VALUEPLUS MD-SERIES Motherboard Settings and Configuration

ICL

VALUEPLUS MD-SERIES

Processor
80486SX/80487SX/80486DX/80486DX2
Processor Speed
25/33/50(internal)/66(internal)MHz
Chip Set
VIA
Max. Onboard DRAM
64MB
Cache
64/128/256KB
BIOS
AMI/Award
Dimensions
330mm x 218mm
I/O Options
Parallel port, serial port, VGA port, PS/2 mouse port, VGA feature connector, 32-bit VESA local bus slots (2), floppy drive interface, IDE interface
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Serial port 1
CN1
PS/2 mouse port
CN9
Floppy drive interface
CN2
Chassis fan power
J1
IDE interface
CN3
Turbo LED
J2
Parallel port
CN4
IDE interface LED
J3
VGA feature connector
CN5
Power LED & keylock
J4
PS/2 mouse connector
CN6
Reset switch
J5
VGA port
CN8
32-bit VESA local bus slots
SL1 & SL2

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
VGA IRQ9 disabled
J9
Open

VGA IRQ9 enabled
J9
Closed
»
On board VGA enabled
J10
pins 1 & 2 closed

On board VGA disabled
J10
pins 2 & 3 closed
»
Factory configured - do not alter
J11
Open
»
Factory configured - do not alter
JC7
pins 2 & 3 closed
»
Factory configured - do not alter
JK1
pins 1 & 2 closed
»
Factory configured - do not alter
JK2
pins 1 & 2 closed
»
Factory configured - do not alter
JP1
pins 1 & 2 closed
Note: The location of J9 is unidentified.

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
1MB
(1) 256K x 36
NONE
NONE
NONE
2MB
(1) 256K x 36
(1) 256K x 36
NONE
NONE
3MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
NONE
4MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
4MB
(1) 1M x 36
NONE
NONE
NONE
5MB
(1) 1M x 36
(1) 256K x 36
NONE
NONE
6MB
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
NONE
7MB
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
8MB
(1) 1M x 36
(1) 1M x 36
NONE
NONE
12MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
NONE
16MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
16MB
(1) 4M x 36
NONE
NONE
NONE
17MB
(1) 4M x 36
(1) 256K x 36
NONE
NONE
18MB
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
NONE
19MB
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
20MB
(1) 4M x 36
(1) 1M x 36
NONE
NONE
21MB
(1) 4M x 36
(1) 1M x 36
(1) 256K x 36
NONE
22MB
(1) 4M x 36
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
24MB
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
NONE
28MB
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
32MB
(1) 4M x 36
(1) 4M x 36
NONE
NONE
33MB
(1) 4M x 36
(1) 4M x 36
(1) 256K x 36
NONE
34MB
(1) 4M x 36
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
36MB
(1) 4M x 36
(1) 4M x 36
(1) 1M x 36
NONE
40MB
(1) 4M x 36
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
48MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
NONE
64MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36

CACHE CONFIGURATION
Size
Bank 0
Bank 1
TAG
64KB
(4) 8K x 8
(4) 8K x 8
(2) 8K x 8
128KB
(4) 32K x 8
NONE
(2) 8K x 8
256KB
(4) 32K x 8
(4) 32K x 8
(2) 32K x 8

CACHE JUMPER CONFIGURATION
Size
JS1
JS2
JS3
64KB
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2 closed
128KB
pins 2 & 3 closed
pins 1 & 2 closed
pins 1 & 2 closed
256KB
pins 2 & 3 closed
pins 2 & 3 closed
pins 2 & 3 closed

CPU TYPE CONFIGURATION
Type
JC1
JC2
JC3
JK5
80486SX-25
pins 2 & 3 closed
pins 2 & 3 closed
pins 2 & 3 closed
pins 3 & 4 closed
80487SX-25
pins 1 & 2 closed
pins 1 & 2 closed
pins 2 & 3 closed
pins 3 & 4 closed
80486DX-25
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2 closed
pins 3 & 4 closed
80486DX-33
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2, 7 & 8 closed
80486DX2-50
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2 closed
pins 3 & 4 closed
80486DX2-66
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2, 7 & 8 closed

