386SX-16/20/25DNB Motherboard Settings and Configuration

Processor	80386SX
Processor Speed	16/20/25MHz
Chip Set	Diamond Flower, Inc.
Max. Onboard DRAM	16MB
Cache	None
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
Keyboard connector	J1	Turbo LED	J6
Reset switch	J2	Reset switch	J9
Turbo switch	J3	Turbo switch 2	J11
Speaker connector	J4	External battery connector	J12
Power Led & Keylock	J5
Note: While there are two turbo and reset switches, only one connector for each should be used.

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Monitor type select color	J8	Closed
	Monitor type select monochrome	J8	Open
»	Internal battery select	J10	Pins 1 & 2 closed
	External battery select	J10	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
2MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9
2MB	(2) 1MB x 9	NONE	NONE	NONE
2.5MB	(2) 256K x 9	(2) 1MB x 9	NONE	NONE
3MB	(2) 256K x 9	(2) 256K x 9	(2) 1MB x 9	NONE
4MB	(2) 1MB x 9	(2) 1MB x 9	NONE	NONE
4.5MB	(2) 1MB x 9	(2) 1MB x 9	(2) 256K x 9	NONE
5MB	(2) 256K x 9	(2) 256K x 9	(2) 1MB x 9	(2) 1MB x 9
6MB	(2) 1MB x 9	(2) 1MB x 9	(2) 1MB x 9	NONE
8MB	(2) 1MB x 9	(2) 1MB x 9	(2) 1MB x 9	(2) 1MB x 9
8MB	(2) 4MB x 9	NONE	NONE	NONE
10MB	(2) 1MB x 9	(2) 4MB x 9	NONE	NONE
16MB	(2) 4MB x 9	(2) 4MB x 9	NONE	NONE