TEXT View Source
# ABIT COMPUTER CORPORATION
PM4T (REV. 1.0)
Processor 80486SX/SL80486SX/AM486DX/CX486DX/80486DX/SL80486DX/CX486DX2/
CX486DX2V/AM486DX2/(SL)AM486DX2/80486DX2/SL80486DX2/AM486DX4/
80486DX4/P24D/Pentium Overdrive
Processor 25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/100(internal)MHz
Speed
Chip Set Unidentified
Max. 256MB
Onboard
DRAM
Cache 128/256KB
BIOS Award
Dimensions 330mm x 218mm
I/O 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE
Options interfaces (2), parallel port, PS/2 mouse port, serial ports (2)
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN1 | Speaker | JW2 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN2 | Turbo LED | JW3 |
|-------------------+----------+------------------+----------|
| Parallel port | CN3 | Turbo switch | JW4 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN4 | Reset switch | JW5 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Serial port 1 | J3 | IDE interface | JW6 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Serial port 2 | J4 | IDE interface | JW7 |
| | | LED | |
|-------------------+----------+------------------+----------|
| External battery | JP42 | PS/2 mouse port | MS1 |
|-------------------+----------+------------------+----------|
| Green PC | JP43 | 32-bit PCI slots | PC1 - |
| connector | | | PC4 |
|-------------------+----------+------------------+----------|
| Power LED & | JW1 | | |
| keylock | | | |
|------------------------------------------------------------|
| Note: The location of JP42 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Factory configured - do not | JP1 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | CPU type select non 5v CPU | JP18 | pins 3 & 5, |
| | | | 4 & 6 closed |
|---+--------------------------------+--------+--------------|
| | CPU type select 5v CPU | JP18 | pins 1 & 3, |
| | | | 2 & 4 closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP23 | Open |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP25 | Open |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP27 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP30 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP31 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP33 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | CMOS memory normal operation | JP37 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | JP37 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP51 | Open |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 512K x | (1) 256K x | NONE | NONE |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 3MB | (1) 256K x | (1) 256K x | (1) 256K x | NONE |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 512K x | (1) 256K x | (1) 256K x | NONE |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 512K x | (1) 512K x | NONE | NONE |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 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 |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 512K x | (1) 1M x 36 | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 512K x | (1) 512K x | (1) 512K x | NONE |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 7MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 512K x | (1) 512K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 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 | |
|------+-------------+-------------+------------+------------|
| 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) 1M x 36 | (1) 2M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 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 | |
|------+-------------+-------------+------------+------------|
| 14MB | (1) 512K x | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | NONE |
| | | | 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 |
|------+-------------+-------------+------------+------------|
| 17MB | (1) 4M x 36 | (1) 256K x | NONE | NONE |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | NONE |
| | | 36 | 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) 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) 2M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 4M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 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 | |
|------+-------------+-------------+------------+------------|
| 26MB | (1) 512K 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) 4M x 36 | (1) 2M x 36 | (1) 2M x | NONE |
| | | | 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 |
|------+-------------+-------------+------------+------------|
| 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 | |
|------+-------------+-------------+------------+------------|
