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# ROBOTECH, INC.
COBRA-XL
Processor 80486SX/80486SX2/80487SX/80486DX/SL80486DX/AM486DX2/CX486DX2/
AM486DXL2/ODP486DX2/SL80486DX2/80486DX2/U5S/U5SD/SL-AM486DX4/
AM486DX4/CX486DX4/ODP486DX4/80486DX4/Pentium Overdrive
Processor 25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set SIS
Max. 128MB
Onboard
DRAM
Cache 128/256/512/1024KB
BIOS AMI
Dimensions 330mm x 218mm
I/O 32-bit PCI slots (3), floppy drive interface, game port, green
Options PC connector, IDE interfaces (2), parallel port, serial ports
(2)
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| IDE interface | CN1 | Reset switch | J2 |
|-------------------+----------+------------------+----------|
| IDE interface | CN2 | Green PC | J3 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Game port | CN3 | Turbo LED | J4 |
|-------------------+----------+------------------+----------|
| Parallel port | CN4 | Green PC | J5 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN5 | Turbo switch | J6 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN6 | Power LED & | J7 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN7 | External battery | J8 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Speaker | J1 | 32-bit PCI slots | PC1 - |
| | | | PC3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Factory configured - do not | JC5 | Open |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JC7 | Open |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP1 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP8 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | STP.CLK enabled | JP6 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | SMI OUT enabled | JP6 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | BIOS type select normal mode | jp16 | pins 2 & 3, |
| | | | 4 & 5 closed |
|---+--------------------------------+--------+--------------|
| | BIOS type select update mode | jp16 | pins 1 & 2, |
| | | | 5 & 6 closed |
|---+--------------------------------+--------+--------------|
| » | CMOS memory normal operation | JP17 | Open |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | JP17 | Closed |
|---+--------------------------------+--------+--------------|
| » | On board battery enabled | JP18 | Closed |
|---+--------------------------------+--------+--------------|
| | On board battery disabled | JP18 | Open |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP19 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | COM1 enabled | JP20 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | COM1 disabled | JP20 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | COM2 enabled | JP22 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | COM2 disabled | JP22 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Parallel port IRQ select IRQ7 | JP30 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Parallel port IRQ select IRQ5 | JP30 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Floppy drive interface enabled | JP32 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Floppy drive interface | JP32 | pins 2 & 3 |
| | disabled | | closed |
|---+--------------------------------+--------+--------------|
| » | Game port enabled | JP35 | Closed |
|---+--------------------------------+--------+--------------|
| | Game port disabled | JP35 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (1) 256K x | NONE | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | NONE | NONE |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 512K x | NONE | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 3MB | (1) 256K x | (1) 256K x | (1) 256K x | NONE |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 3MB | (1) 512K x | (1) 256K x | NONE | NONE |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 512K 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 | |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 512K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 256K x | (1) 1M x 36 | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 1M x 36 | (1) 256K x | NONE | NONE |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 1M x 36 | (1) 256K x | NONE | NONE |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 512K x | (1) 512K x | (1) 512K x | NONE |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 7MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 7MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 512K x | (1) 512K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 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 | | | |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 2M x 36 | (1) 256K x | NONE | NONE |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 2M x 36 | (1) 256K x | (1) 256K x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 11MB | (1) 2M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 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 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 2M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 13MB | (1) 256K x | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | 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 | | | |
