(TXT) View Source
# DTK COMPUTER, INC.
PKM-0033S (VER. 1.03)
Processor AM486/UMCU5SX/80486SX/SL80486SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/(SL)AM486DX2(WB)/(SL)AM486DX2(WT)/
80486DX2/SL80486DX2/(SL)AM486DX4(WB)/(SL)AM486DX4(WT)/ AM486DX4/ 80486DX4/CXM1SC(WB)/CXM1SC(WT)/P24D/P24T
Processor 20/25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/
Speed 100(internal)/120(internal)/133(internal)MHz
Chip Set Unidentified
Video Chip None
Set
Maximum 128MB
Onboard
Memory
Maximum None
Video
Memory
Cache 64/128/256/512/1024KB
BIOS Award
Dimensions 250mm x 220mm
I/O 32-bit PCI slots (4), floppy drive interface, game interface, green PC connector, IDE interfaces (2),
Options parallel port, serial ports (2)
NPU None
Options
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Reset switch | J1 | IDE interface 1 | J12 |
|-------------------+----------+------------------+----------|
| Turbo LED | J2 | IDE interface 2 | J13 |
|-------------------+----------+------------------+----------|
| Power LED & | J3 | Serial port 1 | J14 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | J4 | Serial port 2 | J15 |
|-------------------+----------+------------------+----------|
| Turbo switch | J5 | Game interface | J16 |
|-------------------+----------+------------------+----------|
| Green PC | J6 | Parallel port | J17 |
| connector | | | |
|-------------------+----------+------------------+----------|
| IDE interface LED | J7 | Floppy drive | J18 |
| | | interface | |
|-------------------+----------+------------------+----------|
| External battery | J8 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|------------------------------------+-------+---------------|
| » | Turbo enabled | J5 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | Turbo disabled | J5 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| » | Monitor type select color | JP33 | Closed |
|---+--------------------------------+-------+---------------|
| | Monitor type select monochrome | JP33 | Open |
|---+--------------------------------+-------+---------------|
| » | CMOS memory normal operation | JP38 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | CMOS memory clear | JP38 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| » | Parallel port IRQ select IRQ7 | JP51 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | Parallel port IRQ select IRQ5 | JP51 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+---------------+-------------+------------+----------|
| 1MB | (1) 256K x 36 | None | None | None |
|------+---------------+-------------+------------+----------|
| 2MB | (1) 256K x 36 | (1) 256K x | None | None |
| | | 36 | | |
|------+---------------+-------------+------------+----------|
| 2MB | (1) 512K x 36 | None | None | None |
|------+---------------+-------------+------------+----------|
| 4MB | (1) 256K x 36 | (1) 256K x | (1) 512K x | None |
| | | 36 | 36 | |
|------+---------------+-------------+------------+----------|
| 4MB | (1) 512K x 36 | (1) 512K x | None | None |
| | | 36 | | |
|------+---------------+-------------+------------+----------|
| 4MB | (1) 1M x 36 | None | None | None |
|------+---------------+-------------+------------+----------|
| 5MB | (1) 256K x 36 | (1) 1M x 36 | None | None |
|------+---------------+-------------+------------+----------|
| 6MB | (1) 256K x 36 | (1) 256K x | (1) 1M x | None |
| | | 36 | 36 | |
|------+---------------+-------------+------------+----------|
| 6MB | (1) 512K x 36 | (1) 1M x 36 | None | None |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 256K x 36 | (1) 256K x | (1) 512K x | (1) 1M x |
| | | 36 | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | None |
| | | 36 | 36 | |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 2M x 36 | None | None | None |
|------+---------------+-------------+------------+----------|
| 10MB | (1) 256K x 36 | (1) 256K x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 12MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | (1) 1M 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 |
|------+---------------+-------------+------------+----------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 4M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 17MB | (1) 256K x | (1) 4M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 18MB | (1) 256K x | (1) 256K x | (1) 4M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 18MB | (1) 512K x | (1) 4M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 20MB | (1) 512K x | (1) 512K x | (1) 4M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 2M x | (1) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 512K x | (1) 512K x | (1) 1M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 1M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 28MB | (1) 1M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 8M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 512K x | (1) 512K x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 8M x | None | None |
| | | 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 | |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 4M x |
