DTK COMPUTER, INC.
GRAFIKA 3A
|
Processor |
80386SX |
|
Processor Speed |
20MHz |
|
Chip Set |
C & T |
|
Max. Onboard DRAM |
5MB |
|
Cache |
None |
|
BIOS |
DTK |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
80387SX |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
CPU frequency connector |
J1 |
Turbo LED |
J5 |
|
Power LED & keylock |
J2 |
Reset switch |
J6 |
|
Turbo switch |
J3 |
External battery |
J7 |
|
Speaker |
J4 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
BIOS type select 27256 |
W7 |
pins 1 & 2 closed |
|
BIOS type select 27128 |
W7 |
pins 2 & 3 closed | |
|
|
Pipeline mode enabled |
W8 |
pins 2 & 3 closed |
|
Pipeline mode disabled |
W8 |
pins 1 & 2 closed | |
|
|
NPU disabled |
W9 |
pins 2 & 3 closed |
|
NPU enabled |
W9 |
pins 1 & 2 closed | |
|
|
Power good signal detect from power supply |
W11 |
pins 2 & 3 closed |
|
Power good signal detect from board |
W11 |
pins 1 & 2 closed | |
|
|
Monitor type select monochrome |
W12 |
pins 1 & 2 closed |
|
Monitor type select color |
W12 |
pins 2 & 3 closed | |
|
|
Battery type select external |
W13 |
pins 1 & 2 closed |
|
Battery type select internal |
W13 |
pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||||||
|
Size |
Bank 0 |
P 0 |
Bank 1 |
P 1 |
Bank 2 |
Bank 3 |
|
512KB |
(4) 44256 |
(2) 41256 |
NONE |
NONE |
NONE |
NONE |
|
640KB |
(4) 44256 |
(2) 41256 |
(4) 4164 |
(2) 41256 |
NONE |
NONE |
|
1MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
NONE |
NONE |
|
1.5MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
(2) 256K x 9 |
NONE |
|
2MB (A) |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB (B) |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
NONE |
|
3MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
(2) 1M x 9 |
NONE |
|
4MB |
NONE |
NONE |
NONE |
NONE |
(2) 1M x 9 |
(2) 1M x 9 |
|
5MB |
(4) 44256 |
(2) 41256 |
(4) 44256 |
(2) 41256 |
(2) 1M x 9 |
(2) 1M x 9 |
|
DRAM JUMPER CONFIGURATION | ||||||
|
Size |
W1 |
W2 |
W3 |
W4 |
W5 |
W6 |
|
512KB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
640KB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
1MB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
1.5MB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
2MB (A) |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
2MB (B) |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
3MB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
4MB |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
5MB |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | ||||||