386WB CACHE Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	33MHz
Chip Set	OPTI
Max. Onboard DRAM	32MB
Cache	32/64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit external memory card slot
NPU Options	80387/3167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J1	32-bit external memory card	S1
Power LED & keylock	J20	Reset switch	SW1
Speaker	J21	Turbo switch	SW2
Turbo LED	JP10

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	JP1	pins 2 & 3 closed
	CMOS memory clear	JP1	pins 1 & 2 closed
»	Factory configured - do not alter	JP5	Open
»	Monitor type select color	JP6	Closed
	Monitor type select monochrome	JP6	Open

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
32KB	(4) 8K x 8	NONE	(2) 4K x 4
64KB	(4) 8K x 8	(4) 8K x 8	(2) 4K x 4
128KB	(4) 32K x 8	NONE	(2) 16K x 4
256KB	(4) 32K x 8	(4) 32K x 8	(2) 16K x 4

CACHE JUMPER CONFIGURATION
Size	JP2	JP3	JP4	JP7	JP8	JP9
32KB	1 & 2	2 & 3	2 & 3	1 & 2	1 & 2	Open
64KB	1 & 2	2 & 3	1 & 2	2 & 3	1 & 2	Open
128KB	1 & 2	2 & 3	1 & 2	2 & 3	2 & 3	Closed
256KB	2 & 3	1 & 2	1 & 2	2 & 3	2 & 3	Closed
Note: Pins designated should be in the closed position.