TEXT View Source
# AMPTRON INTERNATIONAL, INC.
DX-9300A (VER 1.1)
Processor 80486SX/SL80486SX/CX486DX/IBM486DX/TI486DX/AM486DX/
80486DX/SL80486DX/CX486DX2/IBM486DX2/TI486DX2/AM486DX2/(SL)AM486DX2/80486DX2/SL80486DX2/AM486DX4/(SL)AM486DX2/SL80486DX4/P24D/P24T/CXM1-SC
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)/120(internal)MHz
Speed
Chip Set Unidentified
Video Chip None
Set
Maximum 256MB (EDO supported)
Onboard
Memory
Maximum None
Video
Memory
Cache 128/256/512/1024KB
BIOS AMI
Dimensions 254mm x 218mm
I/O 32-bit PCI slots (3), floppy drive interface, game interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2)
Options
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Parallel port | J2 | Green PC | JP17 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Game interface | J3 | Turbo LED | JP19 |
|-------------------+----------+------------------+----------|
| Serial port 1 | J9 | IDE interface | JP20 |
| | | LED 1 | |
|-------------------+----------+------------------+----------|
| Serial port 2 | J13 | IDE interface | JP21 |
| | | LED 2 | |
|-------------------+----------+------------------+----------|
| Floppy drive | J14 | Power LED & | JP22 |
| interface | | keylock | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J15 | Speaker | JP23 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J16 | Turbo switch | JP24 |
|-------------------+----------+------------------+----------|
| Green PC | JP1 | Reset switch | JP25 |
| connector | | | |
| (monitor) | | | |
|-------------------+----------+------------------+----------|
| External battery | JP2 | 32-bit PCI slots | PC1 - |
| | | | PC3 |
|-------------------+----------+------------------+----------|
| Chassis fan power | JP10 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| | Flash BIOS voltage select 12v | JP5 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS voltage select 5v | JP5 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP16 | 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 | | |
|------+-------------+-------------+------------+------------|
| 3MB | (1) 256K x | (1) 256K x | (1) 256K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 1M x 36 | (1) 256K x | None | None |
| | | 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 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 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) 2M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 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 | | |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 19MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 20MB | (1) 2M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 1M x | (1) 1M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 2M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 28MB | (1) 4M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 8M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 2M x | (1) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 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 | |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 8M x 36 | (1) 1M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | None |
| | | 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 | | |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 44MB | (1) 8M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 8M x 36 | (1) 2M x | (1) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 56MB | (1) 8M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 16M x | None | None | None |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M 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 |
|-------+-------------+------------+------------+------------|
| 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) 16M x | (1) 1M x | None | 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 |
|-------+-------------+------------+------------+------------|
| 88MB | (1) 16M x | (1) 2M x | (1) 2M x | (1) 2M x |
| | 36 | 36 | 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 | |
|-------+-------------+------------+------------+------------|
| 100MB | (1) 1M 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|---------+-------------+------------+-----------+-----------|
| 112MB | (1) 4M 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 | | |
|---------+-------------+------------+-----------+-----------|
| 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 |
|---------+-------------+------------+-----------+-----------|
| 132MB | (1) 32M x | (1) 1M x | None | None |
| | 36 | 36 | | |
|---------+-------------+------------+-----------+-----------|
| 136MB | (1) 32M x | (1) 1M x | (1) 1M x | None |
| | 36 | 36 | 36 | |
|---------+-------------+------------+-----------+-----------|
| 136MB | (1) 32M x | (1) 2M x | None | None |
| | 36 | 36 | | |
|---------+-------------+------------+-----------+-----------|
| 140MB | (1) 32M x | (1) 1M x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|---------+-------------+------------+-----------+-----------|
| 144MB | (1) 32M x | (1) 4M x | None | None |
| | 36 | 36 | | |
|---------+-------------+------------+-----------+-----------|
