WD486-MCB Motherboard Settings and Configuration

WESTERN DIGITAL CORPORATION

WD486-MCB

Processor
80486DX
Processor Speed
25MHz
Chip Set
WD
Max. Onboard DRAM
40MB
Cache
None
BIOS
Intel
Dimensions
330mm x 218mm
I/O Options
Parallel port, serial ports (2), floppy drive interface, SCSI interface, VGA port, bus mouse port, CPU module interface slot, MCA riser card expansion slot
NPU Options
4167

CONNECTIONS
Purpose
Location
Purpose
Location
CPU module interface
J1
Parallel port
J5
MCA riser card
J2
VGA port
J6
Floppy drive interface
J3
SCSI interface
J7
Serial ports (2)
J4
Mouse port
J9

DRAM CONFIGURATION
Size
J10
J11
J12
J13
J14
J15
4MB
(1) 1M x 18
(1) 1M x 18
NONE
NONE
NONE
NONE
4MB
(1) 1M x 36
NONE
NONE
NONE
NONE
NONE
8MB
(1) 1M x 18
(1) 1M x 18
(1) 1M x 18
(1) 1M x 18
NONE
NONE
8MB
(1) 1M x 18
(1) 1M x 18
(1) 1M x 36
NONE
NONE
NONE
8MB
(1) 1M x 36
NONE
(1) 1M x 18
(1) 1M x 18
NONE
NONE
8MB
(1) 1M x 36
NONE
(1) 1M x 36
NONE
NONE
NONE
12MB
(1) 1M x 18
(1) 1M x 18
(1) 1M x 18
(1) 1M x 18
(1) 1M x 36
NONE
12MB
(1) 1M x 18
(1) 1M x 18
(1) 1M x 36
NONE
(1) 1M x 36
NONE
12MB
(1) 1M x 36
NONE
(1) 1M x 18
(1) 1M x 18
(1) 1M x 36
NONE
12MB
(1) 1M x 36
NONE
(1) 1M x 36
(1) 1M x 36
NONE
NONE
16MB
(1) 1M x 18
(1) 1M x 18
(1) 1M x 18
(1) 1M x 18
(1) 1M x 36
(1) 1M x 36
16MB
(1) 1M x 36
NONE
(1) 1M x 18
(1) 1M x 18
(1) 1M x 36
(1) 1M x 36
16MB
(1) 1M x 18
(1) 1M x 18
(1) 1M x 36
NONE
(1) 1M x 36
(1) 1M x 36
16MB
(1) 1M x 36
NONE
(1) 1M x 36
NONE
(1) 1M x 36
(1) 1M x 36
16MB
(1) 4M x 18
(1) 4M x 18
NONE
NONE
NONE
NONE
20MB
(1) 4M x 18
(1) 4M x 18
(1) 1M x 18
(1) 1M x 18
NONE
NONE
20MB
(1) 4M x 18
(1) 4M x 18
(1) 1M x 36
NONE
NONE
NONE
20MB
(1) 4M x 18
(1) 4M x 18
NONE
NONE
(1) 1M x 36
NONE
20MB
(1) 4M x 18
(1) 4M x 18
NONE
NONE
NONE
(1) 1M x 36
24MB
(1) 4M x 18
(1) 4M x 18
(1) 1M x 18
(1) 1M x 18
(1) 1M x 36
NONE
24MB
(1) 4M x 18
(1) 4M x 18
(1) 1M x 18
(1) 1M x 18
NONE
(1) 1M x 36
24MB
(1) 4M x 18
(1) 4M x 18
NONE
NONE
(1) 1M x 36
(1) 1M x 36
24MB
(1) 4M x 18
(1) 4M x 18
(1) 1M x 36
NONE
(1) 1M x 36
NONE
28MB
(1) 4M x 18
(1) 4M x 18
(1) 1M x 18
(1) 1M x 18
(1) 1M x 36
(1) 1M x 36
28MB
(1) 4M x 18
(1) 4M x 18
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
NONE
32MB
(1) 4M x 18
(1) 4M x 18
(1) 4M x 18
(1) 4M x 18
NONE
NONE
36MB
(1) 4M x 18
(1) 4M x 18
(1) 4M x 18
(1) 4M x 18
(1) 1M x 36
NONE
36MB
(1) 4M x 18
(1) 4M x 18
(1) 4M x 18
(1) 4M x 18
NONE
(1) 1M x 36
40MB
(1) 4M x 18
(1) 4M x 18
(1) 4M x 18
(1) 4M x 18
(1) 1M x 36
(1) 1M x 36