|------+-------------+-------------+------------+------------|
| 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 |
|------+-------------+-------------+------------+------------|
| 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 |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 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) 4M x 36 | NONE | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 25MB | (1) 256K x | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 8M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 2M x 36 | (1) 2M x | 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 | | | |
|------+-------------+-------------+------------+------------|
| 33MB | (1) 8M x 36 | (1) 256K x | NONE | NONE |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 8M x 36 | (1) 256K x | (1) 256K x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 35MB | (1) 8M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 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 |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 8M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 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 |
|------+-------------+-------------+------------+------------|
| 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 |
|------+-------------+-------------+------------+------------|
| 44MB | (1) 8M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 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 |
|------+-------------+-------------+------------+------------|
| 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 |
|------+-------------+-------------+------------+------------|
| 49MB | (1) 256K 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 |
|------+-------------+-------------+------------+------------|
| 56MB | (1) 8M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 16M x | NONE | NONE | NONE |
| | 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 |
|------+-------------+-------------+------------+------------|
| 65MB | (1) 256K x | (1) 8M x 36 | (1) 8M x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 65MB | (1) 256K x | (1) 16M x | NONE | 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 | |
|------+-------------+-------------+------------+------------|
| 67MB | (1) 16M x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 8M x 36 | (1) 8M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 16M x | NONE | NONE |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 68MB | (1) 16M x | (1) 1M x 36 | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 72MB | (1) 2M x 36 | (1) 8M x 36 | (1) 8M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 72MB | (1) 2M x 36 | (1) 16M x | NONE | NONE |
| | | 36 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 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 | | |
|-------+-------------+------------+------------+------------|
| 76MB | (1) 16M x | (1) 1M x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4M x 36 | (1) 16M x | NONE | NONE |
| | | 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 |
|-------+-------------+------------+------------+------------|
| 88MB | (1) 16M x | (1) 2M x | (1) 2M x | (1) 2M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M 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 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 16M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 97MB | (1) 256K x | (1) 8M x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 100MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 104MB | (1) 2M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 112MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 112MB | (1) 16M x | (1) 4M x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | (1) 8M x | (1) 8M x | NONE |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | (1) 16M x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 16K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 64K x 8 | NONE | (1) 16K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 1MB | (4) 128K x 8 | (4) 128K x 8 | (1) 64K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP9 | JP10 | JP11 | JP12 | JP13 |