| 152MB | (1) 32M x | (1) 2M x | (1) 2M x | (1) 2M x |
| | 36 | 36 | 36 | 36 |
|---------+-------------+------------+-----------+-----------|
| 152MB | (1) 32M x | (1) 2M x | (1) 2M x | (1) 2M x |
| | 36 | 36 | 36 | 36 |
|---------+-------------+------------+-----------+-----------|
| 160MB | (1) 16M x | (1) 8M x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|---------+-------------+------------+-----------+-----------|
| 160MB | (1) 32M x | (1) 4M x | (1) 4M x | None |
| | 36 | 36 | 36 | |
|---------+-------------+------------+-----------+-----------|
| 160MB | (1) 32M x | (1) 8M x | None | None |
| | 36 | 36 | | |
|---------+-------------+------------+-----------+-----------|
| 176MB | (1) 32M x | (1) 4M x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|---------+-------------+------------+-----------+-----------|
| 192MB | (1) 16M x | (1) 16M x | (1) 16M x | None |
| | 36 | 36 | 36 | |
|---------+-------------+------------+-----------+-----------|
| 192MB | (1) 32M x | (1) 8M x | (1) 8M x | None |
| | 36 | 36 | 36 | |
|---------+-------------+------------+-----------+-----------|
| 224MB | (1) 32M x | (1) 8M x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|---------+-------------+------------+-----------+-----------|
| 256MB | (1) 16M x | (1) 16M x | (1) 16M x | (1) 16M x |
| | 36 | 36 | 36 | 36 |
|---------+-------------+------------+-----------+-----------|
| 256MB | (1) 32M x | (1) 32M x | None | None |
| | 36 | 36 | | |
|---------+-------------+------------+-----------+-----------|
| 256MB | (1) 64M x | None | None | None |
| | 36 | | | |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. The location of banks 0 & |
| 1 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-------------+---------------+---------------+--------------|
| 128KB | (4) 32K x 8 | None | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 256KB (B) | (4) 64K x 8 | None | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 512KB | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 1MB | (4) 128K x 8 | None | (1) 32K x 8 |
|------------------------------------------------------------|
| Note: The location of banks 0 & 1 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP13 | JP14 | JP15 |
|-----------+--------------------+-------+-------------------|
| 128KB | 1 & 2 | 1 & 2 | Open |
|-----------+--------------------+-------+-------------------|
| 256KB (A) | 2 & 3 | 2 & 3 | 5 & 6 |
|-----------+--------------------+-------+-------------------|
| 256KB (B) | 1 & 2, 3 & 4 | 1 & 2 | 5 & 6 |
|-----------+--------------------+-------+-------------------|
| 512KB | 1 & 2, 3 & 4, 5 & | 1 & 2 | 3 & 4, 5 & 6 |
| | 6 | | |
|-----------+--------------------+-------+-------------------|
| 1MB | 2 & 3, 4 & 5, 6 & | 2 & 3 | 1 & 2, 3 & 4, 5 & |
| | 7 | | 6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP11 | JP12 | JP18 |
|-------------+-----------------------+----------+-----------|
| 25MHz | 5 & 6 | 2 & 3 | Open |
|-------------+-----------------------+----------+-----------|
| 33MHz | 1 & 2, 3 & 4, 5 & 6 | 2 & 3 | Open |
|-------------+-----------------------+----------+-----------|
| 40MHz | 3 & 4, 5 & 6 | 1 & 2 | Closed |
|-------------+-----------------------+----------+-----------|
| 50iMHz | 5 & 6 | 2 & 3 | Open |
|-------------+-----------------------+----------+-----------|
| 50MHz | 1 & 2 | 1 & 2 | Closed |
|-------------+-----------------------+----------+-----------|
| 66iMHz | 1 & 2, 3 & 4, 5 & 6 | 2 & 3 | Open |
|-------------+-----------------------+----------+-----------|
| 75iMHz | 5 & 6 | 2 & 3 | Open |
|-------------+-----------------------+----------+-----------|
| 80iMHz | 3 & 4, 5 & 6 | 1 & 2 | Closed |
|-------------+-----------------------+----------+-----------|
| 100iMHz | 1 & 2, 3 & 4, 5 & 6 | 2 & 3 | Open |
|-------------+-----------------------+----------+-----------|
| 120iMHz | 3 & 4, 5 & 6 | 1 & 2 | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP26 | JP27 | JP28 | JP29 |
|--------------+--------+------------+-----------+-----------|
| 80486SX | Open | Open | Pins 1 & | Pins 1 & |
| | | | 2 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| SL80486SX | Closed | Open | Pins 1 & | Pins 1 & |
| | | | 2 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| CX486DX | Closed | Pins 2 & 3 | Pins 2 & | Pins 1 & |
| | | closed | 3 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| IBM486DX | Closed | Pins 2 & 3 | Pins 2 & | Pins 1 & |
| | | closed | 3 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| TI486DX | Closed | Pins 2 & 3 | Pins 2 & | Pins 1 & |
| | | closed | 3 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| AM486DX | Open | Pins 2 & 3 | Pins 2 & | Pins 1 & |
| | | closed | 3 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| 80486DX | Open | Pins 2 & 3 | Pins 2 & | Pins 1 & |
| | | closed | 3 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| SL80486DX | Closed | Pins 2 & 3 | Pins 2 & | Pins 1 & |
| | | closed | 3 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| CX486DX2 | Closed | Pins 2 & 3 | Pins 2 & | Pins 1 & |
| | | closed | 3 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| IBM486DX2 | Closed | Pins 2 & 3 | Pins 2 & | Pins 1 & |
