | Open |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| AM486DX4 | Open | Pins 1 & 2 | Pins 1 & 2 | Open |
| | | closed | closed | |
|------------+------------+------------+------------+--------|
| AM486DX4 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Open |
| (SV8B) | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| 80486DX4 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Open |
| (WB) | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| 80486DX4 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Open |
| (WT) | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| ODPR486DX4 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Open |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| P24T | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Closed |
| | closed | closed | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED |
|------------------------------------------------------------|
| Setting | JP17 |
|--------------------------+---------------------------------|
| 25MHz | Pins 1 & 2 closed |
|--------------------------+---------------------------------|
| 33MHz | Pins 1 & 2, 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 40MHz | Pins 1 & 2, 3 & 4 closed |
|--------------------------+---------------------------------|
| 50iMHz | Pins 1 & 2 closed |
|--------------------------+---------------------------------|
| 50MHz | Pins 5 & 6 closed |
|--------------------------+---------------------------------|
| 66iMHz | Pins 1 & 2, 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 75iMHz | Pins 1 & 2 closed |
|--------------------------+---------------------------------|
| 100iMHz | Pins 1 & 2, 3 & 4, 5 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU MULTIPLIER (AMD NV8T ONLY) |
|------------------------------------------------------------|
| Setting | JP25 |
|----------------------------+-------------------------------|
| 2x | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 3x | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU MULTIPLIER (AMD SV8B /INTEL ONLY) |
|------------------------------------------------------------|
| Setting | JP29 |
|-------------------------------+----------------------------|
| 2x | Closed |
|-------------------------------+----------------------------|
| 3x | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE |
|------------------------------------------------------------|
| Setting | JP10 |
|---------+--------------------------------------------------|
| 3.3v | VR-100/VR-102 installed |
|---------+--------------------------------------------------|
| 3.45v | VR-100/VR-102 installed |
|---------+--------------------------------------------------|
| 3.6v | VR-100/VR-102 installed |
|---------+--------------------------------------------------|
| 4v | VR-100/VR-102 installed |
|---------+--------------------------------------------------|
| 5v | 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11& 12, 13 & |
| | 14, 15 & 16, 17 & 18, 19 & 20 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL |
|------------------------------------------------------------|
| Setting | JP4 | JP5 |
|------------------+--------------------+--------------------|
| | DMA1 | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| » | DMA3 | Pins 1 & 2 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+