| 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) 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) 2M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 2M x 36 | (1) 8M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 8M x 36 | (1) 1M x | (1) 1M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 8M x 36 | (1) 2M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 44MB | (1) 8M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 8M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 8M x 36 | (1) 2M x | (1) 2M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 8M x 36 | (1) 4M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 50MB | (1) 512K x | (1) 4M x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 52MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 56MB | (1) 2M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 56MB | (1) 8M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 4M x | (1) 4M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 16M x | NONE | NONE | NONE |
| | 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) 512K x | (1) 8M x | (1) 8M x | NONE |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 66MB | (1) 512K x | (1) 16M x | NONE | NONE |
| | 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 | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 16M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 16M x | (1) 1M x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 2M x 36 | (1) 8M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 2M x 36 | (1) 16M x | NONE | NONE |
| | | 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 | | |
|-------+-------------+------------+------------+------------|
| 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) 8M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 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 | | |
|-------+-------------+------------+------------+------------|
| 88MB | (1) 16M x | (1) 2M x | (1) 2M x | (1) 2M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 16M x | NONE | NONE |
| | | 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 | |
|-------+-------------+------------+------------+------------|
| 98MB | (1) 512K 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 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) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | (1) 16M x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 130MB | (1) 512K x | (1) 16M x | (1) 16M x | NONE |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 132MB | (1) 1M x 36 | (1) 16M x | (1) 16M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 136MB | (1) 2M x 36 | (1) 16M x | (1) 16M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 144MB | (1) 4M x 36 | (1) 16M x | (1) 16M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 160MB | (1) 8M x 36 | (1) 16M x | (1) 16M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 160MB | (1) 16M x | (1) 8M x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 192MB | (1) 16M x | (1) 16M x | (1) 16M x | NONE |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 194MB | (1) 512K x | (1) 16M x | (1) 16M x | (1) 16M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 196MB | (1) 1M x 36 | (1) 16M x | (1) 16M x | (1) 16M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 200MB | (1) 2M x 36 | (1) 16M x | (1) 16M x | (1) 16M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 208MB | (1) 4M x 36 | (1) 16M x | (1) 16M x | (1) 16M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 224MB | (1) 8M x 36 | (1) 16M x | (1) 16M x | (1) 16M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 256MB | (1) 16M x | (1) 16M x | (1) 16M x | (1) 16M x |
| | 36 | 36 | 36 | 36 |
|------------------------------------------------------------|
| Note: Board will accept x 32 SIMMs also. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-----------+-------------+-------------+--------------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K or (1) 16K |
| | | | x 8 |
|-----------+-------------+-------------+--------------------|
| 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | (1) 16K or (1) 32K |
| | | | x 8 |
|-----------+-------------+-------------+--------------------|
| 256KB (B) | (4) 64K x 8 | NONE | (1) 16K or (1) 32K |
| | | | x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP2 | JP3 | JP6 |
|-----------+----------------+---------------+---------------|
| 128KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|-----------+----------------+---------------+---------------|
| 256KB (A) | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|-----------+----------------+---------------+---------------|
| 256KB (B) | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | RN6 | RN10 | RN14 | RN16 |RN17|
|------------+----------+----------+----------+---------+----|
| 80486SX | Not | 1 - 8 | Not | Not |9 - |
| |installed | |installed |installed| 16 |
|------------+----------+----------+----------+---------+----|
| SL80486SX | Not | 1 - 8 | Not | Not |9 - |
| |installed | |installed |installed| 16 |
|------------+----------+----------+----------+---------+----|
| AM486DX | Not | 1 - 8 | 1 - 8 | Not |5 - |
| |installed | | |installed| 12 |
|------------+----------+----------+----------+---------+----|
| CX486DX | 1 - 8 | Not | 1 - 8 | Not |1 - |
| | |installed | |installed| 8 |
|------------+----------+----------+----------+---------+----|
