WESTERN DIGITAL CORPORATION
WD286-WDM2
|
Processor |
80286 |
|
Processor Speed |
12.5MHz |
|
Chip Set |
Faraday |
|
Max. Onboard DRAM |
16MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Parallel port, serial porst (2), PS/2 mouse port, floppy drive interface, ST506/412 interface, video interface, IDE interface |
|
NPU Options |
80287 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
IDE interface (optional) |
J5 |
Floppy drive interface |
J16 |
|
Hard drive access LED |
J10 |
ST506/412 drive control |
J17 |
|
Reset switch |
J11 |
Serial port 1 |
J19 |
|
ST506/412 data (Drive 0) |
J12 |
Serial port 2 |
J20 |
|
ST506/412 data (Drive 1) |
J13 |
Video interface |
J21 |
|
Power LED & keylock |
J14 |
PS/2 mouse port |
J22 |
|
Parallel port (LPT1) |
J15 |
Speaker |
J24 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
| » |
Factory configured - do not alter |
W2 |
N/A |
| » |
Factory configured - do not alter |
W4 |
Open |
| » |
Factory configured - do not alter |
W6 |
Open |
| » |
Factory configured - do not alter |
W7 |
pins 1 & 2 closed |
| » |
Floppy drive IRQ6 enabled |
W8 |
Closed |
|
Floppy drive IRQ6 disabled |
W8 |
Open | |
| » |
Factory configured - do not alter |
W9 |
N/A |
| » |
Keyboard configuration XT compatible |
W12 |
Closed |
|
Keyboard configuration AT compatible |
W12 |
Open | |
| » |
Video IRQ9 enabled |
W13 |
Closed |
|
Video IRQ9 disabled |
W13 |
Open | |
| » |
Factory configured - do not alter |
W14 |
N/A |
| » |
Factory configured - do not alter |
W15 |
N/A |
| » |
Factory configured - do not alter |
W16 |
N/A |
| » |
Mouse IRQ12 enabled |
W17 |
Closed |
|
Mouse IRQ12 disabled |
W17 |
Open | |
| » |
LPT1 (J15) IRQ7 enabled |
W19 |
Closed |
|
LPT1 (J15) IRQ7 disabled |
W19 |
Open | |
| » |
COM2 (J20) IRQ3 enabled |
W20 |
Closed |
|
COM2 (J20) IRQ3 disabled |
W20 |
Open | |
| » |
COM1 (J19) IRQ4 enabled |
W21 |
Closed |
|
COM1 (J19) IRQ4 disabled |
W21 |
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 |
|
8MB |
(2) 4M x 9 |
NONE |
|
10MB |
(2) 1M x 9 |
(2) 4M x 9 |
|
16MB |
(2) 4M x 9 |
(2) 4M x 9 |
|
VIDEO JUMPER CONFIGURATION | ||||||
|
Internal video only | ||||||
|
Monitor type |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
W18 |
|
Monochrome |
Off |
Off |
On |
Off |
Off |
Closed |
|
CGA-40 columns |
On |
Off |
Off |
On |
Off |
Open |
|
CGA-80 columns |
Off |
Off |
Off |
On |
Off |
Open |
|
EGA-200 lines |
On |
On |
On |
Off |
Off |
Open |
|
EGA-350/480 lines |
Off |
On |
On |
Off |
Off |
Open |
|
Internal video as primary-color/External video as secondary-monochrome | ||||||
|
Color monitor type |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
W18 |
|
CGA-40 columns |
On |
Off |
Off |
On |
Off |
Open |
|
CGA-80 columns |
Off |
Off |
Off |
On |
Off |
Open |
|
EGA-200 lines |
On |
On |
On |
Off |
Off |
Open |
|
EGA-350/480 lines |
Off |
On |
On |
Off |
Off |
Open |
|
Internal video as secondary-color/External video as primary-monochrome | ||||||
|
Color monitor type |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
W18 |
|
CGA-40 columns |
On |
On |
On |
On |
Off |
Open |
|
CGA-80 columns |
Off |
On |
On |
On |
Off |
Open |
|
EGA-200 lines |
On |
Off |
On |
On |
Off |
Open |
|
EGA-350/480 lines |
Off |
Off |
On |
On |
Off |
Open |
|
Internal video as primary-monochrome/External video as secondary-color | ||||||
|
Color monitor type |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
W18 |
|
CGA-40 columns |
On |
Off |
On |
Off |
Off |
Open |
|
CGA-80 columns |
Off |
Off |
On |
Off |
Off |
Open |
|
Internal video as secondary-monochrome/External video as primary-color | ||||||
|
Color monitor type |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
W18 |
|
CGA-40 columns |
On |
On |
Off |
On |
Off |
open |
|
CGA-80 columns |
Off |
On |
Off |
On |
Off |
open |
|
HARD DRIVE CONFIGURATION | ||||||
|
Drive type |
W1 |
W3 |
W5 |
W10 |
W11 |
W22 |
|
ST506/412 |
Closed |
Closed |
Closed |
Open |
Open |
Open |
|
IDE |
Open |
Open |
Open |
Closed |
Closed |
Closed |
|
External |
Open |
Open |
Open |
Open |
Open |
Open |
|
Note:An external hard drive may be used secondary to the ST506/412 with the ST506/412 jumper settings. | ||||||