80386-WBH Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	33/40MHz
Chip Set	OPTI
Max. Onboard DRAM	32MB
SRAM Cache	32/64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	80387/3167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J10	Turbo LED	JP4
Power LED & keylock	J23	Reset switch	JP11
Speaker	J24	Turbo switch	SW2

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	JP1	closed
	Monitor type select monochrome	JP1	open
»	CMOS memory normal operation	JP2	pins 2 & 3 closed
	CMOS memory clear	JP2	pins 1 & 2 closed
»	I/O bus speed select CPU/6	JP3	open
	I/O bus speed select CPU/8	JP3	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) 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

SRAM JUMPER CONFIGURATION
Size	JP5	JP7	JP8	JP9	JP10
32KB	pins 1 & 2	pins 1 & 2	open	pins 1 & 2	pins 2 & 3
64KB	pins 2 & 3	pins 1 & 2	open	pins 1 & 2	pins 1 & 2
128KB	pins 2 & 3	pins 2 & 3	closed	pins 1 & 2	pins 1 & 2
256KB	pins 2 & 3	pins 2 & 3	closed	pins 2 & 3	pins 1 & 2
Note:Pins designated should be in the closed position.

SRAM CONFIGURATION
Size	Cache SRAM	Location	TAG
32KB	(4) 8K x 8	Bank 0	(1) 8K x 8
64KB	(8) 8K x 8	Banks 0 & 1	(1) 8K x 8
128KB	(4) 32K x 8	Bank 0	(1) 32K x 8
256KB	(8) 32K x 8	Banks 0 & 1	(1) 32K x 8