E486 Motherboard Settings and Configuration

Processor	80486DX
Processor Speed	25/33MHz
Chip Set	Intel
Max. Onboard DRAM	64MB (on external DRAM card)
Cache	128KB (on external SRAM card)
BIOS	Phoenix
Dimensions	330mm x 218mm
I/O Options	32-Bit external system DRAM card slot, 32-Bit external SRAM card slot, PS/2 bus mouse connector
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J11	Speaker	J26
Auxiliary keyboard	J13	Power LED & keylock	J27
PS/2 bus mouse	J15	32-Bit external DRAM card	S1
Turbo LED	J24	32-Bit external SRAM card	S2
Reset switch	J25

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Power good signal detect from power supply	J12	pins 1 & 2 closed
	Power good signal detect from board	J12	pins 2 & 3 closed
»	SRAM Cache enabled (internal & external)	SW1/1	On
	SRAM Cache disabled (internal & external)	SW1/1	Off
»	Factory configured - do not alter	SW1/2	N/A
»	Factory configured - do not alter	SW1/3	N/A
»	CMOS memory normal operation	SW1/4	On
	CMOS memory clear	SW1/4	Off
»	Password check enabled	SW1/5	On
	Password check disabled	SW1/5	Off
»	Monitor type select color	SW1/6	On
	Monitor type select monochrome	SW1/6	Off

DRAM CONFIGURATION
Size	Bank 0	Bank 1
2MB	(8) 256K x 9	NONE
4MB	(8) 256K x 9	(8) 256K x 9
8MB	(8) 1M x 9	NONE
10MB	(8) 1M x 9	(8) 256K x 9
16MB	(8) 1M x 9	(8) 1M x 9
32MB	(8) 4M x 9	NONE
34MB	(8) 4M x 9	(8) 256K x 9
40MB	(8) 4M x 9	(8) 1M x 9
64MB	(8) 4M x 9	(8) 4M x 9