J-403TG 486 GREEN VLB (V2.0) Motherboard Settings and Configuration

Processor	80486SX/SL80486SX/80486DX/SL80486DX/CXM7/CXM72/80486DX4
Processor Speed	25/33/40/50(internal)/66(internal)/100(internal)MHz
Chip Set	OPTI
Video Chip Set	None
Maximum Onboard Memory	128MB
Maximum Video Memory	None
Cache	64/128/256KB
BIOS	AMI/Award
Dimensions	254mm 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	External battery	J6
Reset switch	J2	Green PC connector	JP16
Speaker	J3	Green PC connector (monitor)	JP19
Power LED & keylock	J4	Green PC LED	JP23
Turbo LED	J5	32-bit VESA local bus slots	SL1 - SL3

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Jumper information unavailable	JP2	Unidentified
	Jumper information unavailable	JP3	Unidentified
	Jumper information unavailable	JP4	Unidentified
	Jumper information unavailable	JP6	Unidentified
	Jumper information unavailable	JP11	Unidentified
	Jumper information unavailable	JP14	Unidentified
»	CMOS memory normal operation	JP15	Pins 2 & 3 closed
	CMOS memory clear	JP15	Pins 1 & 2 closed
	Jumper information unavailable	JP29	Unidentified
	Jumper information unavailable	JP30	Unidentified
	Jumper information unavailable	JP37	Unidentified
	Jumper information unavailable	JP39	Unidentified
	Jumper information unavailable	JP40	Unidentified
	Jumper information unavailable	JP51	Unidentified

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
2MB (A)	(4) 256K x 9	(1) 256K x 36	None	None
2MB (B)	None	(1) 512K x 36	None	None
4MB (A)	(4) 1M x 9	None	None	None
4MB (B)	None	(1) 1M x 36	None	None
4MB (C)	(4) 256K x 9	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
4MB (D)	None	(1) 512K x 36	(1) 512K x 36	None
5MB	(4) 256K x 9	(1) 1M x 36	None	None
6MB (A)	(4) 256K x 9	(1) 256K x 36	(1) 1M x 36	None
6MB (B)	None	(1) 512K x 36	(1) 1M x 36	None
8MB (A)	(4) 1M x 9	(1) 1M x 36	None	None
8MB (B)	None	(1) 2M x 36	None	None
8MB (C)	None	(1) 1M x 36	(1) 1M x 36	None
10MB (A)	(4) 256K x 9	(1) 256K x 36	(1) 2M x 36	None
10MB (B)	(4) 256K x 9	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36
10MB (C)	None	(1) 512K x 36	(1) 2M x 36	None
10MB (D)	None	(1) 512K x 36	(1) 1M x 36	(1) 1M x 36
12MB (A)	(4) 1M x 9	None	(1) 2M x 36	None
12MB (B)	None	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
12MB (C)	(4) 1M x 9	None	(1) 1M x 36	(1) 1M x 36
16MB (A)	(4) 4M x 9	None	None	None
16MB (B)	None	(1) 4M x 36	None	None
16MB (C)	(4) 1M x 9	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB (D)	None	(1) 2M x 36	(1) 2M x 36	None
17MB	(4) 256K x 9	(1) 4M x 36	None	None
20MB (A)	(4) 1M x 9	(1) 4M x 36	None	None

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
20MB (B)	(4) 1M x 9	None	(1) 4M x 36	None
20MB (C)	None	(1) 1M x 36	(1) 4M x 36	None
32MB (A)	(4) 4M x 9	(1) 4M x 36	None	None
32MB (B)	None	(1) 8M x 36	None	None
32MB (C)	(4) 4M x 9	None	(1) 4M x 36	None
32MB (D)	None	(1) 4M x 36	(1) 4M x 36	None
64MB (A)	(4) 16M x 9	None	None	None
64MB (B)	None	(1) 16M x 36	None	None
64MB (C)	(4) 4M x 9	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
64MB (D)	None	(1) 8M x 36	(1) 8M x 36	None
128MB (A)	(4) 16M x 9	(1) 16M x 36	None	None
128MB (B)	None	(1) 32M x 36	None	None
128MB (C)	(4) 16M x 9	None	(1) 16M x 36	None
128MB (D)	None	(1) 16M x 36	(1) 16M x 36	None

DRAM JUMPER CONFIGURATION
Size	JP18
2MB (A)	Pins 1 & 2 closed
2MB (B)	Pins 2 & 3 closed
4MB (A)	Pins 1 & 2 closed
4MB (B)	Pins 2 & 3 closed
4MB (C)	Pins 1 & 2 closed
4MB (D)	Pins 2 & 3 closed
5MB	Pins 1 & 2 closed
6MB (A)	Pins 1 & 2 closed
6MB (B)	Pins 2 & 3 closed
8MB (A)	Pins 1 & 2 closed
8MB (B)	Pins 2 & 3 closed
8MB (C)	Pins 2 & 3 closed
10MB (A)	Pins 1 & 2 closed
10MB (B)	Pins 1 & 2 closed
10MB (C)	Pins 2 & 3 closed
10MB (D)	Pins 2 & 3 closed
12MB (A)	Pins 1 & 2 closed
12MB (B)	Pins 2 & 3 closed
12MB (C)	Pins 1 & 2 closed
16MB (A)	Pins 1 & 2 closed
16MB (B)	Pins 2 & 3 closed
16MB (C)	Pins 1 & 2 closed
16MB (D)	Pins 2 & 3 closed
17MB	Pins 1 & 2 closed
20MB (A)	Pins 1 & 2 closed

