DTK COMPUTER, INC.
PKM-0062S (VER. 1.00)
Processor |
80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive |
Processor Speed |
20/25/33/40/50(internal)/50/66(internal)MHz |
Chip Set |
SIS |
Max. Onboard DRAM |
64MB |
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 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Power LED & keylock |
J1 |
VGA port |
J10 |
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 interface |
J7 |
Riser slot |
SL1 |
VGA feature connector |
J8 |
32-bit VESA local bus slot |
SL2 |
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 installed |
JP19 |
Closed |
VESA card select special card installed |
JP19 |
Open | |
|
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 36 |
NONE |
NONE |
NONE |
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
NONE |
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 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 36 |
(1) 1M x 36 |
NONE |
7MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 1M x 36 |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
9MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
17MB |
(1) 256K x 36 |
(1) 4M x 36 |
NONE |
NONE |
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
NONE |
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
37MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
40MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
CACHE CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
TAG (U9) |
TAG (U10) |
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
(1) 8K x 8 |
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
(1) 8K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 16K or (1) 32K x 8 |
(1) 16K or (1) 32K x 8 |
CACHE JUMPER CONFIGURATION | |||||||
Size |
JP1 |
JP2 |
JP3 |
JP4 |
JP5 |
JP6 |
JP7 |
64KB |
2 & 3 |
Open |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
128KB |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
256KB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
Note: Pins designated should be in the closed position. |
CPU TYPE CONFIGURATION | |||
Type |
JP15 |
JP16 |
JP17 |
80486SX |
Open |
pins 2 & 3 closed |
pins 2 & 3 closed |
80487SX |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
80486DX |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
80486DX2 |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
Pentium Overdrive |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 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 slot |
pins 1 & 2 closed |
pins 1 & 2 closed | |
2 master slots |
pins 2 & 3 closed |
pins 2 & 3 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 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed | |
COM 1 |
Disabled |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed | |
COM 2 |
COM 1 |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed | |
Disabled |
COM 1 |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed | |
Disabled |
COM 2 |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed | |
COM 2 |
Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed | |
Disabled |
Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
VRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
512KB |
(4) 256K x 4 |
NONE |
1MB |
(4) 256K x 4 |
(4) 256K x 4 |