WD286-WDM2 Motherboard Settings and Configuration

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.

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WD286-WDM2 Motherboard Settings and Configuration

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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.