G486-EVB (REV. C) Motherboard Settings and Configuration

Processor	CX486SX/80486(WB)/80486SX/SL80486SX/CX486DX/SGS486DX 80486DX/AM486DX/AM486DXL/SL80486DX/CX486DX2V/CX486DX2 SGS486DX2/AM486DX2/AM486DXL2/80486DX2/SL80486DX2 AM486DX4/80486DX4/ODP486DX4/P24T/CXM1SC
Processor Speed	25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/ 100(internal)MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	64MB
Maximum Video Memory	None
Cache	128/256/512KB
BIOS	Unidentified
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
Green PC LED	D6	Green PC connector	JP39
External battery	JP2	Reset switch	JP40
Power LED & keylock	JP37	32-bit VESA local bus slots	SL1 - SL3
Speaker	JP38

USER CONFIGURABLE SETTINGS
Function		Label	Position
	BIOS type select 28F010	JP1	Closed
	BIOS type select 27512	JP1	Open
»	Factory configured - do not alter	JP5	Unidentified
	Battery type select internal	JP8	Pins 2 & 3 closed
	Battery type select external	JP8	Pins 1 & 2 closed
»	Factory configured - do not alter	JP14	Closed
»	Factory configured - do not alter	JP31	Unidentified
»	Factory configured - do not alter	JP43	Unidentified

