PM486GA VESA Motherboard Settings and Configuration

Processor	CX486M6/TI486/(IBM)BlueLightening/AM486SX/80486SX/80487SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/80486DX2/P4S/P23S/P24S/ Pentium Overdrive
Processor Speed	25/33/40/50(internal)/50/66(internal)/80(internal)MHz
Chip Set	ALI
Max. Onboard DRAM	128MB
Cache	64/128/256/512/1024KB
BIOS	AMI/Phoenix
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
External battery	J4	Turbo switch	JP40
Green PC connector	JP12	Speaker	JP41
Ring in signal connector	JP13	Power LED & keylock	JP42
Reset switch	JP38	32-bit VESA local bus slots	SL1 - SL3
Turbo LED	JP39

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	CN1	Closed
	CMOS memory clear	CN1	Open
»	Factory configured - do not alter	JP1	N/A
»	Monitor type select color	JP7	pins 2 & 3 closed
	Monitor type select monochrome	JP7	pins 1 & 2 closed
»	Green PC enabled	JP10	Closed
	Green PC disabled	JP10	Open
»	ADS speed select > 33MHz	JP43	pins 2 & 3 closed
	ADS speed select <= 33MHz	JP43	pins 1 & 2 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
1MB	(4) 256K x 9	NONE	NONE
1MB	NONE	(1) 256K x 36	NONE
2MB	(4) 256K x 9	NONE	(1) 256K x 36
2MB	NONE	(1) 256K x 36	(1) 256K x 36
4MB	(4) 1M x 9	NONE	NONE
4MB	NONE	(1) 1M x 36	NONE
5MB	(4) 256K x 9	NONE	(1) 1M x 36
5MB	(4) 1M x 9	NONE	(1) 256K x 36
5MB	NONE	(1) 1M x 36	(1) 256K x 36
5MB	NONE	(1) 256K x 36	(1) 1M x 36
8MB	(4) 1M x 9	NONE	(1) 1M x 36
8MB	NONE	(1) 1M x 36	(1) 1M x 36
8MB	NONE	(1) 2M x 36	NONE
9MB	(4) 256K x 9	NONE	(1) 2M x 36
9MB	NONE	(1) 256K x 36	(1) 2M x 36
9MB	NONE	(1) 2M x 36	(1) 256K x 36
12MB	(4) 1M x 9	NONE	(1) 2M x 36
12MB	NONE	(1) 1M x 36	(1) 2M x 36
12MB	NONE	(1) 2M x 36	(1) 1M x 36
16MB	(4) 4M x 9	NONE	NONE
16MB	NONE	(1) 4M x 36	NONE
16MB	NONE	(1) 2M x 36	(1) 2M x 36
17MB	(4) 256K x 9	NONE	(1) 4M x 36
17MB	NONE	(1) 256K x 36	(1) 4M x 36
17MB	NONE	(1) 4M x 36	(1) 256K x 36
20MB	(4) 1M x 9	NONE	(1) 4M x 36
20MB	NONE	(1) 1M x 36	(1) 4M x 36
20MB	NONE	(1) 4M x 36	(1) 1M x 36
20MB	(4) 4M x 9	NONE	(1) 1M x 36
24MB	(4) 4M x 9	NONE	(1) 2M x 36
24MB	NONE	(1) 4M x 36	(1) 2M x 36
24MB	NONE	(1) 2M x 36	(1) 4M x 36

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2
32MB	(4) 4M x 9	NONE	(1) 4M x 36
32MB	NONE	(1) 4M x 36	(1) 4M x 36
64MB	(4) 16M x 9	NONE	NONE
65MB	(4) 16M x 9	NONE	(1) 256K x 36
68MB	(4) 16M x 9	NONE	(1) 1M x 36
72MB	(4) 16M x 9	NONE	(1) 2M x 36
80MB	(4) 16M x 9	NONE	(1) 4M x 36
128MB	(4) 16M x 9	(1) 8M x 36	(1) 8M x 36

DRAM JUMPER CONFIGURATION
Type	JP11A	JP11B	JP11C	JP11D
Double side SIMM	1 & 2, 3 & 4	1 & 2	1 & 2	1 & 2
Single side SIMM	2 & 3	2 & 3	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

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

CACHE JUMPER CONFIGURATION
Size	JP16	JP17	JP18	JP30
32KB	2 & 3	2 & 3	Open	Open
64KB	1 & 2	1 & 2	Open	1 & 2
128KB	1 & 2	2 & 3	Closed	1 & 2, 3 & 4
256KB (A)	1 & 2	1 & 2	Closed	1 & 2, 3 & 4, 5 & 6
256KB (B)	1 & 2	1 & 2	Closed	1 & 2, 3 & 4, 5 & 6
512KB	1 & 2	1 & 2	Closed	1 & 2, 3 & 4, 5 & 6
1MB	1 & 2	1 & 2	Closed	1 & 2, 3 & 4, 5 & 6
Note: Pins designated should be in the closed position.

