DTK COMPUTER, INC.
PEM-2561D (S)
|
Processor |
80386DX |
|
Processor Speed |
25MHz |
|
Chip Set |
DTK/SIS |
|
Max. Onboard DRAM |
16MB |
|
Cache |
None |
|
BIOS |
DTK |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Parallel port, serial ports (2), floppy drive interface, IDE interface |
|
NPU Options |
80387/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Floppy drive interface |
J7 |
|
IDE interface LED |
J2 |
Serial port 1 |
J9 |
|
Turbo LED |
J4 |
Serial port 2 |
J8 |
|
Reset switch |
J5 |
Parallel port |
J10 |
|
IDE interface |
J6 |
Riser card |
RC1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
CPU speed select fast |
J3 |
Open | |
|
CPU speed select slow |
J3 |
pins 1 & 2 closed | |
|
CPU speed switchable from keyboard |
J3 |
pins 2 & 3 closed | |
|
Bus speed select fast |
SW1/7 |
Off | |
|
Bus speed select slow |
SW1/7 |
On | |
|
DRAM page mode/page-interleave select auto |
SW1/8 |
On | |
|
DRAM page mode/page-interleave mode select page |
SW1/8 |
Off | |
|
Parallel port interrupt select IRQ7 |
W1 |
pins 1 & 2 closed | |
|
Parallel port interrupt select IRQ5 |
W1 |
pins 2 & 3 closed | |
|
NPU disabled |
W2 |
pins 1 & 2 closed | |
|
NPU enabled |
W2 |
pins 2 & 3 closed | |
|
Serial port 1 interrupt select IRQ4 |
W3 |
pins 2 & 3 closed | |
|
Serial port 1 interrupt select IRQ3 |
W3 |
pins 1 & 2 closed | |
|
Serial port 2 interrupt select IRQ3 |
W4 |
pins 1 & 2 closed | |
|
Serial port 2 interrupt select IRQ4 |
W4 |
pins 2 & 3 closed | |
|
Floppy drive interface enabled |
W5 |
Closed | |
|
Floppy drive interface disabled |
W5 |
Open | |
|
IDE interface disabled |
W12 |
Open | |
|
IDE interface enabled |
W12 |
Closed | |
|
Monitor type select monochrome |
W13 |
pins 1 & 2 closed | |
|
Monitor type select color |
W13 |
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 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) 1M x 36 |
(1) 256K 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) 1M x 36 |
(1) 256K x 36 |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
9MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
|
10MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
13MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
DRAM SWITCH CONFIGURATION | ||||
|
Size |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
1MB |
Off |
On |
On |
On |
|
2MB |
On |
Off |
On |
On |
|
3MB |
Off |
Off |
On |
On |
|
4MB |
On |
On |
Off |
On |
|
4MB |
Off |
Off |
Off |
Off |
|
5MB |
Off |
On |
Off |
On |
|
6MB |
On |
Off |
Off |
On |
|
7MB |
Off |
Off |
Off |
On |
|
8MB |
On |
On |
On |
Off |
|
9MB |
Off |
On |
On |
Off |
|
10MB |
On |
Off |
On |
Off |
|
12MB |
On |
On |
Off |
Off |
|
13MB |
Off |
On |
Off |
Off |
|
16MB |
On |
On |
On |
On |
|
DRAM WAIT STATE CONFIGURATION | |||
|
Wait state |
Read state |
SW1/5 |
SW1/6 |
|
1 |
2 |
On |
Off |
|
1 |
3 |
Off |
On |
|
2 |
3 |
On |
On |
|
PARALLEL PORT CONFIGURATION | ||
|
Setting |
W6 |
W7 |
|
LPT1 |
Closed |
Closed |
|
LPT2 |
Open |
Open |
|
Disabled |
Open |
Closed |
|
Disabled |
Closed |
Open |
|
SERIAL PORT 1 CONFIGURATION | ||
|
Setting |
W6 |
W7 |
|
COM1 |
Closed |
Closed |
|
COM3 |
Open |
Open |
|
Disabled |
Open |
Closed |
|
Disabled |
Closed |
Open |
|
SERIAL PORT 2 CONFIGURATION | ||
|
Setting |
W6 |
W7 |
|
COM2 |
Closed |
Closed |
|
COM4 |
Open |
Open |
|
Disabled |
Open |
Closed |
|
Disabled |
Closed |
Open |