DTK COMPUTER, INC.
PTM-1200
|
Processor |
80286 (exact location unidentified) |
|
Processor Speed |
12MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
1MB |
|
Cache |
None |
|
BIOS |
IBM/DTK |
|
Dimensions |
355mm x 305mm |
|
I/O Options |
None |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J1 |
Turbo LED |
J4 |
|
Power LED & keylock |
J2 |
Turbo switch |
J5 |
|
Reset switch |
J3 |
External battery |
J8 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Switch |
Position | |
|
Monitor type select color |
SW1/6 |
On | |
|
Monitor type select monochrome |
SW1/6 |
Off | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
512KB |
(9) 41256 |
(9) 41256 |
NONE |
NONE |
|
640KB |
(9) 41256 |
(9) 41256 |
(9) 4164 |
(9) 4164 |
|
1MB |
(9) 41256 |
(9) 41256 |
(9) 41256 |
(9) 41256 |
|
DRAM SWITCH CONFIGURATION | ||||
|
Base memory |
Extended |
Total memory |
SW1/2 |
SW1/3 |
|
640KB |
NONE |
640KB |
N/A |
On |
|
640KB |
NONE |
640KB |
N/A |
On |
|
640KB |
384KB |
1MB |
On |
N/A |
|
512KB |
512KB |
1MB |
Off |
N/A |
|
DRAM WAIT STATE CONFIGURATION | ||||
|
DRAM bank |
Wait state |
SW1/1 |
SW1/4 |
SW1/5 |
|
Banks 1 - 4 |
1 |
On |
Off |
Off |
|
Banks 0 & 1 |
0 |
Off |
Off |
N/A |
|
Banks 0 & 1 |
1 |
Off |
On |
N/A |
|
Banks 2 & 3 |
0 |
Off |
N/A |
Off |
|
Banks 2 & 3 |
1 |
Off |
N/A |
On |
|
BIOS CONFIGURATION | ||||
|
Size |
SW1/7 |
SW1/8 |
SW1/9 |
SW1/10 |
|
27128 |
On |
On |
Off |
Off |
|
27256 |
Off |
Off |
On |
On |