MICROFRAME 486EX Motherboard Settings and Configuration

Processor	80486DX
Processor Speed	25/33Mhz
Chip Set	C & T
Max. Onboard DRAM	64MB
Cache	None
BIOS	AMI
Dimensions	355mm x 304mm
I/O Options	None
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J1	CPU ready LED	J9
Power LED & keylock	J2	Auxiliary keyboard	J12
Disk acess connector	J3	PS/2 mouse port	J13
Front panel/ribbon cable connector	J7	Speaker	J28
Reset switch	J8

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	IRQ12 enabled for mouse	J11	pins 1 & 2 closed
	IRQ12 disabled	J11	pins 2 & 3 closed
»	CPU speed select 25MHz	J29	pins 1 & 2 closed
	CPU speed select 33MHz	J29	pins 2 & 3 closed
»	Wait state enabled	J30	Closed
	Wait state disabled	J30	Open
»	Factory configured - do not alter	J35	Open
»	Factory configured - do not alter	J36	Open
»	CMOS memory normal operation	J45	Open
	CMOS memory clear	J45	Closed
»	DMA active select high	J46	pins 1 & 2 closed
	DMA active select low	J46	pins 2 & 3 closed
»	Factory configured - do not alter	SW1/switch 1	Off
»	Factory configured - do not alter	SW1/switch 2	Off
	Factory configured - do not alter	SW1/switch 3	Off
»	Monitor type select color	SW1/switch 4	On
	Monitor type select monochrome	SW1/switch 4	Off

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
8MB	(2) 4M x 36	NONE	NONE	NONE
16MB	(2) 4M x 36	(2) 4M x 36	NONE	NONE
16MB	NONE	(2) 8M x 36	NONE	NONE
24MB	(2) 4M x 36	(2) 4M x 36	(2) 4M x 36	NONE
24MB	NONE	(2) 4M x 36	(2) 8M x 36	NONE
32MB	(2) 4M x 36	(2) 4M x 36	(2) 4M x 36	(2) 4M x 36
32MB	NONE	(2) 8M x 36	(2) 8M x 36	NONE
32MB	NONE	(2) 4M x 36	(2) 4M x 36	(2) 8M x 36
40MB	NONE	(2) 4M x 36	(2) 8M x 36	(2) 8M x 36
40MB	(2) 4M x 36	(2) 4M x 36	(2) 4M x 36	(2) 8M x 36
48MB	(2) 4M x 36	(2) 4M x 36	(2) 4M x 36	(2) 8M x 36
48MB	NONE	(2) 8M x 36	(2) 8M x 36	(2) 8M x 36
56MB	(2) 4M x 36	(2) 8M x 36	(2) 8M x 36	(2) 8M x 36
64MB	(2) 8M x 36	(2) 8M x 36	(2) 8M x 36	(2) 8M x 36