DRAM JUMPER CONFIGURATION (CON’T)
Size	JP18
20MB (B)	Pins 1 & 2 closed
20MB (C)	Pins 2 & 3 closed
32MB (A)	Pins 1 & 2 closed
32MB (B)	Pins 2 & 3 closed
32MB (C)	Pins 1 & 2 closed
32MB (D)	Pins 2 & 3 closed
64MB (A)	Pins 1 & 2 closed
64MB (B)	Pins 2 & 3 closed
64MB (C)	Pins 1 & 2 closed
64MB (D)	Pins 2 & 3 closed
128MB (A)	Pins 1 & 2 closed
128MB (B)	Pins 2 & 3 closed
128MB (C)	Pins 1 & 2 closed
128MB (D)	Pins 2 & 3 closed

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
64KB	(4) 8K x 8	(4) 8K x 8	(1) 8K x 8
128KB	(4) 32K x 8	None	(1) 8K x 8
256KB (A)	(4) 32K x 8	(4) 32K x 8	(1) 32K x 8
256KB (B)	(4) 32K x 8	(4) 32K x 8	(1) 16K x 8

CACHE JUMPER CONFIGURATION
Size	JP34	JP35	JP36	JP38
64KB	Pins 1 & 2 closed	Open	Open	Pins 2 & 3 closed
128KB	Pins 1 & 2 closed	Closed	Open	Pins 1 & 2 closed
256KB (A)	Pins 1 & 2 closed	Closed	Closed	Pins 2 & 3 closed
256KB (B)	Pins 2 & 3 closed	Closed	Closed	Pins 2 & 3 closed

CPU SPEED SELECTION (AV-9107-03)
Speed	JP9	JP21	JP22	JP23	JP24
25MHz	1 & 2	Open	Closed	Open	Closed
33MHz	1 & 2	Open	Closed	Closed	Open
40MHz	1 & 2	Open	Open	Open	Closed
50iMHz	1 & 2	Open	Closed	Open	Closed
66iMHz	1 & 2	Open	Closed	Closed	Open
100iMHz	1 & 2	Open	Closed	Closed	Open
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (SC468)
Speed	JP9	JP21	JP22	JP23	JP24
25MHz	Open	Open	Open	Open	Open
33MHz	Open	Open	Closed	Closed	Open
40MHz	Open	Open	Open	Closed	Open
50iMHz	Open	Open	Open	Open	Open
66iMHz	Open	Open	Closed	Closed	Open
100iMHz	Open	Open	Closed	Closed	Open

CPU TYPE SELECTION
Type	JP1	JP10	JP12	JP13	JP26
80486SX	Open	Open	Open	Open	Open
SL80486SX	Closed	Open	Open	Open	Open
80486DX	Open	Open	Open	Open	1 & 2
SL80486DX	Closed	Open	Open	Open	1 & 2
CX M7	Open	1 & 2	Open	2 & 3	1 & 2
CX M72	Open	1 & 2	Open	2 & 3	1 & 2
80486DX2	Open	Open	Open	Open	1 & 2
SL80486DX2	Closed	Open	Open	Open	1 & 2
80486DX4	Closed	Open	Open	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	JP27	JP28	JP31	JP32	JP33
80486SX	2 & 3	1 & 2	Open	Open	Open
SL80486SX	2 & 3	1 & 2	1 & 2	Closed	Closed
80486DX	1 & 2, 3 & 4	1 & 2	Open	Open	Open
SL80486DX	1 & 2, 3 & 4	1 & 2	1 & 2	Closed	Closed
CX M7	1 & 2, 3 & 4	2 & 3	2 & 3	Open	Open
CX M72	1 & 2, 3 & 4	2 & 3	2 & 3	Open	Open
80486DX2	1 & 2, 3 & 4	1 & 2	Open	Open	Open
SL80486DX2	1 & 2, 3 & 4	1 & 2	1 & 2	Closed	Closed
80486DX4	1 & 2, 3 & 4	1 & 2	1 & 2	Closed	Closed
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION
Voltage	JP25
3.3v	Pins 3 & 5, 4 & 6 closed
5v	Pins 1 & 3, 2 & 4 closed

VL BUS SPEED SELECTION
Speed	JP7
< = 33MHz	Open
> 33MHz	Closed

VL BUS WAIT STATE SELECTION
Setting	JP8
0	Open
1	Closed