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(1) 256K x 36	None	None	None
2MB	(1) 512K x 36	None	None	None
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
4MB	(1) 512K x 36	None	(1) 512K x 36	None
4MB	(1) 1M x 36	None	None	None
8MB	(1) 1M x 36	(1) 1M x 36	None	None
8MB	(1) 2M x 36	None	None	None
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 2M x 36	None	(1) 2M x 36	None
16MB	(1) 4M x 36	None	None	None
32MB	(1) 4M x 36	(1) 4M x 36	None	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
128KB	(4) 32K x 8	None	(1) 8K x 8
256KB	(4) 32K x 8	(4) 32K x 8	(1) 32K x 8
512KB	(4) 128K x 8	None	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP19	JP20	JP21	JP25	JP26	JP27
128KB	Open	2 & 3	2 & 3	Closed	Closed	Open
256KB	Open	1 & 2	1 & 2	Closed	Open	Open
512KB	Closed	2 & 3	1 & 2	Open	Closed	Closed
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION
Type	JP15	JP16	JP17	JP18	JP22
CX486SX(WB)	Closed	Closed	2 & 3	2 & 3	2 & 3
CX486SX(WT)	Closed	Closed	1 & 2	1 & 2	2 & 3
80486 (WB)	Open	Closed	2 & 3	2 & 3	1 & 2, 3 & 4
80486SX	Open	Open	1 & 2	1 & 2	Open
SL80486SX	Open	Open	1 & 2	1 & 2	1 & 2
CX486DX(WB)	Closed	Closed	2 & 3	2 & 3	2 & 3
CX486DX(WT)	Closed	Closed	1 & 2	1 & 2	2 & 3
SGS486DX(WB)	Closed	Closed	2 & 3	2 & 3	2 & 3
SGS486DX(WT)	Closed	Closed	1 & 2	1 & 2	2 & 3
80486DX	Open	Open	1 & 2	1 & 2	Open
AM486DX	Open	Open	1 & 2	1 & 2	Open
AM486DXL	Open	Open	1 & 2	1 & 2	Open
SL80486DX	Open	Open	1 & 2	1 & 2	1 & 2
CX486DX2V-50(WB)	Closed	Closed	2 & 3	2 & 3	2 & 3
CX486DX2V-66(WB)	Closed	Closed	2 & 3	2 & 3	2 & 3
CX486DX2V-80(WB)	Closed	Closed	2 & 3	2 & 3	2 & 3
CX486DX2V-50(WT)	Closed	Closed	1 & 2	1 & 2	2 & 3
CX486DX2V-66(WT)	Closed	Closed	1 & 2	1 & 2	2 & 3
CX486DX2V-80(WT)	Closed	Closed	1 & 2	1 & 2	2 & 3
CX486DX2(WB)	Closed	Closed	2 & 3	2 & 3	2 & 3
CX486DX2(WT)	Closed	Closed	1 & 2	1 & 2	2 & 3
SGS486DX2(WB)	Closed	Closed	2 & 3	2 & 3	2 & 3
SGS486DX2(WT)	Closed	Closed	1 & 2	1 & 2	2 & 3
AM486DX2	Open	Open	1 & 2	1 & 2	Open
AM486DX2 (NV8T)	Open	Open	1 & 2	1 & 2	Open
AM486DX2 (SV8B-WB)	Open	Closed	2 & 3	2 & 3	1 & 2, 3 & 4
AM486DX2 (SV8B-WT)	Open	Closed	2 & 3	2 & 3	1 & 2, 3 & 4
AM486DXL2	Open	Open	1 & 2	1 & 2	Open
80486DX2	Open	Open	1 & 2	1 & 2	Open
SL80486DX2	Open	Open	1 & 2	1 & 2	1 & 2
AM486DX4 (NV8T)	Open	Open	1 & 2	1 & 2	Open
AM486DX4 (SV8B-WB)	Open	Closed	2 & 3	2 & 3	1 & 2, 3 & 4
AM486DX4 (SV8B-WT)	Open	Closed	2 & 3	2 & 3	1 & 2, 3 & 4
80486DX4	Open	Open	1 & 2	1 & 2	1 & 2
ODP486DX4	Open	Open	1 & 2	1 & 2	1 & 2
P24T	Open	Closed	1 & 2	1 & 2	1 & 2
CXM1SC(DX2)	Closed	Closed	2 & 3	2 & 3	1 & 2, 3 & 4
CXM1SC(DX4)	Closed	Closed	2 & 3	2 & 3	1 & 2, 3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION
Type	JP23	JP24	JP28	JP29	JP30
