UNIDENTIFIED
STM S286
|
Processor |
80286 |
|
Processor Speed |
6/8MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
640KB |
|
Maximum Video Memory |
None |
|
Cache |
None |
|
BIOS |
Award |
|
Dimensions |
330mm x 300mm |
|
I/O Options |
None |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Speaker |
J19 |
External battery |
J21 |
|
Power LED & keylock |
J20 |
Chassis fan power |
J101 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Factory configured - do not alter |
J17 |
Unidentified |
|
Monitor type select color |
J100 |
Pins 1 & 2 closed | |
|
Monitor type select monochrome |
J100 |
Pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
640KB |
(18) 41256 |
(18) 4164 |
|
Note: The location of banks 0 & 1 are unidentified. | ||
|
CPU SPEED SELECTION | |
|
Speed |
J102 |
|
6MHz |
Closed |
|
8MHz |
Open |
|
NPU SPEED SELECTION | |
|
Speed |
J103 |
|
4.77MHz |
Pins 1 & 2 closed |
|
8MHz |
Pins 2 & 3 closed |
|
BIOS SELECTION | |
|
Type |
J18 |
|
27128 |
Pins 1 & 2, 3 & 4 closed |
|
27256 |
Pins 5 & 6, 7 & 8 closed |
|
MISCELLANEOUS TECHNICAL NOTE |
|
Note: This board has 6 16-bit slots and 2 8-bit slots. |