A-B341H Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	40MHz
Chip Set	UMC
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
Function	Location	Function	Location
External battery	J1	Reset switch	J4
Turbo LED	J2	Speaker	J5
Turbo switch	J3	Power LED & keylock	J6

USER CONFIGURABLE SETTINGS
Function		Location	Setting
»	Battery select internal	W1	closed
	Battery select external	W1	open
»	Monitor type select color	W2	closed
	Monitor type select monochrome	W2	open
»	NPU disabled	W4	open
	NPU enabled	W4	closed
»	CMOS memory normal operation	W20	open
	CMOS memory clear	W20	closed
Note:Location of jumper W2 is unknown.

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
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
20MB	(4) 1M x 9	(4) 4M x 9
32MB	(4) 4M x 9	(4) 4M x 9

SRAM CONFIGURATION
Size	Cache	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) 8K x 8
256KB	(8) 32K x 8	Banks 0 & 1	(1) 32K x 8

SRAM JUMPER CONFIGURATION
Size	W8	W9	W10	W11	W12	W13	W14	W15
32KB	1 & 2	1 & 2	1 & 2	1 & 2	2 & 3	1 & 2	1 & 2	open
64KB	2 & 3	1 & 2	1 & 2	2 & 3	1 & 2	1 & 2	1 & 2	open
128KB	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
256KB	2 & 3	2 & 3	2 & 3	2 & 3	1 & 2	2 & 3	2 & 3	2 & 3
Note:Pins designated should be in the closed position.