486F39X, 486VL VIII Motherboard Settings and Configuration

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486F39X, 486VL VIII

Processor
CX486S/80486SX/80486SX2/CX486DX/80486DX/CX486DX2/80486DX2/ 80486DX4/Pentium Overdrive
Processor Speed
25/33/40/50(internal)/50/66(internal)MHz
Chip Set
OPTI
Max. Onboard DRAM
64MB
Cache
128/256/512KB
BIOS
Award
Dimensions
330mm x 218mm
I/O Options
32-bit VESA local bus slots (3), green PC connector
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Turbo switch
J1
Break switch
J6
Turbo LED
J2
External battery
J7
Reset switch
J3
Green PC connector
JP2
Power LED & keylock
J4
Green PC connector
JP3
Speaker
J5
32-bit VESA Local bus slots
SL1 - SL3

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
CMOS memory normal operation
JP4
pins 2 & 3 closed

CMOS memory clear
JP4
pins 1 & 2 closed

DRAM CONFIGURATION (GROUP 1)
Size
Bank 0
Bank 1
Bank 2
1MB
(4) 256Kx 9
NONE
NONE
2MB
(4) 256K x 9
(1) 256K x 36
NONE
4MB
(4) 256K x 9
(1) 256K x 36
(1) 512K x 36
4MB
(4) 1M x 9
NONE
NONE
5MB
(4) 256K x 9
(1) 1M x 36
NONE
6MB
(4) 256K x 9
(1) 256K x 36
(1) 1M x 36
8MB
(4) 1M x 9
(1) 1M x 36
NONE
10MB
(4) 256K x 9
(1) 256K x 36
(1) 2M x 36
12MB
(4) 1M x 9
(1) 1M x 36
(1) 1M x 36
16MB
(4) 4M x 9
NONE
NONE
16MB
(4) 1M x 9
(1) 1M x 36
(1) 2M x 36
17MB
(4) 256K x 9
(1) 4M x 36
NONE
18MB
(4) 256K x 9
(1) 256K x 36
(1) 4M x 36
20MB
(4) 1M x 9
(1) 4M x 36
NONE
24MB
(4) 1M x 9
(1) 1M x 36
(1) 4M x 36
32MB
(4) 4M x 9
(1) 4M x 36
NONE
36MB
(4) 1M x 9
(1) 4M x 36
(1) 4M x 36
40MB
(4) 1M x 9
(1) 1M x 36
(1) 8M x 36
48MB
(4) 4M x 9
(1) 4M x 36
(1) 4M x 36
64MB
(4) 4M x 9
(1) 4M x 36
(1) 8M x 36

DRAM CONFIGURATION (GROUP 2)
Size
Bank 0
Bank 1
Bank 2
1MB
NONE
(1) 256K x 36
NONE
2MB
NONE
(1) 256K x 36
(1) 256K x 36
4MB
NONE
(1) 1M x 36
NONE
5MB
NONE
(1) 256K x 36
(1) 1M x 36
8MB
NONE
(1) 1M x 36
(1) 1M x 36
16MB
NONE
(1) 4M x 36
NONE
17MB
NONE
(1) 256K x 36
(1) 4M x 36
20MB
NONE
(1) 1M x 36
(1) 4M x 36
32MB
NONE
(1) 4M x 36
(1) 4M x 36

DRAM CONFIGURATION (GROUP 3)
Size
Bank 0
Bank 1
Bank 2
2MB
NONE
(1) 512K x 36
NONE
4MB
NONE
(1) 512K x 36
(1) 512K x 36
6MB
NONE
(1) 512K x 36
(1) 1M x 36
8MB
NONE
(1) 2M x 36
NONE
10MB
NONE
(1) 512K x 36
(1) 2M x 36
12MB
NONE
(1) 2M x 36
(1) 1M x 36
16MB
NONE
(1) 2M x 36
(1) 2M x 36
18MB
NONE
(1) 512K x 36
(1) 4M x 36
24MB
NONE
(1) 2M x 36
(1) 4M x 36
32MB
NONE
(1) 8M x 36
NONE
40MB
NONE
(1) 2M x 36
(1) 8M x 36
48MB
NONE
(1) 8M x 36
(1) 4M x 36
64MB
NONE
(1) 8M x 36
(1) 8M x 36

