AC 486 MODEL PGA Motherboard Settings and Configuration

Processor	80486SX/80486DX/80486DX2
Processor Speed	20/25/33/50(internal)/66(internal)MHz
Chip Set	ACC
Max. Onboard DRAM	32MB
Cache	None
BIOS	AMI
Dimensions	254mm x 236mm
I/O Options	None
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J1	Reset switch	J4
Turbo LED	J2	Speaker	J5
Turbo switch	J3	Power LED & keylock	J6

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select monochrome	JP1	pins 1 & 2 closed
	Monitor type select color	JP1	pins 2 & 3 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
20MB	(4) 1M x 9	(4) 4M x 9
32MB	(4) 4M x 9	(4) 4M x 9

CPU TYPE CONFIGURATION
Type	Location	JP3	JP4	JP5
80486SX	Primary	N/A	Open	pins 2 & 3 closed
80487SX	Upgrade	pins 1 & 2 closed	Closed	N/A
80486DX	Primary	N/A	Open	pins 1 & 2, 3 & 4 closed
80486DX	Upgrade	pins 2 & 3 closed	Closed	N/A
80486DX2	Primary	N/A	Open	pins 1 & 2, 3 & 4 closed
80486DX2	Upgrade	pins 2 & 3 closed	Closed	N/A