| | | 36 | 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 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 2M x 36 | (1) 2M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 16M x | None | None | None |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 65MB | (1) 256K x | (1) 16M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 16M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 1M x | (1) 16M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4M x 36 | (1) 16M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 2M x 36 | (1) 2M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 36 | (1) 4M x | (1) 16M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | None |
| | | 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 |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | Unidentified |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | None | Unidentified |
|------------+---------------+---------------+---------------|
| 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | Unidentified |
|------------+---------------+---------------+---------------|
| 256KB (B) | (4) 64K x 8 | None | Unidentified |
|------------+---------------+---------------+---------------|
| 512KB (A) | (4) 64K x 8 | (4) 64K x 8 | Unidentified |
|------------+---------------+---------------+---------------|
| 512KB (B) | (4) 128K x 8 | None | Unidentified |
|------------+---------------+---------------+---------------|
| 1MB | (4) 128K x 8 | (4) 128K x 8 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP19 | JP24 | JP25 | JP26 |
|-------------+----------+---------+---------+---------------|
| 64KB | 1 & 2 | 1 & 2 | Open | Open |
|-------------+----------+---------+---------+---------------|
| 128KB | 1 & 2 | 2 & 3 | Open | 1 & 2 |
|-------------+----------+---------+---------+---------------|
| 256KB (A) | 1 & 2 | 2 & 3 | Open | 2 & 3 |
|-------------+----------+---------+---------+---------------|
| 256KB (B) | 1 & 2 | 2 & 3 | Open | 1 & 2, 3 & 4 |
|-------------+----------+---------+---------+---------------|
| 512KB (A) | 2 & 3 | 2 & 3 | Open | 2 & 3, 4 & 5 |
|-------------+----------+---------+---------+---------------|
| 512KB (B) | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2, 4 & 5 |
|-------------+----------+---------+---------+---------------|
| 1MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3, 4 & 5 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TAG JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP20 | JP21 | JP22 | JP27 |
|-----------+------------+-----------+-----------+-----------|
| 64KB | Pins 1 & 2 | Pins 2 & | Pins 1 & | Pins 2 & |
| | closed | 3 closed | 2 closed | 3 closed |
|-----------+------------+-----------+-----------+-----------|
| 128KB | Pins 2 & 3 | Pins 1 & | Pins 1 & | Pins 2 & |
| | closed | 2 closed | 2 closed | 3 closed |
|-----------+------------+-----------+-----------+-----------|
| 256KB (A) | Pins 2 & 3 | Pins 2 & | Pins 2 & | Pins 2 & |
| | closed | 3 closed | 3 closed | 3 closed |
|-----------+------------+-----------+-----------+-----------|
| 256KB (B) | Pins 2 & 3 | Pins 1 & | Pins 2 & | Pins 2 & |
| | closed | 2 closed | 3 closed | 3 closed |
|-----------+------------+-----------+-----------+-----------|
| 512KB (A) | Pins 2 & 3 | Pins 2 & | Pins 2 & | Pins 2 & |
| | closed | 3 closed | 3 closed | 3 closed |
|-----------+------------+-----------+-----------+-----------|
| 512KB (B) | Pins 2 & 3 | Pins 1 & | Pins 2 & | Pins 1 & |
| | closed | 2 closed | 3 closed | 2 closed |
|-----------+------------+-----------+-----------+-----------|
| 1MB | Pins 2 & 3 | Pins 2 & | Pins 2 & | Pins 1 & |
| | closed | 3 closed | 3 closed | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP3 | JP18 | S1 | S2 | S3 |
|----------+---------+---------+---------+---------+---------|
| 20MHz | 1 & 2 | 1 & 2 | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 25MHz | 1 & 2 | 1 & 2 | Closed | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 33MHz | 1 & 2 | 1 & 2 | Closed | Closed | Closed |
|----------+---------+---------+---------+---------+---------|
| 40MHz | 1 & 2 | 1 & 2 | Closed | Closed | Open |
|----------+---------+---------+---------+---------+---------|
| 50iMHz | 1 & 2 | 1 & 2 | Closed | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 50MHz | 2 & 3 | 1 & 2 | Open | Open | Closed |
|----------+---------+---------+---------+---------+---------|
| 66iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Closed |
|----------+---------+---------+---------+---------+---------|
| 75iMHz | 1 & 2 | 1 & 2 | Closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CON’T) |
|------------------------------------------------------------|
| Speed | JP3 | JP18 | S1 | S2 | S3 |
|----------+---------+---------+----------+---------+--------|
| 80iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Open |
|----------+---------+---------+----------+---------+--------|
| 83iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Closed |
|----------+---------+---------+----------+---------+--------|