DRAM JUMPER CONFIGURATION
Group
JP31
Group 1
pins 2 & 3, 4 & 5 closed
Group 2
pins 1 & 2, 3 & 4 closed
Group 3
pins 1 & 2, 4 & 5 closed

CACHE CONFIGURATION
Size
Bank 0
Bank 1
TAG
128KB
(4) 32K x 8
NONE
(1) 8K x 8
256KB
(4) 32K x 8
(4) 32K x 8
(1) 16K x 8 or (1) 32K x 8
256KB
(4) 64K x 8
NONE
(1) 16K x 8 or (1) 32K x 8
512KB
(4) 64K x 8
(4) 64K x 8
(1) 32K x 8
512KB
(4) 128K x 8
NONE
(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size
JP12
JP21
128KB
pins 1 & 2 closed
Open
256KB
pins 2 & 3 closed
Open
256KB
pins 1 & 2, 3 & 4 closed
Open
512KB
pins 2 & 3, 4 & 5 closed
Closed
512KB
pins 1 & 2, 3 & 4 closed
Closed

CPU TYPE CONFIGURATION
Type
JP6
JP7
CX486S
1 & 2, 3 & 4
2 & 3, 4 & 5, 7 & 8, 9 & 10
80486SX/SX2
2 & 3, 4 & 5
1 & 2, 3 & 4, 6 & 7, 8 & 9
CX486DX
1 & 2, 3 & 4
2 & 3, 4 & 5, 7 & 8, 9 & 10
CX486DX2
1 & 2, 3 & 4
2 & 3, 4 & 5, 7 & 8, 9 & 10
80486DX/DX2
2 & 3, 4 & 5
1 & 2, 3 & 4, 6 & 7, 8 & 9
80486DX4 (2x)
2 & 3, 4 & 5
1 & 2, 3 & 4, 6 & 7, 8 & 9
80486DX4 (2.5x)
2 & 3, 4 & 5
1 & 2, 3 & 4, 6 & 7, 8 & 9
80486DX4 (3x)
2 & 3, 4 & 5
1 & 2, 3 & 4, 6 & 7, 8 & 9
Overdrive
2 & 3, 4 & 5
1 & 2, 3 & 4, 6 & 7, 8 & 9
Pentium Overdrive
1 & 2, 4 & 5
1 & 2, 3 & 4, 6 & 7, 8 & 9
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type
JP11
JP14
JP15
CX486S
Open
2 & 3, 5 & 6
3 & 4
80486SX/SX2
Open
2 & 3, 4 & 5, 6 & 7
3 & 4
CX486DX
Open
3 & 4
1 & 2, 5 & 6
CX486DX2
Open
1 & 2, 5 & 6
1 & 2, 3 & 4
80486DX/DX2
Open
1 & 2, 4 & 5, 6 & 7
3 & 4
80486DX4 (2x)
2 & 3
1 & 2, 4 & 5, 6 & 7
3 & 4
80486DX4 (2.5x)
1 & 2
1 & 2, 4 & 5, 6 & 7
3 & 4
80486DX4 (3x)
Open
1 & 2, 4 & 5, 6 & 7
3 & 4
Overdrive
Open
1 & 2, 4 & 5, 6 & 7
3 & 4
Pentium Overdrive
Open
1 & 2, 4 & 5, 6 & 7
4 & 5
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed
JP17
JP19
JP20
25MHz
Closed
Open
Closed
33MHz
Closed
Closed
Open
40MHz
Open
Open
Closed
50iMHz
Closed
Open
Closed
50MHz
Open
Closed
Open
66iMHz
Closed
Closed
Open