CACHE JUMPER CONFIGURATION (CON’T)
Size	JP31	JP32	JP33
32KB	Open	pins 1 & 2 closed	Open
64KB	Open	pins 1 & 2 closed	Open
128KB	Open	pins 1 & 2 closed	Open
256KB (A)	Open	pins 1 & 2 closed	Open
256KB (B)	Open	pins 1 & 2 closed	pins 2 & 3 closed
512KB	pins 1 & 2 closed	pins 2 & 3 closed	pins 1 & 2 closed
1MB	pins 1 & 2, 3 & 4 closed	pins 2 & 3 closed	pins 1 & 2 closed

CPU TYPE CONFIGURATION
Type	JP4	JP5	JP6	JP9	JP14
AM486SX	Open	Open	Open	Open	Open
80486SX	Open	Open	Open	Open	Open
80487SX	Open	Open	Open	Open	Open
CX486DX	Open	Open	Closed	5 & 6	2 & 4
AM486DX-33	Open	Open	Open	Open	Open
AM486DX-40/50	Open	Open	Open	Open	Open
80486DX-33	Open	Open	Open	Open	Open
80486DX-40/50	Open	Open	Open	Open	Open
CX486DX2	Open	Open	Closed	5 & 6	2 & 4
AM486DX2	Open	Open	Open	Open	Open
80486DX2	Open	Open	Open	Open	Open
P4S	Open	Open	Open	Open	1 & 2
P23S	Open	Open	Open	Open	1 & 2
P24S	Open	Open	Open	Open	1 & 2
P24T	Open	Closed	Open	Open	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	JP15	JP19	JP20	JP21	JP22	JP23
AM486SX	Open	Open	1 & 2	2 & 3	Open	1 & 2
80486SX	Open	Open	1 & 2	2 & 3	Open	1 & 2
80487SX	Open	1 & 2	1 & 2	1 & 2	Open	2 & 3
CX486DX	2 & 4	Open	1 & 2	1 & 2	Open	1 & 2
AM486DX-33	Open	2 & 3	1 & 2	2 & 3	Open	2 & 3
AM486DX-40/50	Open	2 & 3	1 & 2	2 & 3	Open	2 & 3
80486DX-33	Open	2 & 3	1 & 2	2 & 3	Open	2 & 3
80486DX-40/50	Open	2 & 3	1 & 2	2 & 3	Open	2 & 3
CX486DX2	2 & 4	Open	1 & 2	1 & 2	Open	1 & 2
AM486DX2	Open	2 & 3	1 & 2	2 & 3	Open	2 & 3
80486DX2	Open	2 & 3	1 & 2	2 & 3	Open	2 & 3
P4S	1 & 2	2 & 3	1 & 2	1 & 2	Open	2 & 3
P23S	1 & 2	Open	1 & 2	1 & 2	Open	1 & 2
P24S	1 & 2	2 & 3	1 & 2	1 & 2	Open	2 & 3
P24T	1 & 2	1 & 2	2 & 3	1 & 2	Closed	2 & 3
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	JP24	JP25	JP26	JP27	JP28	JP29
AM486SX	Open	Open	Closed	Open	Closed	Open
80486SX	Open	Open	Closed	Open	Closed	Open
80487SX	Open	Open	Closed	Open	Closed	Open
CX486DX	1 & 2	Closed	Open	Open	Closed	Closed
AM486DX-33	Open	Open	Closed	Open	Closed	Open
AM486DX-40/50	Open	Open	Closed	Open	Closed	Closed
80486DX-33	Open	Open	Closed	Open	Closed	Open
80486DX-40/50	Open	Open	Closed	Open	Closed	Closed
CX486DX2	1 & 2	Closed	Open	Open	Closed	Open
AM486DX2	Open	Open	Closed	Open	Closed	Open
80486DX2	Open	Open	Closed	Open	Closed	Open
P4S	2 & 3	Open	Closed	Closed	Closed	Open
P23S	2 & 3	Open	Closed	Closed	Closed	Open
P24S	2 & 3	Open	Closed	Closed	Closed	Open
P24T	2 & 3	Open	Closed	Open	Closed	Open
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION
Type	JP9	JP28
TI 486	pins 1 & 2, 5 & 6 closed	N/A
IBM Blue Lightening	pins 1 & 2, 3 & 4 closed	N/A
CX486M6	N/A	Open
Note: These are alternate jumper settings for the above CPU types.

CPU SPEED CONFIGURATION
Speed	JP3	JP8	JP34	JP35
25MHz	pins 1 & 2 closed	pins 1 & 2, 5 & 6 closed	pins 1 & 2 closed	pins 1 & 2 closed
33MHz	pins 1 & 2 closed	pins 1 & 2, 3 & 4 closed	pins 1 & 2 closed	pins 1 & 2 closed
40MHz	pins 2 & 3 closed	pins 3 & 4, 5 & 6 closed	pins 2 & 3 closed	pins 2 & 3 closed
50iMHz	pins 1 & 2 closed	pins 1 & 2, 5 & 6 closed	pins 1 & 2 closed	pins 1 & 2 closed
50MHz	pins 2 & 3 closed	pins 1 & 2, 5 & 6 closed	pins 2 & 3 closed	pins 2 & 3 closed
66iMHz	pins 1 & 2 closed	pins 1 & 2, 3 & 4 closed	pins 1 & 2 closed	pins 1 & 2 closed
80iMHz	pins 2 & 3 closed	pins 3 & 4, 5 & 6 closed	pins 2 & 3 closed	pins 2 & 3 closed

VL BUS WAIT STATE CONFIGURATION
» Wait states		JP36
»	0 wait states	pins 1 & 2 closed
»	1 wait state	pins 2 & 3 closed

VL BUS SPEED CONFIGURATION
» CPU speed		JP37
»	<= 33MHz	pins 2 & 3 closed
»	> 33MHz	pins 1 & 2 closed

GREEN PC CONFIGURATION
Setting	J5
Reserved	pins 1 & 2 closed
Chassis fan power	pins 3 & 4 closed
Monitor power	pins 5 & 6 closed
VGA H-synch	pins 7 & 8 closed
VGA V-synch	pins 9 & 10 closed