|---------+---------+---------+-------+-------+--------------|
| 128KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 |
|---------+---------+---------+-------+-------+--------------|
| 256KB | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3, 4 & 5 |
|---------+---------+---------+-------+-------+--------------|
| 256KB | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 |
|---------+---------+---------+-------+-------+--------------|
| 512KB | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 |
|---------+---------+---------+-------+-------+--------------|
| 512KB | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3, 4 & 5 |
|---------+---------+---------+-------+-------+--------------|
| 1MB | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3, 4 & 5 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JC1 | JC2 | JC3 | JC4 | JC6 |
|-----------------+-------+-------+----------+-------+-------|
| 80486SX | 2 & 3 | N/A | 3 & 4 | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| 80486SX2 | 2 & 3 | N/A | 3 & 4 | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| 80487SX | 2 & 3 | N/A | 3 & 4 | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| 80486DX | 2 & 3 | N/A | N/A | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| SL80486DX | 2 & 3 | N/A | 3 & 4 | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| AM486DX2 | 2 & 3 | N/A | N/A | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| CX486DX2 | 2 & 3 | N/A | 2 & 3 | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| AM486DXL2 | 2 & 3 | N/A | N/A | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| ODP486DX2 | 2 & 3 | N/A | 3 & 4 | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| SL80486DX2 | 2 & 3 | N/A | 3 & 4 | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| 80486DX2 | 2 & 3 | N/A | N/A | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| U5S | 2 & 3 | N/A | N/A | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| U5SD | 2 & 3 | N/A | N/A | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| SL AM486DX4 | 2 & 3 | N/A | 1 & 2, 3 | N/A | 4 & 5 |
| | | | & 4 | | |
|-----------------+-------+-------+----------+-------+-------|
| AM486DX4 | 2 & 3 | N/A | N/A | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| CX486DX4 | 1 & 2 | 1 & 2 | 1 & 2, 3 | N/A | 2 & 3 |
| | | | & 4 | | |
|-----------------+-------+-------+----------+-------+-------|
| ODP486DX4 | 2 & 3 | N/A | 3 & 4 | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| 80486DX4 | 2 & 3 | N/A | 3 & 4 | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| Pentium | 2 & 3 | N/A | 3 & 4 | 1 & 2 | N/A |
| Overdrive | | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JC8 | JC9 | JC10 | JC11 | JC12 |
|-----------------+-------+-------+----------+-------+-------|
| 80486SX | N/A | 2 & 3 | 3 & 4 | 4 & 5 | 1 & 2 |
|-----------------+-------+-------+----------+-------+-------|
| 80486SX2 | N/A | 2 & 3 | 3 & 4 | 4 & 5 | 1 & 2 |
|-----------------+-------+-------+----------+-------+-------|
| 80487SX | N/A | 2 & 3 | 2 & 3 | 4 & 5 | 1 & 2 |
|-----------------+-------+-------+----------+-------+-------|
| 80486DX | N/A | N/A | 3 & 4 | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| SL80486DX | N/A | 2 & 3 | 3 & 4 | 4 & 5 | 1 & 2 |
|-----------------+-------+-------+----------+-------+-------|
| AM486DX2 | N/A | N/A | 3 & 4 | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| CX486DX2 | 2 & 3 | 1 & 2 | 3 & 4 | 2 & 3 | 1 & 2 |
|-----------------+-------+-------+----------+-------+-------|
| AM486DXL2 | 3 & 4 | 4 & 5 | 1 & 2, 3 | N/A | 1 & 2 |
| | | | & 4 | | |
|-----------------+-------+-------+----------+-------+-------|
| ODP486DX2 | N/A | 2 & 3 | 3 & 4 | 4 & 5 | 1 & 2 |
|-----------------+-------+-------+----------+-------+-------|
| SL80486DX2 | N/A | 2 & 3 | 3 & 4 | 4 & 5 | 1 & 2 |
|-----------------+-------+-------+----------+-------+-------|
| 80486DX2 | N/A | N/A | 3 & 4 | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| U5S | 3 & 4 | N/A | 1 & 2 | N/A | 1 & 2 |
|-----------------+-------+-------+----------+-------+-------|
| U5SD | 3 & 4 | N/A | 1 & 2 | N/A | 1 & 2 |
|-----------------+-------+-------+----------+-------+-------|
| SL AM486DX4 | N/A | 2 & 3 | 3 & 4 | 4 & 5 | 1 & 2 |
|-----------------+-------+-------+----------+-------+-------|
| AM486DX4 | N/A | N/A | 3 & 4 | N/A | N/A |
|-----------------+-------+-------+----------+-------+-------|
| CX486DX4 | N/A | 2 & 3 | 3 & 4 | 2 & 3 | 1 & 2 |