CX486SX(WB)	2 & 3	2 & 3, 4 & 5	2 & 3	Open	Open
CX486SX(WT)	2 & 3	2 & 3	2 & 3	Open	Open
80486 (WB)	1 & 2, 3 & 4	1 & 2, 3 & 4	1 & 2	3 & 4	Closed
80486SX	Open	Open	2 & 3	Open	Open
SL80486SX	1 & 2	1 & 2	2 & 3	Open	Open
CX486DX(WB)	2 & 3	2 & 3, 4 & 5	1 & 2	3 & 4	Closed
CX486DX(WT)	2 & 3	2 & 3	1 & 2	3 & 4	Closed
SGS486DX(WB)	2 & 3	2 & 3, 4 & 5	1 & 2	3 & 4	Closed
SGS486DX(WT)	2 & 3	2 & 3	1 & 2	3 & 4	Closed
80486DX	Open	Open	1 & 2	3 & 4	Closed
AM486DX	Open	Open	1 & 2	2 & 3	Closed
AM486DXL	Open	Open	1 & 2	3 & 4	Closed
SL80486DX	1 & 2	1 & 2	1 & 2	3 & 4	Closed
CX486DX2V-50(WB)	2 & 3	2 & 3, 4 & 5	1 & 2	3 & 4	Closed
CX486DX2V-66(WB)	2 & 3	2 & 3, 4 & 5	1 & 2	3 & 4	Closed
CX486DX2V-80(WB)	2 & 3	2 & 3, 4 & 5	1 & 2	3 & 4	Closed
CX486DX2V-50(WT)	2 & 3	2 & 3	1 & 2	3 & 4	Closed
CX486DX2V-66(WT)	2 & 3	2 & 3	1 & 2	3 & 4	Closed
CX486DX2V-80(WT)	2 & 3	2 & 3	1 & 2	3 & 4	Closed
CX486DX2(WB)	2 & 3	2 & 3, 4 & 5	1 & 2	3 & 4	Closed
CX486DX2(WT)	2 & 3	2 & 3	1 & 2	3 & 4	Closed
SGS486DX2(WB)	2 & 3	2 & 3, 4 & 5	1 & 2	3 & 4	Closed
SGS486DX2(WT)	2 & 3	2 & 3	1 & 2	3 & 4	Closed
AM486DX2	Open	Open	1 & 2	2 & 3	Closed
AM486DX2 (NV8T)	Open	Open	1 & 2	3 & 4	Closed
AM486DX2 (SV8B-WB)	1 & 2, 3 & 4	1 & 2, 3 & 4	1 & 2	3 & 4	Closed
AM486DX2 (SV8B-WT)	1 & 2, 3 & 4	1 & 2, 3 & 4	1 & 2	3 & 4	Closed
AM486DXL2	Open	Open	1 & 2	3 & 4	Closed
80486DX2	Open	Open	1 & 2	3 & 4	Closed
SL80486DX2	1 & 2	1 & 2	1 & 2	3 & 4	Closed
AM486DX4 (NV8T)	Open	Open	1 & 2	3 & 4	Closed
AM486DX4 (SV8B-WB)	1 & 2, 3 & 4	1 & 2, 3 & 4	1 & 2	3 & 4	Closed
AM486DX4 (SV8B-WT)	1 & 2, 3 & 4	1 & 2, 3 & 4	1 & 2	3 & 4	Closed
80486DX4	1 & 2	1 & 2	1 & 2	3 & 4	Closed
ODP486DX4	1 & 2	1 & 2	1 & 2	3 & 4	Closed
P24T	1 & 2	1 & 2	1 & 2	2 & 3	Closed
CXM1SC(DX2)	1 & 2, 3 & 4	1 & 2, 3 & 4	1 & 2	1 & 2, 3 & 4	Closed
CXM1SC(DX4)	1 & 2, 3 & 4	1 & 2, 3 & 4	1 & 2	1 & 2, 3 & 4	Closed
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON'T)
Type	JP32	JP33	JP34	JP36
CX486SX(WB)	2 & 3, 4 & 5	1 & 2, 3 & 4	Open	Open
CX486SX(WT)	Open	1 & 2, 3 & 4	Open	Open
80486 (WB)	1 & 2	1 & 2, 3 & 4	Open	Open
80486SX	Open	1 & 2, 3 & 4	Open	Open
SL80486SX	Open	1 & 2, 3 & 4	Open	Open
CX486DX(WB)	2 & 3, 4 & 5	1 & 2, 3 & 4	Open	Open
CX486DX(WT)	Open	1 & 2, 3 & 4	Open	Open
SGS486DX(WB)	2 & 3, 4 & 5	1 & 2, 3 & 4	Open	Open
SGS486DX(WT)	Open	1 & 2, 3 & 4	Open	Open
80486DX	Open	1 & 2, 3 & 4	Open	Open
AM486DX	Open	1 & 2, 3 & 4	Open	Open
AM486DXL	Open	1 & 2, 3 & 4	Open	1 & 2, 3 & 4
SL80486DX	Open	1 & 2, 3 & 4	Open	Open
CX486DX2V-50(WB)	2 & 3, 4 & 5	5 & 6, 7 & 8	Open	Open
CX486DX2V-66(WB)	2 & 3, 4 & 5	5 & 6, 7 & 8	Open	Open
CX486DX2V-80(WB)	2 & 3, 4 & 5	5 & 6, 7 & 8	Open	Open
CX486DX2V-50(WT)	Open	1 & 2, 3 & 4	Open	Open
CX486DX2V-66(WT)	Open	1 & 2, 3 & 4	Open	Open