| 100iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Closed |
|----------+---------+---------+----------+---------+--------|
| 120iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Open |
|----------+---------+---------+----------+---------+--------|
| 133iMHz | 1 & 2 | 1 & 2 | Closed | Closed | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP4 | JP5 | JP6 | JP7 | JP8 |
|-------------------+-------+--------+-------+-------+-------|
| AM486 | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| UMC U5SX | Open | Open | 2 & 3 | Open | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| 80486SX | Open | Open | Open | Open | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| SL80486SX | Open | Open | 1 & 2 | Open | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| CX486DX | Open | Open | 1 & 2 | 2 & 3 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| AM486DX | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| 80486DX | Open | Open | Open | Open | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| CX486DX2 | Open | Open | 1 & 2 | 2 & 3 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| AM486DX2 | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| (SL)AM486DX2 (WB) | Open | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| (SL)AM486DX2 (WT) | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| 80486DX2 | Open | Open | Open | Open | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| SL80486DX2 | Open | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| (SL)AM486DX4 (WB) | Open | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| (SL)AM486DX4 (WT) | Open | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| AM486DX4 | Open | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| 80486DX4 | Open | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| CX M1SC (WB) | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| CX M1SC (WT) | Open | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 |
|-------------------+-------+--------+-------+-------+-------|
| P24D | Open | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------+-------+--------+-------+-------+-------|
| P24T | Open | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP9 | JP11 | JP12 | JP13 |
|--------------+-----------+-----------+----------+----------|
| AM486 | Pins 2 & | Pins 1 & | Pins 2 & | Pins 4 & |
| | 3 closed | 2 closed | 3 closed | 5 closed |
|--------------+-----------+-----------+----------+----------|
| UMC U5SX | Open | Open | Open | Open |
|--------------+-----------+-----------+----------+----------|
| 80486SX | Open | Open | Open | Open |
|--------------+-----------+-----------+----------+----------|
| SL80486SX | Pins 2 & | Open | Pins 1 & | Pins 4 & |
| | 3 closed | | 2 closed | 5 closed |
|--------------+-----------+-----------+----------+----------|
| CX486DX | Pins 1 & | Open | Open | Pins 2 & |
| | 2 closed | | | 3 closed |
|--------------+-----------+-----------+----------+----------|
| AM486DX | Pins 2 & | Open | Pins 1 & | Pins 4 & |
| | 3 closed | | 2 closed | 5 closed |
|--------------+-----------+-----------+----------+----------|
| 80486DX | Open | Open | Open | Open |
|--------------+-----------+-----------+----------+----------|
| CX486DX2 | Pins 1 & | Open | Open | Pins 2 & |
| | 2 closed | | | 3 closed |
|--------------+-----------+-----------+----------+----------|
| AM486DX2 | Pins 2 & | Open | Pins 1 & | Pins 4 & |
| | 3 closed | | 2 closed | 5 closed |
|--------------+-----------+-----------+----------+----------|
| (SL)AM486DX2 | Pins 2 & | Open | Pins 1 & | Pins 4 & |
| (WB) | 3 closed | | 2 closed | 5 closed |
|--------------+-----------+-----------+----------+----------|
| (SL)AM486DX2 | Pins 2 & | Open | Pins 1 & | Pins 4 & |
| (WT) | 3 closed | | 2 closed | 5 closed |
|--------------+-----------+-----------+----------+----------|
| 80486DX2 | Open | Open | Open | Open |
|--------------+-----------+-----------+----------+----------|
| SL80486DX2 | Pins 2 & | Open | Pins 1 & | Pins 4 & |
| | 3 closed | | 2 closed | 5 closed |
|--------------+-----------+-----------+----------+----------|
| (SL)AM486DX4 | Pins 2 & | Open | Pins 1 & | Pins 4 & |
| (WB) | 3 closed | | 2 closed | 5 closed |
|--------------+-----------+-----------+----------+----------|
| (SL)AM486DX4 | Pins 2 & | Open | Pins 1 & | Pins 4 & |
| (WT) | 3 closed | | 2 closed | 5 closed |
|--------------+-----------+-----------+----------+----------|
| AM486DX4 | Pins 2 & | Open | Pins 1 & | Pins 4 & |
| | 3 closed | | 2 closed | 5 closed |
|--------------+-----------+-----------+----------+----------|
| 80486DX4 | Pins 2 & | Open | Pins 1 & | Pins 4 & |
| | 3 closed | | 2 closed | 5 closed |
|--------------+-----------+-----------+----------+----------|
| CX M1SC (WB) | Pins 2 & | Pins 1 & | Pins 2 & | Pins 4 & |
| | 3 closed | 2 closed | 3 closed | 5 closed |
|--------------+-----------+-----------+----------+----------|
| CX M1SC (WT) | Pins 2 & | Pins 1 & | Pins 2 & | Pins 4 & |
| | 3 closed | 2 closed | 3 closed | 5 closed |
