386SX-25(N/C) (VER. 1) Motherboard Settings and Configuration

Processor	AM386SX
Processor Speed	25MHz
Chip Set	Intel
Max. Onboard DRAM	17MB
Cache	None
BIOS	Award
Dimensions	254mm x 218mm
I/O Options	Parallel port, serial ports (2), VGA port, floppy drive interface, IDE interface, riser slot
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
VGA port	CN1	IDE interface	CN5
Parallel port	CN2	Floppy drive interface	CN6
Serial port 1	CN3	Riser Card	SL1
Serial port 2	CN4

USER CONFIGURABLE SETTINGS
Function		Switch	Position
»	Monitor type select interlaced	SW1/1	On
	Monitor type select non interlaced	SW1/1	Off
»	Parallel port enabled	SW1/4	On
	parallel port disabled	SW1/4	Off
»	Serial port 1 enabled	SW1/5	On
	Serial port 1 disabled	SW1/5	Off
»	Serial port 2 enabled	SW1/6	On
	Serial port 2 disabled	SW1/6	Off
»	Floppy drive interface enabled	SW1/7	On
	Floppy drive interface disabled	SW1/7	Off
»	IDE interface enabled	SW1/8	On
	IDE interface disabled	SW1/8	Off

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
1MB	1MB	NONE	NONE
1.5MB	1MB	(2) 256K x 9	NONE
2MB	1MB	(2) 256K x 9	(2) 256K x 9
3MB	1MB	(2) 1M x 9	NONE
5MB	1MB	(2) 1M x 9	(2) 1M x 9
9MB	1MB	(2) 4M x 9	NONE
17MB	1MB	(2) 4M x 9	(2) 4M x 9
Note: Bank 0 is factory installed and is not configurable.

VGA CONFIGURATION
Setting	SW1/2	SW1/3
Enabled	On	On
Disabled	Off	Off

VRAM CONFIGURATION
Size	Bank 0	Bank 1
256KB	NONE	NONE
512KB	(2) 44256	NONE
1MB	(2) 44256	(4) 44256