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# DTK COMPUTER, INC.
PKM-0062S (VER. 1.00)
Processor 80486SX/80487SX/80486DX/80486DX2/Pentium
Overdrive
Processor 20/25/33/40/50(internal)/50/66(internal)MHz
Speed
Chip Set SIS
Max. Onboard 64MB
DRAM
Cache 64/128/256KB
BIOS Unidentified
Dimensions 330mm x 215mm
I/O Options 32-bit VESA local bus slot, floppy drive
interface, game port, 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 |
|-------------------+----------+------------------+----------|
| Power LED & | J1 | VGA port | J10 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| IDE interface LED | J2 | Parallel port | J11 |
|-------------------+----------+------------------+----------|
| Turbo LED | J3 | Serial port 1 | J12 |
|-------------------+----------+------------------+----------|
| Turbo switch | J4 | Serial port 2 | J13 |
|-------------------+----------+------------------+----------|
| Reset switch | J5 | PS/2 mouse port | J14 |
|-------------------+----------+------------------+----------|
| IDE interface | J6 | External battery | J17 |
|-------------------+----------+------------------+----------|
| Floppy drive | J7 | Riser slot | SL1 |
| interface | | | |
|-------------------+----------+------------------+----------|
| VGA feature | J8 | 32-bit VESA | SL2 |
| connector | | local bus slot | |
|-------------------+----------+------------------+----------|
| Game interface | J9 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Fast A20 enabled | JP18 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Keyboard A20 enabled | JP18 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | VESA card select any card | JP19 | Closed |
| | installed | | |
|---+----------------------------------+--------+------------|
| | VESA card select special card | JP19 | Open |
| | installed | | |
|---+----------------------------------+--------+------------|
| » | VESA IRQ9 disabled | JP20 | Open |
|---+----------------------------------+--------+------------|
| | VESA IRQ9 enabled | JP20 | Closed |
|---+----------------------------------+--------+------------|
| » | On board VGA enabled | JP23 | Closed |
|---+----------------------------------+--------+------------|
| | On board VGA disabled | JP23 | Open |
|---+----------------------------------+--------+------------|
| » | Parallel port IRQ select IRQ7 | JP31 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Parallel port IRQ select IRQ5 | JP31 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Game interface enabled | JP32 | Closed |
|---+----------------------------------+--------+------------|
| | Game interface disabled | JP32 | Open |
|---+----------------------------------+--------+------------|
| » | Battery type select external | JP33 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery type select internal | JP33 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP34 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP34 | Open |
|---+----------------------------------+--------+------------|
| | CPU type select PGA | JP35 | Closed |
|---+----------------------------------+--------+------------|
| | CPU type select PQFP | JP35 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (1) 256K x | NONE | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | NONE | NONE |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 3MB | (1) 256K 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 |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 256K x | (1) 1M x 36 | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 256K x | (1) 256K x | (1) 1M x | NONE |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 7MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 256K x | (1) 1M x 36 | (1) 1M x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 36 | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 4M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 37MB | (1) 256K x | (1) 1M x 36 | (1) 4M x | (1) 4M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG (U9) | TAG (U10) |
|-------+-----------+-----------+-------------+--------------|
| 64KB | (4) 8K x | (4) 8K x | (1) 8K x 8 | (1) 8K x 8 |
| | 8 | 8 | | |
|-------+-----------+-----------+-------------+--------------|
| 128KB | (4) 32K x | NONE | (1) 8K x 8 | (1) 8K x 8 |
| | 8 | | | |
|-------+-----------+-----------+-------------+--------------|
| 256KB | (4) 32K x | (4) 32K x | (1) 16K or | (1) 16K or |
| | 8 | 8 | (1) 32K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP1 | JP2 | JP3 | JP4 | JP5 | JP6 | JP7 |
|-------+-------+-------+-------+-------+------+------+------|
| 64KB | 2 & 3 | Open | 1 & 2 | 1 & 2 | 1 & | 1 & | 1 & |
| | | | | | 2 | 2 | 2 |
|-------+-------+-------+-------+-------+------+------+------|
| 128KB | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & | 1 & | 2 & |