BUS SPEED CONFIGURATION
CPU speed
JP24
<=33MHz
Open
>33MHz
Closed

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Processor	CX486S/80486SX/80486SX2/CX486DX/80486DX/CX486DX2/80486DX2/ 80486DX4/Pentium Overdrive
Processor Speed	25/33/40/50(internal)/50/66(internal)MHz
Chip Set	OPTI
Max. Onboard DRAM	64MB
Cache	128/256/512KB
BIOS	Award
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slots (3), green PC connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo switch	J1	Break switch	J6
Turbo LED	J2	External battery	J7
Reset switch	J3	Green PC connector	JP2
Power LED & keylock	J4	Green PC connector	JP3
Speaker	J5	32-bit VESA Local bus slots	SL1 - SL3

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	JP4	pins 2 & 3 closed
	CMOS memory clear	JP4	pins 1 & 2 closed

DRAM CONFIGURATION (GROUP 1)
Size	Bank 0	Bank 1	Bank 2
1MB	(4) 256Kx 9	NONE	NONE
2MB	(4) 256K x 9	(1) 256K x 36	NONE
4MB	(4) 256K x 9	(1) 256K x 36	(1) 512K x 36
4MB	(4) 1M x 9	NONE	NONE
5MB	(4) 256K x 9	(1) 1M x 36	NONE
6MB	(4) 256K x 9	(1) 256K x 36	(1) 1M x 36
8MB	(4) 1M x 9	(1) 1M x 36	NONE
10MB	(4) 256K x 9	(1) 256K x 36	(1) 2M x 36
12MB	(4) 1M x 9	(1) 1M x 36	(1) 1M x 36
16MB	(4) 4M x 9	NONE	NONE
16MB	(4) 1M x 9	(1) 1M x 36	(1) 2M x 36
17MB	(4) 256K x 9	(1) 4M x 36	NONE
18MB	(4) 256K x 9	(1) 256K x 36	(1) 4M x 36
20MB	(4) 1M x 9	(1) 4M x 36	NONE
24MB	(4) 1M x 9	(1) 1M x 36	(1) 4M x 36
32MB	(4) 4M x 9	(1) 4M x 36	NONE
36MB	(4) 1M x 9	(1) 4M x 36	(1) 4M x 36
40MB	(4) 1M x 9	(1) 1M x 36	(1) 8M x 36
48MB	(4) 4M x 9	(1) 4M x 36	(1) 4M x 36
64MB	(4) 4M x 9	(1) 4M x 36	(1) 8M x 36

DRAM CONFIGURATION (GROUP 2)
Size	Bank 0	Bank 1	Bank 2
1MB	NONE	(1) 256K x 36	NONE
2MB	NONE	(1) 256K x 36	(1) 256K x 36
4MB	NONE	(1) 1M x 36	NONE
5MB	NONE	(1) 256K x 36	(1) 1M x 36
8MB	NONE	(1) 1M x 36	(1) 1M x 36
16MB	NONE	(1) 4M x 36	NONE
17MB	NONE	(1) 256K x 36	(1) 4M x 36
20MB	NONE	(1) 1M x 36	(1) 4M x 36
32MB	NONE	(1) 4M x 36	(1) 4M x 36

DRAM CONFIGURATION (GROUP 3)
Size	Bank 0	Bank 1	Bank 2
2MB	NONE	(1) 512K x 36	NONE
4MB	NONE	(1) 512K x 36	(1) 512K x 36
6MB	NONE	(1) 512K x 36	(1) 1M x 36
8MB	NONE	(1) 2M x 36	NONE
10MB	NONE	(1) 512K x 36	(1) 2M x 36
12MB	NONE	(1) 2M x 36	(1) 1M x 36
16MB	NONE	(1) 2M x 36	(1) 2M x 36
18MB	NONE	(1) 512K x 36	(1) 4M x 36
24MB	NONE	(1) 2M x 36	(1) 4M x 36
32MB	NONE	(1) 8M x 36	NONE
40MB	NONE	(1) 2M x 36	(1) 8M x 36
48MB	NONE	(1) 8M x 36	(1) 4M x 36
64MB	NONE	(1) 8M x 36	(1) 8M x 36