|--------------+-----------+-----------+----------+----------|
| P24D | Pins 2 & | Open | Pins 1 & | Pins 4 & |
| | 3 closed | | 2 closed | 5 closed |
|--------------+-----------+-----------+----------+----------|
| P24T | Pins 2 & | Open | Open | Pins 1 & |
| | 3 closed | | | 2 closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP14 | JP15 | JP16 | JP17 |
|-----------------+------------+----------+----------+-------|
| AM486 | 1 & 2, 3 & | 3 & 4 | 1 & 2, 3 | Open |
| | 4 | | & 4 | |
|-----------------+------------+----------+----------+-------|
| UMC U5SX | 1 & 2, 3 & | 1 & 2, 3 | Open | 3 & 4 |
| | 4 | & 4 | | |
|-----------------+------------+----------+----------+-------|
| 80486SX | 2 & 3 | Open | Open | Open |
|-----------------+------------+----------+----------+-------|
| SL80486SX | 2 & 3 | Open | 3 & 4 | Open |
|-----------------+------------+----------+----------+-------|
| CX486DX | 1 & 2, 3 & | 3 & 4 | 2 & 3 | 2 & 3 |
| | 4 | | | |
|-----------------+------------+----------+----------+-------|
| AM486DX | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open |
| | 4 | | | |
|-----------------+------------+----------+----------+-------|
| 80486DX | 1 & 2, 3 & | 3 & 4 | Open | Open |
| | 4 | | | |
|-----------------+------------+----------+----------+-------|
| CX486DX2 | 1 & 2, 3 & | 3 & 4 | 2 & 3 | 2 & 3 |
| | 4 | | | |
|-----------------+------------+----------+----------+-------|
| AM486DX2 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open |
| | 4 | | | |
|-----------------+------------+----------+----------+-------|
| (SL)AM486DX2 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open |
| (WB) | 4 | | | |
|-----------------+------------+----------+----------+-------|
| (SL)AM486DX2 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open |
| (WT) | 4 | | | |
|-----------------+------------+----------+----------+-------|
| 80486DX2 | 1 & 2, 3 & | 3 & 4 | Open | Open |
| | 4 | | | |
|-----------------+------------+----------+----------+-------|
| SL80486DX2 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open |
| | 4 | | | |
|-----------------+------------+----------+----------+-------|
| (SL)AM486DX4 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open |
| (WB) | 4 | | | |
|-----------------+------------+----------+----------+-------|
| (SL)AM486DX4 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open |
| (WT) | 4 | | | |
|-----------------+------------+----------+----------+-------|
| AM486DX4 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open |
| | 4 | | | |
|-----------------+------------+----------+----------+-------|
| 80486DX4 | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open |
| | 4 | | | |
|-----------------+------------+----------+----------+-------|
| CX M1SC (WB) | 1 & 2, 3 & | 3 & 4 | 1 & 2 | Open |
| | 4 | | | |
|-----------------+------------+----------+----------+-------|
| CX M1SC (WT) | 1 & 2, 3 & | 3 & 4 | 1 & 2 | Open |
| | 4 | | | |
|-----------------+------------+----------+----------+-------|
| P24D | 1 & 2, 3 & | 3 & 4 | 3 & 4 | Open |
| | 4 | | | |
|-----------------+------------+----------+----------+-------|
| P24T | 1 & 2, 3 & | 2 & 3 | 3 & 4 | 1 & 2 |
| | 4 | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU MULTIPLIER SELECTION (DX4 ONLY) |
|------------------------------------------------------------|
| Multiplier | JP10 |
|----------------------------+-------------------------------|
| 2x | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 3x | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | S4 | S5 | S6 |
|---------+----------------+----------------+----------------|
| 3.3v | Pins 1 & 2 | Open | Open |
| | closed | | |
|---------+----------------+----------------+----------------|
| 3.45v | Open | Pins 1 & 2 | Open |
| | | closed | |
|---------+----------------+----------------+----------------|
| 3.6v | Open | Open | Pins 1 & 2 |
| | | | closed |
|---------+----------------+----------------+----------------|
| 4v | Open | Open | Open |
|---------+----------------+----------------+----------------|
| 5v | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | JP36 | JP37 | JP52 | JP53 |
|-------------+-----------+-----------+-----------+----------|
| » | Printer | Open | Open | Pins 1 & | Pins 1 & |
| | | | | 2 closed | 2 closed |
|---+---------+-----------+-----------+-----------+----------|
| | 1 | Pins 1 & | Pins 1 & | Pins 1 & | Pins 1 & |
| | | 3 closed | 3 closed | 2 closed | 2 closed |
|---+---------+-----------+-----------+-----------+----------|
| | 3 | Pins 2 & | Pins 2 & | Pins 1 & | Pins 1 & |
| | | 4 closed | 4 closed | 2 closed | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLASH BIOS SELECTION |
|------------------------------------------------------------|
| Setting | JP34 | JP35 |
|------------------+--------------------+--------------------|
| » | EPROM | Pins 2 & 3 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | 5v flash | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | 12v flash | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+