| 80486DX | Not | 1 - 8 | 1 - 8 | Not |5 - |
| |installed | | |installed| 12 |
|------------+----------+----------+----------+---------+----|
| SL80486DX | Not | 1 - 8 | 1 - 8 | Not |5 - |
| |installed | | |installed| 12 |
|------------+----------+----------+----------+---------+----|
| CX486DX2 | 1 - 8 | Not | 1 - 8 | Not |1 - |
| | |installed | |installed| 8 |
|------------+----------+----------+----------+---------+----|
| CX486DX2V | 1 - 8 | Not | 1 - 8 | Not |1 - |
| | |installed | |installed| 8 |
|------------+----------+----------+----------+---------+----|
| AM486DX2 | Not | 1 - 8 | 1 - 8 | Not |5 - |
| |installed | | |installed| 12 |
|------------+----------+----------+----------+---------+----|
|(SL)AM486DX2| Not | 1 - 8 | 1 - 8 | Not |5 - |
| |installed | | |installed| 12 |
|------------+----------+----------+----------+---------+----|
| 80486DX2 | Not | 1 - 8 | 1 - 8 | Not |5 - |
| |installed | | |installed| 12 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | RN6 | RN10 | RN14 | RN16 | RN17 |
|----------+-------------+------+------+----------+----------|
|SL80486DX2|Not installed|1 - 8 |1 - 8 | Not | 5 - 12 |
| | | | |installed | |
|----------+-------------+------+------+----------+----------|
| AM486DX4 |Not installed|1 - 8 |1 - 8 | Not | 5 - 12 |
| | | | |installed | |
|----------+-------------+------+------+----------+----------|
| 80486DX4 |Not installed|1 - 8 |1 - 8 | Not | 5 - 12 |
| | | | |installed | |
|----------+-------------+------+------+----------+----------|
| P24D |Not installed|1 - 8 |1 - 8 | 1 - 8 | Not |
| | | | | |installed |
|----------+-------------+------+------+----------+----------|
| P24T |Not installed|3 - 10|3 - 10| 9 - 16 | Not |
| | | | | |installed |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP13 | JP24 | JP32 |
|--------------+------------------+-----------------+--------|
| 80486SX | Open | Open | Open |
|--------------+------------------+-----------------+--------|
| SL80486SX | Open | Open | Open |
|--------------+------------------+-----------------+--------|
| AM486DX | pins 1 & 2 | Open | Open |
| | closed | | |
|--------------+------------------+-----------------+--------|
| CX486DX | Open | Open | Open |
|--------------+------------------+-----------------+--------|
| 80486DX | Open | Open | Open |
|--------------+------------------+-----------------+--------|
| SL80486DX | Open | Open | Open |
|--------------+------------------+-----------------+--------|
| CX486DX2 | Open | Open | Open |
|--------------+------------------+-----------------+--------|
| CX486DX2V | Open | Open | Open |
|--------------+------------------+-----------------+--------|
| AM486DX2 | pins 1 & 2 | Open | Open |
| | closed | | |
|--------------+------------------+-----------------+--------|
| (SL)AM486DX2 | pins 1 & 2 | Open | Closed |
| | closed | | |
|--------------+------------------+-----------------+--------|
| 80486DX2 | Open | Open | Open |
|--------------+------------------+-----------------+--------|
| SL80486DX2 | Open | Open | Open |
|--------------+------------------+-----------------+--------|
| AM486DX4 | pins 1 & 2 | Open | Open |
| | closed | | |
|--------------+------------------+-----------------+--------|
| 80486DX4 | Open | Open | Open |
|--------------+------------------+-----------------+--------|
| P24D | Open | pins 1 & 2 | Open |
| | | closed | |
|--------------+------------------+-----------------+--------|
| P24T | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP12 | JP14 |
|--------------------+-------------------+-------------------|
| 25MHz | Open | Open |
|--------------------+-------------------+-------------------|
| 33MHz | Closed | Closed |
|--------------------+-------------------+-------------------|
| 40MHz | Open | Closed |
|--------------------+-------------------+-------------------|
| 50iMHz | Open | Open |
|--------------------+-------------------+-------------------|
| 66iMHz | Closed | Closed |
|--------------------+-------------------+-------------------|
| 75iMHz | Open | Open |
|--------------------+-------------------+-------------------|
| 80iMHz | Open | Closed |
|--------------------+-------------------+-------------------|
| 100iMHz | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP18 | JP19 | JP20 | JP21 | JP22 |
|---------+--------------+--------+--------+--------+--------|
| 3.3v | pins 3 & 5, | Closed | Open | Open | Open |
| | 4 & 6 closed | | | | |
|---------+--------------+--------+--------+--------+--------|
| 3.45v | pins 3 & 5, | Open | Closed | Open | Open |
| | 4 & 6 closed | | | | |
|---------+--------------+--------+--------+--------+--------|
| 3.6v | pins 3 & 5, | Open | Open | Closed | Open |
| | 4 & 6 closed | | | | |
|---------+--------------+--------+--------+--------+--------|
| 4v | pins 3 & 5, | Open | Open | Open | Closed |
| | 4 & 6 closed | | | | |
|---------+--------------+--------+--------+--------+--------|
| 5v | pins 1 & 3, | N/A | N/A | N/A | N/A |
| | 2 & 4 closed | | | | |
+------------------------------------------------------------+