BEK-3709 Motherboard Settings and Configuration

Processor	AM386DX/80386DX
Processor Speed	25/33/40MHz
Chip Set	OPTI
Video Chip Set	None
Maximum Onboard Memory	32MB
Maximum Video Memory	None
Cache	128KB
BIOS	AMI
Dimensions	220mm x 170mm
I/O Options	None
NPU Options	80387DX

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J1	Turbo switch	JP4
Power LED & keylock	J16	Speaker	JP6
Turbo LED	JP3	Reset switch	S1

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Monitor type select color	JP1	Closed
	Monitor type select monochrome	JP1	Open
»	CMOS memory normal operation	JP2	Pins 1 & 2 closed
	CMOS memory clear	JP2	Pins 2 & 3 closed
	Turbo enabled	JP4	Open
	Turbo disabled	JP4	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
5MB	(4) 1M x 9	(4) 256K 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
20MB	(4) 4M x 9	(4) 1M x 9
32MB	(4) 4M x 9	(4) 4M x 9

CACHE CONFIGURATION
Size	Bank 0	TAG
128KB	(4) 32K x 8	(1) 8K x 8

CPU SPEED SELECTION
Speed	JP7	JP8
25MHz	Closed	Open
33MHz	Open	Closed
40MHz	Open	Open