ISA486GSi Motherboard Settings and Configuration

Processor	80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed	25/33/40/50(internal)/66(internal)MHz
Chip Set	ALI M1219
Max. Onboard DRAM	32MB
Cache	None
BIOS	ACER
Dimensions	220mm x 220mm
I/O Options	None
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J3 pins 1 & 4	Turbo LED	J4 pins 12 & 13
Power LED & keylock	J4 pins 1 - 5	Turbo switch	J4 pins 15,16,& 17
Speaker	J4 pins 7 - 10	Reset switch	J4 pins 19 & 20

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	J1	Open
	CMOS memory clear	J1	Closed
»	Battery type select internal	J3	pins 2 & 3 closed
	Battery type select external	J3	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(4) 256K x 9	NONE
2MB	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE
5MB	(4) 256K x 9	(4) 1M x 9
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
32MB	(4) 4M x 9	(4) 4M x 9

CPU TYPE CONFIGURATION
Type	J6	J7
80486SX	Open	pins 1 & 2 closed
ODP486SX	pins 1 & 2 closed	pins 2 & 3 closed
80487SX	pins 1 & 2 closed	pins 2 & 3 closed
80486DX	pins 2 & 3 closed	pins 2 & 3 closed
80486DX2	pins 2 & 3 closed	pins 2 & 3 closed

CPU SPEED CONFIGURATION
Speed	OSC1	JP8	JP9	JP10	JP11
20MHz	40MHz	2 & 3	1 & 2	1 & 2	2 & 3
25MHz	50MHz	1 & 2	2 & 3	1 & 2	2 & 3
33MHz	66MHz	1 & 2	1 & 2	1 & 2	2 & 3
50MHz	50MHz	1 & 2	2 & 3	1 & 2	2 & 3
66iMHz	66MHz	1 & 2	1 & 2	1 & 2	2 & 3
Note: Pins designated should be in the closed position.