DTK COMPUTER, INC.
GRAFIKA 3B/KEEN-2531
|
Processor |
80386SX |
|
Processor Speed |
25MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
16MB (8MB on external memory card) |
|
Cache |
None |
|
BIOS |
DTK |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit external memory card (PEI-307) |
|
NPU Options |
80387SX/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Turbo switch |
J4 |
|
Speaker |
J2 |
Reset switch |
J5 |
|
Turbo LED |
J3 |
32-bit system memory card |
SL1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
|
Factory configured - do not alter |
SW1/7 |
Off |
|
|
Page interleave mode enabled |
SW1/8 |
On |
|
Page mode enabled |
SW1/8 |
Off | |
|
|
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 | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(4) 256K x 9 |
NONE |
NONE |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
NONE |
|
3MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
NONE |
|
4MB (A) |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB (B) |
(4) 1M x 9 |
NONE |
NONE |
NONE |
|
5MB |
(4) 1M x 9 |
(4) 256K x 9 |
NONE |
NONE |
|
6MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
NONE |
|
7MB |
(4) 256K x 9 |
(4) 256K x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
NONE |
|
9MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
NONE |
|
10MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
(4) 256K x 9 |
|
12MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
NONE |
|
13MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 256K x 9 |
|
16MB |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
(4) 1M x 9 |
|
Note: Banks 2 & 3 are located on the external memory card. | ||||
|
DRAM SWITCH CONFIGURATION | ||||
|
Size |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
Size |
Off |
On |
On |
On |
|
1MB |
On |
Off |
On |
On |
|
2MB |
Off |
Off |
Off |
Off |
|
3MB |
Off |
On |
Off |
On |
|
4MB (A) |
On |
On |
On |
Off |
|
4MB (B) |
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 | ||||
|
Write wait state |
Read wait state |
SW1/5 |
SW1/6 | |
|
1 |
2 |
On |
Off | |
|
1 |
3 |
Off |
On | |
|
2 |
3 |
On |
On | |
|
CPU SPEED CONFIGURATION | |
|
Speed |
J4 |
|
12.5MHz |
pins 1 & 2 closed |
|
Controlled by keyboard |
pins 2 & 3 closed |
|
25MHz |
Open |
|
DRAM JUMPER CONFIGURATION | |||||||
|
Size |
W1 |
W2 |
W3 |
W4 |
W5 |
W6 |
W7 |
|
1MB |
N/A |
N/A |
Open |
N/A |
N/A |
N/A |
N/A |
|
2MB |
N/A |
N/A |
Open |
N/A |
N/A |
N/A |
N/A |
|
3MB |
2 & 3 |
N/A |
Closed |
2 & 3 |
N/A |
2 & 3 |
N/A |
|
4MB (A) |
2 & 3 |
2 & 3 |
Open |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
4MB (B) |
N/A |
N/A |
Closed |
N/A |
N/A |
N/A |
N/A |
|
5MB |
N/A |
N/A |
Open |
N/A |
N/A |
N/A |
N/A |
|
6MB |
2 & 3 |
N/A |
Closed |
2 & 3 |
N/A |
2 & 3 |
N/A |
|
7MB |
2 & 3 |
2 & 3 |
Closed |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
8MB |
N/A |
N/A |
Open |
N/A |
N/A |
N/A |
N/A |
|
9MB |
2 & 3 |
N/A |
Closed |
2 & 3 |
N/A |
2 & 3 |
N/A |
|
10MB |
2 & 3 |
2 & 3 |
Closed |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
12MB |
1 & 2 |
N/A |
Closed |
1 & 2 |
N/A |
1 & 2 |
N/A |
|
13MB |
1 & 2 |
2 & 3 |
Closed |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
|
16MB |
1 & 2 |
1 & 2 |
Closed |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
Note: Pins designated should be in the closed position. Banks 0 & 1 are located on the mainboard. | |||||||