80386SX-E Motherboard Settings and Configuration

Processor	80386SX/CX486SLC
Processor Speed	16/20/25/33MHz
Chip Set	ALI
Max. Onboard DRAM	16MB
SRAM Cache	None
BIOS	AMI
Dimensions	220mm x 180mm
I/O Options	None
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
External keyboard	J1	Power LED & keylock	J10
External battery	J2 pins 1 & 4	Reset switch	J11
Turbo LED	J8	Speaker	J12
Turbo switch	J9

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Battery select internal	J2	pins 1 & 4 connected
	Battery select external	J2	pins 2 & 3 closed
»	Monitor type select monochrome	J3	pins 1 & 2 closed
	Monitor type select color	J3	pins 2 & 3 closed
»	NPU mode select synchronous with CPU	J5	pins 1 & 2 closed
	NPU mode select asynchronous with CPU	J5	pins 2 & 3 closed

CPU SPEED JUMPER CONFIGURATION
Size	Jumper J4	Jumper J6
16MHz	pins 1 & 2 closed	pins 1 & 2 closed
20MHz	pins 1 & 2 closed	pins 2 & 3 closed
25MHz	pins 2 & 3 closed	pins 1 & 2 closed
33MHz	pins 2 & 3 closed	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
512KB	(2) 256K x 9	NONE	NONE	NONE
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
2MB	(2) 1M x 9	NONE	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
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
8MB	(2) 4M x 9	NONE	NONE	NONE
12MB	(2) 1M x 9	(2) 1M x 9	(2) 4M x 9	NONE
16MB	(2) 4M x 9	(2) 4M x 9	NONE	NONE