| | | | | | 3 | 2 | 3 |
|-------+-------+-------+-------+-------+------+------+------|
| 256KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & | 2 & | 2 & |
| | | | | | 3 | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP15 | JP16 | JP17 |
|---------------+--------------+--------------+--------------|
| 80486SX | Open | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed |
|---------------+--------------+--------------+--------------|
| 80487SX | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|---------------+--------------+--------------+--------------|
| 80486DX | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|---------------+--------------+--------------+--------------|
| 80486DX2 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|---------------+--------------+--------------+--------------|
| Pentium | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| Overdrive | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP12 | JP13 | JP14 |
|---------------+--------------+--------------+--------------|
| 20MHz | Open | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 25MHz | Closed | Closed | Open |
|---------------+--------------+--------------+--------------|
| 33MHz | Closed | Open | Closed |
|---------------+--------------+--------------+--------------|
| 40MHz | Open | Closed | Open |
|---------------+--------------+--------------+--------------|
| 50iMHz | Closed | Closed | Open |
|---------------+--------------+--------------+--------------|
| 50MHz | Open | Open | Closed |
|---------------+--------------+--------------+--------------|
| 66iMHz | Closed | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VL BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| » í Setting | JP8 |
|----------------------------+-------------------------------|
| » | <= 33MHz | pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| » | > 33MHz | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VL BUS WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| » Setting | JP9 |
|------------------------------+-----------------------------|
| » | 0 wait states | pins 1 & 2 closed |
|---+--------------------------+-----------------------------|
| » | 1 wait state | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA SLOT CONFIGURATION |
|------------------------------------------------------------|
| » Setting | JP10 | JP11 |
|-----------------------+------------------+-----------------|
| » | 1 master/ 1 slave | pins 1 & 2 | pins 1 & 2 |
| | slot | closed | closed |
|---+-------------------+------------------+-----------------|
| » | 2 master slots | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOPPY DRIVE CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP27 | JP28 |
|------------------+--------------------+--------------------|
| Enabled | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| Disabled | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDE CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP21 | JP22 |
|--------------------+-------------------+-------------------|
| Enabled | Closed | Closed |
|--------------------+-------------------+-------------------|
| Disabled | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| » LPT | JP29 | JP30 |
|------------------+--------------------+--------------------|
| » | LPT1 | pins 1 & 2 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| » | LPT2 | pins 2 & 3 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 | JP24 | JP25 | JP26 |
|--------------+----------+-----------+-----------+----------|
| » | COM 1 | COM 2 | pins 1 & | pins 1 & | pins 1 & |
| | | | 2 closed | 2 closed | 2 closed |
|---+----------+----------+-----------+-----------+----------|
| » | COM 1 | Disabled | pins 2 & | pins 1 & | pins 1 & |
| | | | 3 closed | 2 closed | 2 closed |
|---+----------+----------+-----------+-----------+----------|
| » | COM 2 | COM 1 | pins 1 & | pins 2 & | pins 1 & |
| | | | 2 closed | 3 closed | 2 closed |
|---+----------+----------+-----------+-----------+----------|
| » | Disabled | COM 1 | pins 1 & | pins 2 & | pins 2 & |
| | | | 2 closed | 3 closed | 3 closed |
|---+----------+----------+-----------+-----------+----------|
| » | Disabled | COM 2 | pins 1 & | pins 1 & | pins 2 & |
| | | | 2 closed | 2 closed | 3 closed |
|---+----------+----------+-----------+-----------+----------|
| » | COM 2 | Disabled | pins 2 & | pins 2 & | pins 1 & |
| | | | 3 closed | 3 closed | 2 closed |
|---+----------+----------+-----------+-----------+----------|
| » | Disabled | Disabled | pins 2 & | pins 2 & | pins 2 & |
| | | | 3 closed | 3 closed | 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 512KB | (4) 256K x 4 | NONE |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 4 | (4) 256K x 4 |
+------------------------------------------------------------+