AX4 Motherboard Settings and Configuration

Processor	80486SX/80486DX/80486DX2
Processor Speed	20/25/33/50(internal)/50/66(internal)MHz
Chip Set	Unidentified
Max. Onboard DRAM	32MB
Cache	64/128/256KB
BIOS	AMI
Dimensions	254mm x 220mm
I/O Options	None
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J1	Turbo LED	J6
Power LED & keylock	J3	Turbo switch	J7
Speaker	J4	Reset switch	J8

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	J1	pins 2 & 3 closed
	CMOS memory clear	J1	pins 3 & 4 closed
	Battery type select internal	J1	Open
	Battery type select external	J1	Closed
»	Monitor type select monochrome	J2	Open
	Monitor type select color	J2	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
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
32MB	(4) 4M x 9	(4) 4M x 9

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	(4) 32K x 8	(4) 32K x 8	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	J12	J13	J14	J16	J17	J18
64KB	Installed	Not installed	Not installed	Closed	Open	Open
128KB	Not installed	Installed	Not installed	Open	Closed	Open
256KB	Not installed	Not installed	Installed	Open	Open	Closed

CPU TYPE CONFIGURATION
Type	J11	J15
80486SX	Not installed	Closed
80486DX	Installed	Open
80486DX2	Installed	Open