DTK COMPUTER, INC.
PEM-2531D
|
Processor |
80386DX |
|
Processor Speed |
25MHz |
|
Chip Set |
DTK |
|
Max. Onboard DRAM |
16MB (8MB on external memory card) |
|
Cache |
None |
|
BIOS |
DTK |
|
Dimensions |
333mm x 222mm |
|
I/O Options |
32-bit external memory card slot (PEI-307) |
|
NPU Options |
80387/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Turbo switch |
J4 |
|
Speaker |
J2 |
Reset switch |
J5 |
|
Turbo LED |
J3 |
32-bit external memory card |
S1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
CPU speed select fast |
J4 |
Open | |
|
CPU speed select slow |
J4 |
pins 1 & 2 closed | |
|
CPU speed select switchable from keyboard |
J4 |
pins 2 & 3 closed | |
|
NPU disabled |
W1 |
pins 2 & 3 closed | |
|
NPU enabled |
W1 |
pins 1 & 2 closed | |
|
Monitor type select monochrome |
W2 |
pins 1 & 2 closed | |
|
Monitor type select color |
W2 |
pins 2 & 3 closed | |
|
Bus speed select CPU/2 |
SW1/7 |
Off | |
|
Bus speed select CPU/4 |
SW1/7 |
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 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
DRAM SWITCH CONFIGURATION | |||||
|
Size |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/8 |
|
1MB |
Off |
On |
On |
On |
Off |
|
2MB |
On |
Off |
On |
On |
On |
|
4MB |
Off |
Off |
Off |
Off |
Off |
|
5MB |
Off |
On |
Off |
On |
Off |
|
8MB |
On |
On |
On |
Off |
On |
|
DRAM WAIT STATE CONFIGURATION | |||
|
Wait state |
Read state |
SW1/5 |
SW1/6 |
|
1 |
3 |
Off |
On |
|
1 |
2 |
On |
Off |
|
2 |
3 |
On |
On |