80386DX Motherboard Settings and Configuration

Processor	80386DX/80486DX (depends on CPU card installed)
Processor Speed	25/33MHz
Chip Set	Unidentified
Max. Onboard DRAM	16MB (8MB on external memory card)
Cache	None
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	Parallel port, serial ports (2), VGA port, floppy drive interface, IDE interface, external memory card, CPU slot, riser slot
NPU Options	80387DX/3167

CONNECTIONS
Purpose	Location	Purpose	Location
Floppy drive interface	J1	VGA port	J14
IDE interface	J3	Riser slot	SL1
Serial port 2	J5	CPU slot	SL2
Serial port 1	J7	External memory card	SL3
Parallel port	J11

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Monitor type select color	J6	Closed
	Monitor type select monochrome	J6	Open
»	Monitor type select Multisync	SW1/1	On
	Monitor type select standard VGA	SW1/1	Off
»	Parallel port enabled	SW1/4	On
	Parallel port disabled	SW1/4	Off
»	Serial port 2 enabled	SW1/5	On
	Serial port 2 disabled	SW1/5	Off
»	Serial port 1 enabled	SW1/6	On
	Serial port 1 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	Bank 3
1MB	(4) 256K x 9	NONE	NONE	NONE
2MB	(4) 256K x 9	(4) 256K x 9	NONE	NONE
4MB	(4) 1M x 9	NONE	NONE	NONE
8MB	(4) 1M x 9	(4) 1M x 9	NONE	NONE
10MB	(4) 256K x 9	(4) 256K x 9	(4) 1M x 9	(4) 1M x 9
16MB	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9
Note: Pins designated should be in the closed position.

VRAM CONFIGURATION
Size	Bank 0	Bank 1
256KB	(8) 44256	NONE
512KB	(8) 44256	(8) 44256

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