DTK COMPUTER, INC.
PEM-2530
Processor |
80386DX |
Processor Speed |
25MHz |
Chip Set |
VLSI |
Max. Onboard DRAM |
16MB (8MB on external memory card) |
Cache |
None |
BIOS |
DTK/Phoenix |
Dimensions |
333mm x 222mm |
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 fast |
W4 |
Open | |
CPU speed select slow |
W4 |
pins 1 & 2 closed | |
CPU speed 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 | |
BIOS type select 27256 |
W8 |
pins 1 & 2 closed | |
BIOS type select 27512 |
W8 |
pins 2 & 3 closed |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
2MB |
(2) 512K x 9 |
(2) 512K x 9 |
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
Note:The 1M x 36 SIPPs are a proprietary DTK design that use two SIPP sockets. |
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 |
8MB |
Off |
Off |
Off |
On |
pins 1 & 2 closed |