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WD486-MCB Motherboard Settings and Configuration

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Processor	80486DX
Processor Speed	25MHz
Chip Set	WD
Max. Onboard DRAM	40MB
Cache	None
BIOS	Intel
Dimensions	330mm x 218mm
I/O Options	Parallel port, serial ports (2), floppy drive interface, SCSI interface, VGA port, bus mouse port, CPU module interface slot, MCA riser card expansion slot
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
CPU module interface	J1	Parallel port	J5
MCA riser card	J2	VGA port	J6
Floppy drive interface	J3	SCSI interface	J7
Serial ports (2)	J4	Mouse port	J9

DRAM CONFIGURATION
Size	J10	J11	J12	J13	J14	J15
4MB	(1) 1M x 18	(1) 1M x 18	NONE	NONE	NONE	NONE
4MB	(1) 1M x 36	NONE	NONE	NONE	NONE	NONE
8MB	(1) 1M x 18	(1) 1M x 18	(1) 1M x 18	(1) 1M x 18	NONE	NONE
8MB	(1) 1M x 18	(1) 1M x 18	(1) 1M x 36	NONE	NONE	NONE
8MB	(1) 1M x 36	NONE	(1) 1M x 18	(1) 1M x 18	NONE	NONE
8MB	(1) 1M x 36	NONE	(1) 1M x 36	NONE	NONE	NONE
12MB	(1) 1M x 18	(1) 1M x 18	(1) 1M x 18	(1) 1M x 18	(1) 1M x 36	NONE
12MB	(1) 1M x 18	(1) 1M x 18	(1) 1M x 36	NONE	(1) 1M x 36	NONE
12MB	(1) 1M x 36	NONE	(1) 1M x 18	(1) 1M x 18	(1) 1M x 36	NONE
12MB	(1) 1M x 36	NONE	(1) 1M x 36	(1) 1M x 36	NONE	NONE
16MB	(1) 1M x 18	(1) 1M x 18	(1) 1M x 18	(1) 1M x 18	(1) 1M x 36	(1) 1M x 36
16MB	(1) 1M x 36	NONE	(1) 1M x 18	(1) 1M x 18	(1) 1M x 36	(1) 1M x 36
16MB	(1) 1M x 18	(1) 1M x 18	(1) 1M x 36	NONE	(1) 1M x 36	(1) 1M x 36
16MB	(1) 1M x 36	NONE	(1) 1M x 36	NONE	(1) 1M x 36	(1) 1M x 36
16MB	(1) 4M x 18	(1) 4M x 18	NONE	NONE	NONE	NONE
20MB	(1) 4M x 18	(1) 4M x 18	(1) 1M x 18	(1) 1M x 18	NONE	NONE
20MB	(1) 4M x 18	(1) 4M x 18	(1) 1M x 36	NONE	NONE	NONE
20MB	(1) 4M x 18	(1) 4M x 18	NONE	NONE	(1) 1M x 36	NONE
20MB	(1) 4M x 18	(1) 4M x 18	NONE	NONE	NONE	(1) 1M x 36
24MB	(1) 4M x 18	(1) 4M x 18	(1) 1M x 18	(1) 1M x 18	(1) 1M x 36	NONE
24MB	(1) 4M x 18	(1) 4M x 18	(1) 1M x 18	(1) 1M x 18	NONE	(1) 1M x 36
24MB	(1) 4M x 18	(1) 4M x 18	NONE	NONE	(1) 1M x 36	(1) 1M x 36
24MB	(1) 4M x 18	(1) 4M x 18	(1) 1M x 36	NONE	(1) 1M x 36	NONE
28MB	(1) 4M x 18	(1) 4M x 18	(1) 1M x 18	(1) 1M x 18	(1) 1M x 36	(1) 1M x 36
28MB	(1) 4M x 18	(1) 4M x 18	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	NONE
32MB	(1) 4M x 18	(1) 4M x 18	(1) 4M x 18	(1) 4M x 18	NONE	NONE
36MB	(1) 4M x 18	(1) 4M x 18	(1) 4M x 18	(1) 4M x 18	(1) 1M x 36	NONE
36MB	(1) 4M x 18	(1) 4M x 18	(1) 4M x 18	(1) 4M x 18	NONE	(1) 1M x 36
40MB	(1) 4M x 18	(1) 4M x 18	(1) 4M x 18	(1) 4M x 18	(1) 1M x 36	(1) 1M x 36