386DX-33/40 Motherboard Settings and Configuration

Processor	80386DX/CX486DLC
Processor Speed	25/33/40MHz
Chip Set	OPTI
Video Chip Set	None
Maximum Onboard Memory	32MB
Maximum Video Memory	None
Cache	Unidentified
BIOS	AMI
Dimensions	220mm x 170mm
I/O Options	None
NPU Options	80387DX

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J2	Turbo switch	JP5
Power LED & keylock	J16	Turbo LED	JP6
Speaker	JP4	Reset switch	S1

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	CMOS memory normal operation	JP1	Pins 2 & 3 closed
	CMOS memory clear	JP1	Pins 1 & 2 closed
	Monitor type select color	JP2	Closed
	Monitor type select monochrome	JP2	Open
»	Factory configured - do not alter	JP10	Unidentified

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

Note: The size of the cache unidentified.

CPU SPEED SELECTION
Speed	JP7	JP8	JP9
25MHz	Open	Open	Closed
33MHz	Open	Closed	Open
40MHz	Closed	Closed	Open