R386XX MBC Motherboard Settings and Configuration

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

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	J1	Turbo LED	J5
Reset switch	J2	External battery	J6
Turbo switch	J3	IDE interface LED	W1
Speaker	J4

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	W2	Open
»	Factory configured - do not alter	W8	Open
»	Factory configured - do not alter	W9	Open
»	Factory configured - do not alter	W10	Open
»	Monitor type select color	W11	Closed
	Monitor type select monochrome	W11	Open
»	Factory configured - do not alter	W12	Open
»	Factory configured - do not alter	W13	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
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

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
64KB	(4) 8K x 8	(4) 8K x 8	(2) 16K 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	W3	W4	W5	W6	W7
64KB	2 & 3	1 & 2	1 & 2	1 & 2	2 & 3
128KB	2 & 3	2 & 3	1 & 2	2 & 3	1 & 2
256KB	2 & 3	2 & 3	2 & 3	1 & 2	2 & 3
Note: Pins designated should be in the closed position.