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# DTK COMPUTER, INC.
PKM-3363Y (VER. 1.00)
Processor 80486SX/80487SX/80486DX/P23T
Processor 16/20/25/33MHz
Speed
Chip Set Symphony
Max. Onboard 32MB
DRAM
Cache 64/256KB
BIOS AMI/DTK
Dimensions 330mm x 222mm
I/O Options Floppy drive interface, IDE interface, parallel
port, PS/2 mouse port, serial ports (2), VGA
feature connector, VGA port, riser slot
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Reset switch | J1 | Serial port 2 | J28 |
|----------------+----------+---------------------+----------|
| Turbo LED | J2 | Floppy drive | J35 |
| | | interface | |
|----------------+----------+---------------------+----------|
| Turbo switch | J3 | IDE interface | J36 |
|----------------+----------+---------------------+----------|
| Power LED & | J5 | IDE interface LED | J37 |
| keylock | | | |
|----------------+----------+---------------------+----------|
| VGA feature | J23 | Parallel port | J47 |
| connector | | | |
|----------------+----------+---------------------+----------|
| VGA port | J24 | PS/2 mouse port | J48 |
|----------------+----------+---------------------+----------|
| Serial port 1 | J25 | Riser slot | SL1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Cache write hit wait state | J8 | Closed |
| | select 0 wait states | | |
|---+----------------------------------+--------+------------|
| | Cache write hit wait state | J8 | Open |
| | select 1 wait state | | |
|---+----------------------------------+--------+------------|
| » | On board VGA wait state select 0 | J27 | Closed |
| | wait states | | |
|---+----------------------------------+--------+------------|
| | On board VGA wait state select 1 | J27 | Open |
| | wait state | | |
|---+----------------------------------+--------+------------|
| » | VGA and system BIOS combined | J29 | Closed |
|---+----------------------------------+--------+------------|
| | VGA and system BIOS not combined | J29 | Open |
|---+----------------------------------+--------+------------|
| » | Parallel port IRQ select IRQ7 | J32 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Parallel port IRQ select IRQ5 | J32 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select monochrome | J33 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select color | J33 | Open |
|---+----------------------------------+--------+------------|
| | Floppy drive interface enabled | J46 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Floppy drive interface disabled | J46 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Cache enabled | J50 | Closed |
|---+----------------------------------+--------+------------|
| | Cache disabled | J50 | Open |
|---+----------------------------------+--------+------------|
| » | VGA KHz select 31.5KHz | SW1/5 | Off |
|---+----------------------------------+--------+------------|
| | VGA KHz select 35KHz | SW1/5 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 5MB | (4) 256K x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 5MB | (4) 1M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 17MB | (4) 256K x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 17MB | (4) 4M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J7 | J10 | J11 |
|-------+-----------------+-----------------+----------------|
| 64KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 128KB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | J9 | J16 | J17 |
|----------+-------------------+-------------------+---------|
| 80486SX | Open | pins 2 & 3 closed | Open |
|----------+-------------------+-------------------+---------|
| 80486DX | pins 1 & 2 closed | pins 1 & 2 closed | Closed |
|------------------------------------------------------------|
| Note: An 80478SX or P23T can be installed at CPU1. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | J18 | J19 | J21 | J51 |
|---------+----------+----------+-------------------+--------|
| 16MHz | Closed | Closed | pins 2 & 3 closed | Open |
|---------+----------+----------+-------------------+--------|
| 20MHz | Closed | Open | pins 2 & 3 closed | Open |
|---------+----------+----------+-------------------+--------|
| 25MHz | Open | Open | pins 2 & 3 closed | Open |
|---------+----------+----------+-------------------+--------|
| 33MHz | Open | Closed | pins 2 & 3 closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDE CONFIGURATION |
|------------------------------------------------------------|
| Setting | J52 | J53 |
|--------------------+-------------------+-------------------|
| Enabled | Closed | Closed |
|--------------------+-------------------+-------------------|
| Disabled | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | J39 | J40 |
|------------------+--------------------+--------------------|
| LPT1 | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| LPT2 | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| LPT3 | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Disabled | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port 1 | Port 2 | J41 | J42 | J43 |
|----------+----------+------------+------------+------------|
| COM1 | COM2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | | closed | closed | closed |
|----------+----------+------------+------------+------------|
| COM1 | Disabled | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | | closed | closed | closed |
|----------+----------+------------+------------+------------|
| Disabled | COM2 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
| | | closed | closed | closed |
|----------+----------+------------+------------+------------|
| COM2 | COM1 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | | closed | closed | closed |
|----------+----------+------------+------------+------------|
| COM2 | Disabled | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | | closed | closed | closed |
|----------+----------+------------+------------+------------|
| Disabled | COM1 | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
| | | closed | closed | closed |
|----------+----------+------------+------------+------------|
| Disabled | Disabled | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed | closed |
|----------+----------+------------+------------+------------|
| Disabled | Disabled | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT IRQ CONFIGURATION |
|------------------------------------------------------------|
| IRQ | J30 | J31 |
|-------------------+--------------------+-------------------|
| IRQ3 | Closed | Open |
|-------------------+--------------------+-------------------|
| IRQ4 | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON BOARD VGA CONFIGURATION |
|------------------------------------------------------------|
| Setting | J15 | J26 |
|--------------------+------------------+--------------------|
| Enabled | Open | pins 1 & 2 closed |
|--------------------+------------------+--------------------|
| Disabled | Closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VGA REFRESH CONFIGURATION (800 X 600) |
|------------------------------------------------------------|
| Setting | SW1/3 | SW1/4 |
|------------------------+-----------------+-----------------|
| » | 50Hz | Off | Off |
|-------+----------------+-----------------+-----------------|
| | 56Hz | On | On |
|-------+----------------+-----------------+-----------------|
| | 60Hz | Off | On |
|-------+----------------+-----------------+-----------------|
| | 72Hz | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VGA REFRESH CONFIGURATION (1024 X 728) |
|------------------------------------------------------------|
| Setting | SW1/1 | SW1/2 |
|--------------------------+----------------+----------------|
| » | Interlaced | Off | Off |
|-----+--------------------+----------------+----------------|
| | 60Hz | On | Off |
|-----+--------------------+----------------+----------------|
| | 70Hz | Off | On |
|-----+--------------------+----------------+----------------|
| | Interlaced | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|--------------+----------------------+----------------------|
| 512KB | (4) 256K x 16 | NONE |
|--------------+----------------------+----------------------|
| 1MB | (4) 256K x 16 | (4) 256K x 16 |
|------------------------------------------------------------|
| Note: Bank 0 is factory installed and is not configurable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/6 |
|------------------------------+-----------------------------|
| 512KB | On |
|------------------------------+-----------------------------|
| 1MB | Off |
|------------------------------------------------------------|
| Note: Bank 0 is factory installed and is not configurable. |
+------------------------------------------------------------+