DTK COMPUTER, INC.
PEM-2035
Processor |
80386DX |
Processor Speed |
20MHz |
Chip Set |
VLSI |
Max. Onboard DRAM |
16MB (8MB on external memory card) |
Cache |
None |
BIOS |
DTK |
Dimensions |
333mm x 222.5mm |
I/O Options |
32-bit external memory card slot (PEI-306) |
NPU Options |
80387/3167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Power LED & keylock |
J1 |
32-bit external memory card |
S1 |
Reset switch |
J2 |
Turbo switch |
W4 |
Speaker |
J3 |
Turbo LED |
W5 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
DRAM (16-bit) speed select 2 wait state |
W2 |
pins 2 & 3 closed |
DRAM (16-bit) speed select 1 wait state |
W2 |
pins 1 & 2 closed | |
» |
DRAM (8-bit) speed select 5 wait state |
W3 |
pins 2 & 3 closed |
DRAM (8-bit) speed select 4 wait state |
W3 |
pins 1 & 2 closed | |
» |
CPU speed select 20MHz |
W4 |
Open |
CPU speed select 8MHz |
W4 |
pins 1 & 2 closed | |
CPU speed select switchable from keyboard |
W4 |
pins 2 & 3 closed | |
» |
Monitor type select monochrome |
W6 |
pins 1 & 2 closed |
Monitor type select color |
W6 |
pins 2 & 3 closed | |
» |
NPU disabled |
W7 |
pins 2 & 3 closed |
NPU enabled |
W7 |
pins 1 & 2 closed |
DRAM CONFIGURATION | |
Size |
Bank 0 |
1MB |
(4) 256K x 9 |
2MB |
(4) 512K x 9 |
4MB |
(4) 1M x 9 |
Note:The 512K x 9 SIPP module is a proprietary DTK design. |
DRAM JUMPER/SWITCH CONFIGURATION | |||||
Size |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
W1 |
1MB |
On |
On |
On |
On |
pins 2 & 3 closed |
2MB |
On |
Off |
On |
On |
pins 2 & 3 closed |
4MB |
Off |
On |
On |
Off |
pins 1 & 2 closed |