DRAM JUMPER CONFIGURATION
Group	JP31
Group 1	pins 2 & 3, 4 & 5 closed
Group 2	pins 1 & 2, 3 & 4 closed
Group 3	pins 1 & 2, 4 & 5 closed

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
128KB	(4) 32K x 8	NONE	(1) 8K x 8
256KB	(4) 32K x 8	(4) 32K x 8	(1) 16K x 8 or (1) 32K x 8
256KB	(4) 64K x 8	NONE	(1) 16K x 8 or (1) 32K x 8
512KB	(4) 64K x 8	(4) 64K x 8	(1) 32K x 8
512KB	(4) 128K x 8	NONE	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP12	JP21
128KB	pins 1 & 2 closed	Open
256KB	pins 2 & 3 closed	Open
256KB	pins 1 & 2, 3 & 4 closed	Open
512KB	pins 2 & 3, 4 & 5 closed	Closed
512KB	pins 1 & 2, 3 & 4 closed	Closed

CPU TYPE CONFIGURATION
Type	JP6	JP7
CX486S	1 & 2, 3 & 4	2 & 3, 4 & 5, 7 & 8, 9 & 10
80486SX/SX2	2 & 3, 4 & 5	1 & 2, 3 & 4, 6 & 7, 8 & 9
CX486DX	1 & 2, 3 & 4	2 & 3, 4 & 5, 7 & 8, 9 & 10
CX486DX2	1 & 2, 3 & 4	2 & 3, 4 & 5, 7 & 8, 9 & 10
80486DX/DX2	2 & 3, 4 & 5	1 & 2, 3 & 4, 6 & 7, 8 & 9
80486DX4 (2x)	2 & 3, 4 & 5	1 & 2, 3 & 4, 6 & 7, 8 & 9
80486DX4 (2.5x)	2 & 3, 4 & 5	1 & 2, 3 & 4, 6 & 7, 8 & 9
80486DX4 (3x)	2 & 3, 4 & 5	1 & 2, 3 & 4, 6 & 7, 8 & 9
Overdrive	2 & 3, 4 & 5	1 & 2, 3 & 4, 6 & 7, 8 & 9
Pentium Overdrive	1 & 2, 4 & 5	1 & 2, 3 & 4, 6 & 7, 8 & 9
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	JP11	JP14	JP15
CX486S	Open	2 & 3, 5 & 6	3 & 4
80486SX/SX2	Open	2 & 3, 4 & 5, 6 & 7	3 & 4
CX486DX	Open	3 & 4	1 & 2, 5 & 6
CX486DX2	Open	1 & 2, 5 & 6	1 & 2, 3 & 4
80486DX/DX2	Open	1 & 2, 4 & 5, 6 & 7	3 & 4
80486DX4 (2x)	2 & 3	1 & 2, 4 & 5, 6 & 7	3 & 4
80486DX4 (2.5x)	1 & 2	1 & 2, 4 & 5, 6 & 7	3 & 4
80486DX4 (3x)	Open	1 & 2, 4 & 5, 6 & 7	3 & 4
Overdrive	Open	1 & 2, 4 & 5, 6 & 7	3 & 4
Pentium Overdrive	Open	1 & 2, 4 & 5, 6 & 7	4 & 5
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed	JP17	JP19	JP20
25MHz	Closed	Open	Closed
33MHz	Closed	Closed	Open
40MHz	Open	Open	Closed
50iMHz	Closed	Open	Closed
50MHz	Open	Closed	Open
66iMHz	Closed	Closed	Open

BUS SPEED CONFIGURATION
CPU speed	JP24
<=33MHz	Open
>33MHz	Closed