| | | closed | 3 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| TI486DX2 | Closed | Pins 2 & 3 | Pins 2 & | Pins 1 & |
| | | closed | 3 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| AM486DX2 | Open | Pins 2 & 3 | Pins 2 & | Pins 1 & |
| | | closed | 3 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| (SL)AM486DX2 | Closed | Pins 2 & 3 | Pins 2 & | Pins 2 & |
| | | closed | 3 closed | 3 closed |
|--------------+--------+------------+-----------+-----------|
| 80486DX2 | Open | Pins 2 & 3 | Pins 2 & | Pins 1 & |
| | | closed | 3 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| SL80486DX2 | Closed | Pins 2 & 3 | Pins 2 & | Pins 1 & |
| | | closed | 3 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| AM486DX4 | Open | Pins 2 & 3 | Pins 2 & | Pins 1 & |
| | | closed | 3 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| (SL)AM486DX4 | Closed | Pins 2 & 3 | Pins 2 & | Pins 2 & |
| | | closed | 3 closed | 3 closed |
|--------------+--------+------------+-----------+-----------|
| SL80486DX4 | Closed | Pins 2 & 3 | Pins 2 & | Pins 1 & |
| | | closed | 3 closed | 2 closed |
|--------------+--------+------------+-----------+-----------|
| P24D | Closed | Pins 2 & 3 | Pins 2 & | Pins 2 & |
| | | closed | 3 closed | 3 closed |
|--------------+--------+------------+-----------+-----------|
| P24T | Closed | Pins 1 & 2 | Pins 2 & | Pins 2 & |
| | | closed | 3 closed | 3 closed |
|--------------+--------+------------+-----------+-----------|
| CXM1-SC | Closed | Pins 2 & 3 | Pins 2 & | Pins 2 & |
| | | closed | 3 closed | 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP30 | JP31 |
|--------------+-----------------------+---------------------|
| 80486SX | Pins 1 & 8 closed | Open |
|--------------+-----------------------+---------------------|
| SL80486SX | Pins 2 & 9, 5 & 12 | Pins 2 & 9 closed |
| | closed | |
|--------------+-----------------------+---------------------|
| CX486DX | Pins 3 & 10, 6 & 13 | Pins 3 & 10, 4 & 11 |
| | closed | closed |
|--------------+-----------------------+---------------------|
| IBM486DX | Pins 3 & 10, 6 & 13 | Pins 3 & 10, 4 & 11 |
| | closed | closed |
|--------------+-----------------------+---------------------|
| TI486DX | Pins 3 & 10, 6 & 13 | Pins 3 & 10, 4 & 11 |
| | closed | closed |
|--------------+-----------------------+---------------------|
| AM486DX | Pins 1 & 8, 7 & 14 | Open |
| | closed | |
|--------------+-----------------------+---------------------|
| 80486DX | Pins 1 & 8 closed | Open |
|--------------+-----------------------+---------------------|
| SL80486DX | Pins 2 & 9, 5 & 12, 7 | Pins 2 & 9 closed |
| | & 14 closed | |
|--------------+-----------------------+---------------------|
| CX486DX2 | Pins 3 & 10, 6 & 13 | Pins 3 & 10, 4 & 11 |
| | closed | closed |
|--------------+-----------------------+---------------------|
| IBM486DX2 | Pins 3 & 10, 6 & 13 | Pins 3 & 10, 4 & 11 |
| | closed | closed |
|--------------+-----------------------+---------------------|
| TI486DX2 | Pins 3 & 10, 6 & 13 | Pins 3 & 10, 4 & 11 |
| | closed | closed |
|--------------+-----------------------+---------------------|
| AM486DX2 | Pins 1 & 8, 7 & 14 | Open |
| | closed | |
|--------------+-----------------------+---------------------|
| (SL)AM486DX2 | Pins 2 & 9, 4 & 11, 5 | Pins 2 & 9, 6 & 13, |
| | & 12 closed | 7 & 14 closed |
|--------------+-----------------------+---------------------|
| 80486DX2 | Pins 1 & 8 closed | Open |
|--------------+-----------------------+---------------------|
| SL80486DX2 | Pins 2 & 9, 5 & 12, 7 | Pins 2 & 9 closed |
| | & 14 closed | |
|--------------+-----------------------+---------------------|
| AM486DX4 | Pins 1 & 8 closed | Open |
|--------------+-----------------------+---------------------|
| (SL)AM486DX4 | Pins 2 & 9, 5 & 12 | Pins 2 & 9, 6 & 13, |
| | closed | 7 & 14 closed |
|--------------+-----------------------+---------------------|
| SL80486DX4 | Pins 2 & 9, 5 & 12 | Pins 2 & 9 closed |
| | closed | |
|--------------+-----------------------+---------------------|
| P24D | Pins 2 & 9, 5 & 12 | Pins 2 & 9, 6 & 13, |
| | closed | 7 & 14 closed |
|--------------+-----------------------+---------------------|
| P24T | Pins 2 & 9, 5 & 12 | Pins 2 & 9 closed |
| | closed | |
|--------------+-----------------------+---------------------|
| CXM1-SC | Pins 2 & 9, 5 & 12 | Pins 2 & 9, 6 & 13, |
| | closed | 7 & 14 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP6 | JP7 | JP8 | JP9 |
|---------+--------+---------------+------------+------------|
| 3.3v | Closed | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed | closed |
|---------+--------+---------------+------------+------------|
| 4v | Open | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed | closed |
|---------+--------+---------------+------------+------------|
| 5v | Closed | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
| | | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | JP3 | JP4 |
|------------------+--------------------+--------------------|
| 1 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 3 | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+