|-----------------+-------+-------+----------+-------+-------|
| ODP486DX4 | N/A | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 |
|-----------------+-------+-------+----------+-------+-------|
| 80486DX4 | N/A | 2 & 3 | 3 & 4 | 4 & 5 | 1 & 2 |
|-----------------+-------+-------+----------+-------+-------|
| Pentium | N/A | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 |
| Overdrive | | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JC13 | JC14 | JC15 | Q5 |
|----------------+--------------+-------+-------+------------|
| 80486SX | 2 & 3 | N/A | N/A | 2 & 3, 5 & |
| | | | | 6 |
|----------------+--------------+-------+-------+------------|
| 80486SX2 | 2 & 3 | N/A | N/A | 2 & 3, 5 & |
| | | | | 6 |
|----------------+--------------+-------+-------+------------|
| 80487SX | 1 & 2, 3 & 4 | N/A | N/A | 2 & 3, 5 & |
| | | | | 6 |
|----------------+--------------+-------+-------+------------|
| 80486DX | 1 & 2, 3 & 4 | N/A | N/A | 2 & 3, 5 & |
| | | | | 6 |
|----------------+--------------+-------+-------+------------|
| SL80486DX | 1 & 2, 3 & 4 | N/A | N/A | 2 & 3, 5 & |
| | | | | 6 |
|----------------+--------------+-------+-------+------------|
| AM486DX2 | 1 & 2, 3 & 4 | N/A | N/A | 2 & 3, 5 & |
| | | | | 6 |
|----------------+--------------+-------+-------+------------|
| CX486DX2 | 1 & 2, 3 & 4 | 2 & 3 | N/A | 2 & 3, 5 & |
| | | | | 6 |
|----------------+--------------+-------+-------+------------|
| AM486DXL2 | 1 & 2, 3 & 4 | N/A | 2 & 3 | 2 & 3, 5 & |
| | | | | 6 |
|----------------+--------------+-------+-------+------------|
| ODP486DX2 | 1 & 2, 3 & 4 | N/A | N/A | 2 & 3, 5 & |
| | | | | 6 |
|----------------+--------------+-------+-------+------------|
| SL80486DX2 | 1 & 2, 3 & 4 | N/A | N/A | 2 & 3, 5 & |
| | | | | 6 |
|----------------+--------------+-------+-------+------------|
| 80486DX2 | 1 & 2, 3 & 4 | N/A | N/A | 2 & 3, 5 & |
| | | | | 6 |
|----------------+--------------+-------+-------+------------|
| U5S | 2 & 3 | N/A | N/A | 2 & 3, 5 & |
| | | | | 6 |
|----------------+--------------+-------+-------+------------|
| U5SD | 3 & 4 | N/A | N/A | 2 & 3, 5 & |
| | | | | 6 |
|----------------+--------------+-------+-------+------------|
| SL AM486DX4 | 1 & 2, 3 & 4 | 1 & 2 | N/A | N/A |
|----------------+--------------+-------+-------+------------|
| AM486DX4 | 1 & 2, 3 & 4 | N/A | N/A | N/A |
|----------------+--------------+-------+-------+------------|
| CX486DX4 | 1 & 2, 3 & 4 | 1 & 2 | N/A | N/A |
|----------------+--------------+-------+-------+------------|
| ODP486DX4 | 1 & 2, 3 & 4 | N/A | N/A | N/A |
|----------------+--------------+-------+-------+------------|
| 80486DX4 | 1 & 2, 3 & 4 | N/A | N/A | N/A |
|----------------+--------------+-------+-------+------------|
| Pentium | 1 & 2, 3 & 4 | N/A | N/A | 2 & 3, 5 & |
| Overdrive | | | | 6 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP3 | JP4 | JP5 |
|---------------+---------------+---------------+------------|
| 25MHz | Open | Open | Open |
|---------------+---------------+---------------+------------|
| 33MHz | Closed | Closed | Open |
|---------------+---------------+---------------+------------|
| 40MHz | Open | Closed | Open |
|---------------+---------------+---------------+------------|
| 50iMHz | Open | Open | Open |
|---------------+---------------+---------------+------------|
| 66iMHz | Closed | Closed | Open |
|---------------+---------------+---------------+------------|
| 75iMHz | Open | Open | Open |
|---------------+---------------+---------------+------------|
| 100iMHz | Closed | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP24 | JP25 | JP29 | JP31 |
|-----------+---------------+------------+------------+------|
| Printer | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | N/A |
| | closed | closed | closed | |
|-----------+---------------+------------+------------+------|
| EPP mode | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | Open |
| | closed | closed | closed | |
|-----------+---------------+------------+------------+------|
| ECP/EPP | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | Open |
| | closed | closed | closed | |
|-----------+---------------+------------+------------+------|
| EXT, two | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | Open |
| FDD | closed | closed | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CONFIGURATION |
|------------------------------------------------------------|
| DMA | JP26 | JP27 |
|------------------+--------------------+--------------------|
| DMA 3 | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| DMA 1 | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+