DTK COMPUTER, INC.
PTM-1000 (V1)
|
Processor |
80286 |
|
Processor Speed |
10MHz |
|
Chip Set |
None |
|
Max. Onboard DRAM |
1MB |
|
Cache |
None |
|
BIOS |
DTK |
|
Dimensions |
333mm x 222mm |
|
I/O Options |
None |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J17 |
Turbo switch |
J23 |
|
Power LED & keylock |
J19 |
External battery |
J24 |
|
Turbo LED |
J21 |
Reset switch |
SW2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
Monitor type select color |
J2 |
pins 1 & 2 closed | |
|
Monitor type select monochrome |
J2 |
pins 2 & 3 closed | |
|
DRAM speed select 0 wait states |
J25 |
Open | |
|
DRAM speed select 1 wait state |
J25 |
Closed | |
|
Base memory size select 512KB |
J26 |
pins 1 & 2 closed | |
|
Base memory size select 640KB |
J26 |
pins 2 & 3 closed | |
|
Note:Base memory size select jumper (J26) is only functional when 1MB of DRAM is installed. | |||
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
(18) 41256 |
NONE |
|
640KB |
(18) 41256 |
(18) 4164 |
|
1MB |
(18) 41256 |
(18) 41256 |
|
DRAM JUMPER CONFIGURATION | |
|
Size |
J18 |
|
512KB |
pins 2 & 3 closed |
|
640KB |
pins 1 & 2 closed |
|
1MB |
pins 2 & 3 closed |
|
BIOS CONFIGURATION | ||||
|
Size |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
27128 |
On |
On |
Off |
Off |
|
27256 |
Off |
Off |
On |
On |