DTK COMPUTER, INC.
KEEN-4000, GRAFIKA 3E, PEM 4000
|
Processor |
80386DX |
|
Processor Speed |
25/33MHz |
|
Chip Set |
VLSI |
|
Max. Onboard DRAM |
16MB (8MB on external memory card) |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit external memory card slot |
|
NPU Options |
80387/3167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
J1 |
Speaker |
J4 |
|
Turbo LED |
J2 |
32-bit external memory card |
S1 |
|
Reset switch |
J3 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
Monitor type select color |
SW1/6 |
On | |
|
Monitor type select monochrome |
SW1/6 |
Off | |
|
NPU disabled |
W1 |
Closed | |
|
NPU enabled |
W1 |
Open | |
|
CPU speed select switchable from keyboard |
W6 |
Pins 2 & 3 closed | |
|
CPU speed select forced slow |
W6 |
Pins 1 & 2 closed | |
|
CPU speed select forced fast |
W6 |
Open | |
|
BIOS type select 27256 |
W7 |
Pins 1 & 2 closed | |
|
BIOS type select 27512 |
W7 |
Pins 2 & 3 closed | |
|
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 JUMPER/SWITCH CONFIGURATION | |||||||
|
Size |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
W2 |
W3 |
|
1MB |
On |
On |
On |
On |
On |
2 & 3 |
2 & 3 |
|
2MB |
On |
On |
On |
On |
On |
2 & 3 |
2 & 3 |
|
4MB |
On |
On |
Off |
On |
Off |
1 & 2 |
1 & 2 |
|
5MB |
Off |
On |
Off |
Off |
On |
2 & 3 |
1 & 2 |
|
8MB |
Off |
On |
Off |
Off |
Off |
1 & 2 |
1 & 2 |
|
Note:Pins designated should be in the closed position. | |||||||
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
TAG |
|
64KB |
(8) 16K x 4 |
(2) 16K x 4 |
|
256KB |
(8) 64K x 4 |
(2) 64K x 4 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
W4 |
W5 |
|
64KB |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
256KB |
Pins 2 & 3 closed |
Pins 2 & 3 closed |