CX486DX2V-80(WT)	Open	1 & 2, 3 & 4	Open	Open
CX486DX2(WB)	2 & 3, 4 & 5	1 & 2, 3 & 4	Open	Open
CX486DX2(WT)	Open	1 & 2, 3 & 4	Open	Open
SGS486DX2(WB)	2 & 3, 4 & 5	1 & 2, 3 & 4	Open	Open
SGS486DX2(WT)	Open	1 & 2, 3 & 4	Open	Open
AM486DX2	Open	1 & 2, 3 & 4	Open	Open
AM486DX2 (NV8T)	Open	5 & 6, 7 & 8	7 & 8	Open
AM486DX2 (SV8B-WB)	1 & 2	5 & 6, 7 & 8	3 & 4	Open
AM486DX2 (SV8B-WT)	1 & 2	5 & 6, 7 & 8	3 &4,7 & 8	Open
AM486DXL2	Open	1 & 2, 3 & 4	Open	1 & 2, 3 & 4
80486DX2	Open	1 & 2, 3 & 4	Open	Open
SL80486DX2	Open	1 & 2, 3 & 4	Open	Open
AM486DX4 (NV8T)	Open	5 & 6, 7 & 8	5 & 6	Open
AM486DX4 (SV8B-WB)	1 & 2	5 & 6, 7 & 8	Open	Open
AM486DX4 (SV8B-WT)	1 & 2	5 & 6, 7 & 8	7 & 8	Open
80486DX4	Open	5 & 6, 7 & 8	Open	Open
ODP486DX4	Open	1 & 2, 3 & 4	Open	Open
P24T	Open	1 & 2, 3 & 4	Open	Open
CXM1SC(DX2)	1 & 2	5 & 6, 7 & 8	3 & 4	Open
CXM1SC(DX4)	1 & 2	5 & 6, 7 & 8	Open	Open
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON'T)
Type	JP44	JP45	JP46	JP47
CX486SX(WB)	Open	Open	Open	Open
CX486SX(WT)	Open	Open	Open	Open
80486 (WB)	Open	Open	Open	Open
80486SX	Open	Open	Open	Open
SL80486SX	Open	Open	Open	Open
CX486DX(WB)	Open	Open	Open	Open
CX486DX(WT)	Open	Open	Open	Open
SGS486DX(WB)	Open	Open	Open	Open
SGS486DX(WT)	Open	Open	Open	Open
80486DX	Open	Open	Open	Open
AM486DX	Open	Open	Open	Open
AM486DXL	Open	Open	Open	Open
SL80486DX	Open	Open	Open	Open
CX486DX2V-50(WB)	Open	Open	Closed	Open
CX486DX2V-66(WB)	Open	Closed	Open	Open
CX486DX2V-80(WB)	Closed	Open	Open	Open
CX486DX2V-50(WT)	Open	Open	Closed	Open
CX486DX2V-66(WT)	Open	Closed	Open	Open
CX486DX2V-80(WT)	Closed	Open	Open	Open
CX486DX2(WB)	Open	Open	Open	Open
CX486DX2(WT)	Open	Open	Open	Open
SGS486DX2(WB)	Open	Open	Open	Open
SGS486DX2(WT)	Open	Open	Open	Open
AM486DX2	Open	Open	Open	Open
AM486DX2 (NV8T)	Open	Open	Closed	Open
AM486DX2 (SV8B-WB)	Open	Open	Closed	Open
AM486DX2 (SV8B-WT)	Open	Open	Closed	Open
AM486DXL2	Open	Open	Open	Open
80486DX2	Open	Open	Open	Open
SL80486DX2	Open	Open	Open	Open
AM486DX4 (NV8T)	Open	Open	Closed	Open
AM486DX4 (SV8B-WB)	Open	Open	Closed	Open
AM486DX4 (SV8B-WT)	Open	Open	Closed	Open
80486DX4	Open	Open	Closed	Open
ODP486DX4	Open	Open	Open	Open
P24T	Open	Open	Open	Open
CXM1SC(DX2)	Open	Open	Closed	Open
CXM1SC(DX4)	Open	Open	Closed	Open

CPU SPEED SELECTION
Speed	S1	S2	S3
25MHz	Closed	Open	Open
33MHz	Closed	Closed	Closed
40MHz	Closed	Closed	Open
50iMHz	Closed	Open	Open
66iMHz	Closed	Closed	Closed
75iMHz	Closed	Open	Open
80iMHz	Closed	Closed	Open
100iMHz	Closed	Closed	Closed

CPU TYPE SELECTION
Type	JP35
Non SL-enhanced	Closed
SL-enhanced	Open

VL BUS WAIT STATE SELECTION
Setting	JP41
0	Open
1	Closed

VL BUS SPEED SELECTION
Speed	JP42
<= 33MHz	Open
>33 MHz	Closed