VRAM CONFIGURATION
Size
Bank 0
Bank 1
1MB
(1) 256K x 16
NONE
2MB
(1) 256K x 16
(1) 256K x 16

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VALUEPLUS MD-SERIES Motherboard Settings and Configuration

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Processor	80486SX/80487SX/80486DX/80486DX2
Processor Speed	25/33/50(internal)/66(internal)MHz
Chip Set	VIA
Max. Onboard DRAM	64MB
Cache	64/128/256KB
BIOS	AMI/Award
Dimensions	330mm x 218mm
I/O Options	Parallel port, serial port, VGA port, PS/2 mouse port, VGA feature connector, 32-bit VESA local bus slots (2), floppy drive interface, IDE interface
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	CN1	PS/2 mouse port	CN9
Floppy drive interface	CN2	Chassis fan power	J1
IDE interface	CN3	Turbo LED	J2
Parallel port	CN4	IDE interface LED	J3
VGA feature connector	CN5	Power LED & keylock	J4
PS/2 mouse connector	CN6	Reset switch	J5
VGA port	CN8	32-bit VESA local bus slots	SL1 & SL2

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	VGA IRQ9 disabled	J9	Open
	VGA IRQ9 enabled	J9	Closed
»	On board VGA enabled	J10	pins 1 & 2 closed
	On board VGA disabled	J10	pins 2 & 3 closed
»	Factory configured - do not alter	J11	Open
»	Factory configured - do not alter	JC7	pins 2 & 3 closed
»	Factory configured - do not alter	JK1	pins 1 & 2 closed
»	Factory configured - do not alter	JK2	pins 1 & 2 closed
»	Factory configured - do not alter	JP1	pins 1 & 2 closed
Note: The location of J9 is unidentified.

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(1) 256K x 36	NONE	NONE	NONE
2MB	(1) 256K x 36	(1) 256K x 36	NONE	NONE
3MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	NONE
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
4MB	(1) 1M x 36	NONE	NONE	NONE
5MB	(1) 1M x 36	(1) 256K x 36	NONE	NONE
6MB	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36	NONE
7MB	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
8MB	(1) 1M x 36	(1) 1M x 36	NONE	NONE
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	NONE
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 4M x 36	NONE	NONE	NONE
17MB	(1) 4M x 36	(1) 256K x 36	NONE	NONE
18MB	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36	NONE
19MB	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
20MB	(1) 4M x 36	(1) 1M x 36	NONE	NONE
21MB	(1) 4M x 36	(1) 1M x 36	(1) 256K x 36	NONE
22MB	(1) 4M x 36	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36
24MB	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36	NONE
28MB	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
32MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE
33MB	(1) 4M x 36	(1) 4M x 36	(1) 256K x 36	NONE
34MB	(1) 4M x 36	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36
36MB	(1) 4M x 36	(1) 4M x 36	(1) 1M x 36	NONE
40MB	(1) 4M x 36	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36
48MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	NONE
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
64KB	(4) 8K x 8	(4) 8K x 8	(2) 8K x 8
128KB	(4) 32K x 8	NONE	(2) 8K x 8
256KB	(4) 32K x 8	(4) 32K x 8	(2) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JS1	JS2	JS3
64KB	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed
128KB	pins 2 & 3 closed	pins 1 & 2 closed	pins 1 & 2 closed
256KB	pins 2 & 3 closed	pins 2 & 3 closed	pins 2 & 3 closed

CPU TYPE CONFIGURATION
Type	JC1	JC2	JC3	JK5
80486SX-25	pins 2 & 3 closed	pins 2 & 3 closed	pins 2 & 3 closed	pins 3 & 4 closed
80487SX-25	pins 1 & 2 closed	pins 1 & 2 closed	pins 2 & 3 closed	pins 3 & 4 closed
80486DX-25	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	pins 3 & 4 closed
80486DX-33	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2, 7 & 8 closed
80486DX2-50	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	pins 3 & 4 closed
80486DX2-66	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2, 7 & 8 closed

VRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(1) 256K x 16	NONE
2MB	(1) 256K x 16	(1) 256K x 16