P2230 CE Motherboard Settings and Configuration

Processor	80286
Processor Speed	8/12MHz
Chip Set	Unidentified
Max. Onboard DRAM	4MB
Cache	None
BIOS	Unidentified
Dimensions	254mm x 218mm
I/O Options	None
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	J9	VGA port	J12
Serial port 2	J10	Riser Card	SL1
Parallel port	J11

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	SIMM size select 256K x 9	W6	Open
	SIMM size select 1M x 9	W6	Closed
»	BIOS type select 27256	W8	Closed
	BIOS type select 27128	W8	Open
»	RAM split select 384K above 1MB for EMS or extended	W9	Open
	RAM split select 384K below 1MB for EMS or extended	W9	Closed
»	Burn in mode not active	W26	Open
	Burn in mode active	W26	Closed
»	Manufacturing mode not active	W27	Open
	Manufacturing mode active	W27	Closed
»	Floppy drive interface enabled	W28	Open
	Floppy drive interface disabled	W28	Closed
»	Video type select normal	W29	Open
	Video type select slow	W29	Closed
»	Speaker volume select low	W30	Closed
	Speaker volume select high	W30	Open
»	I/O bus speed select 8MHz	W33	Open
	I/O bus speed select 12MHz	W33	pins 2 & 3 closed
»	Factory configured - do not alter	W38	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
512KB	(2) 256K x 9	NONE
640KB	(2) 256K x 9	(2) 64K x 9
1MB	(2) 256K x 9	(2) 256K x 9
2MB	(2) 1M x 9	NONE
4MB	(2) 1M x 9	(2) 1M x 9

DRAM SPEED CONFIGURATION
Size	W13	W14
100ns	Open	Closed
120ns	Closed	Open

DRAM JUMPER CONFIGURATION
Banks used	W16	W17	W18
1	Open	Open	Open
2	Open	Closed	Open

DRAM STROBE ADDRESS CONFIGURATION
Setting	W37
SIMM U16 = Bank 1 column address strobe	pins 1 & 2 closed
SIMM U16 = Bank 2 column address strobe	pins 2 & 3 closed
SIMM U16 = address strobe not connected	Open
Note: On the diagram, U16 & U17 are shown as Bank 1.

DRAM STROBE ADDRESS CONFIGURATION
Setting	W36
SIMM U17 = Bank 1 column address strobe	pins 1 & 2 closed
SIMM U17 = Bank 2 column address strobe	pins 2 & 3 closed
SIMM U17 = address strobe not connected	Open
Note: On the diagram, U16 & U17 are shown as Bank 1.

DRAM STROBE ADDRESS CONFIGURATION
Setting	W35
SIMM U16 & U17 = Bank 1 column address strobe	pins 1 & 2 closed
SIMM U16 & U17 = Bank 2 column address strobe	pins 2 & 3 closed
SIMM U16 & U17 = address strobe not connected	Open
Note: On the diagram, U16 & U17 are shown as Bank 1.

ON BOARD VIDEO CONFIGURATION
Setting	W10	W21
Enabled	Closed	Closed
Disabled	Open	Open

VIDEO CONFIGURATION
Setting	S1/1	S1/2
Monochrome	On	Off
Color	Off	On