386 SX Motherboard Settings and Configuration

Processor	80386SX
Processor Speed	8/16MHz
Chip Set	Unidentified
Max. Onboard DRAM	8MB
Cache	None
BIOS	Unidentified
Dimensions	270mm x 218mm
I/O Options	Floppy drive interface, IDE interface, parallel port, serial ports (2)
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
IDE interface	J6	Parallel port	J10
Serial port 1	J8	Floppy drive interface	J12
Serial port 2	J9	External battery	P1

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Factory configured - do not alter	SW2/1	N/A
»	Monitor type select color	SW2/2	On
	Monitor type select monochrome	SW2/2	Off
»	IDE interface enabled	W7	Open
	IDE interface disabled	W7	Closed
»	NPU enabled	W12	Open
	NPU disabled	W12	Closed
»	Floppy drive interface enabled	W14	Open
	Floppy drive interface disabled	W14	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(2) 256K x 9	(2) 256K x 9	NONE	NONE
1.5MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	NONE
2MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9
2.5MB	(2) 1M x 9	(2) 256K x 9	NONE	NONE
3MB	(2) 256K x 9	(2) 256K x 9	(2) 1M x 9	NONE
4MB	(2) 1M x 9	(2) 1M x 9	NONE	NONE
4.5MB	(2) 1M x 9	(2) 1M x 9	(2) 256K x 9	NONE
5MB	(2) 256K x 9	(2) 256K x 9	(2) 1M x 9	(2) 1M x 9
6MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	NONE
8MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9