WESTERN DIGITAL CORPORATION
WD286-LPM
|
Processor |
80286 |
|
Processor Speed |
6/12.5/16MHz |
|
Chip Set |
Faraday |
|
Max. Onboard DRAM |
4MB |
|
Cache |
None |
|
BIOS |
Phoenix |
|
Dimensions |
330mm x 198mm |
|
I/O Options |
Parallel port, serial port (2), bus mousse port, floppy drive interface, video interface, IDE interface, proprietary bus expansion slot |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Bus mouse port |
J4 |
Parallel port |
J10 |
|
Reset switch |
J6 |
VGA interface |
J12 |
|
Floppy drive interface |
J7 |
IDE interface |
J14 |
|
Serial port 2 |
J8 |
IDE interface LED/Keylock |
J15 |
|
Serial port 1 |
J9 |
Local bus expansion slot |
S1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
| » |
Monitor type select color |
W3 |
pins 2 & 3 closed |
|
Monitor type select monochrome |
W3 |
pins 1 & 2 closed | |
| » |
Floppy drive interface enabled |
W4 |
pins 2 & 3 closed |
|
Floppy drive interface disabled |
W4 |
pins 1 & 2 closed | |
| » |
Factory configured - do not alter |
W5 |
pins 1 & 2 closed |
| » |
NPU speed select 6MHz |
W9 |
pins 2 & 3 closed |
|
NPU speed select 12.5MHz |
W9 |
pins 1 & 2 closed | |
|
NPU speed select 16MHz |
W9 |
pins 1 & 2 closed | |
| » |
Video port (J12) enabled |
W11 |
pins 2 & 3 closed |
|
Video port (J12)disabled |
W11 |
pins 1 & 2 closed | |
| » |
IDE interface LED enabled |
W12 |
pins 2 & 3 closed |
|
IDE interface LED disabled |
W12 |
pins 1 & 2 closed | |
| » |
Factory configured - do not alter |
W15 |
pins 2 & 3 closed |
| » |
Mouse port interrupt enabled (IRQ12) |
W16 |
Closed |
|
Mouse port interrupt disabled (IRQ12) |
W16 |
Open | |
| » |
Factory configured - do not alter |
W17 |
Open |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(2) 256K x 9 |
(2) 256K x 9 |
|
2MB |
(2) 1M x 9 |
NONE |
|
4MB |
(2) 1M x 9 |
(2) 1M x 9 |
|
Note:Bank 2 is an optional 128KB soldered onto the board on the 12MHz version only. | ||