286 MOTHERBOARD Motherboard Settings and Configuration

Processor	80286
Processor Speed	8/10/12MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	1MB
Maximum Video Memory	None
Cache	None
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
Speaker	J24	Reset switch	J29 pins 1 & 2
Power LED & keylock	J26	Turbo LED	J29 pins 3 & 4
Reset switch	J28

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	J15	Unidentified
	ROM wait state select 2 wait states	J17	Closed
	ROM wait state select 1 wait state	J17	Open
	Monitor type select color	J23	Closed
	Monitor type select monochrome	J23	Open
	I/O wait state enabled	J27	Closed
	I/O wait state disabled	J27	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1
512KB	(18) 41256	None
640KB	(18) 41256	(18) 4164
1MB	(18) 41256	(18) 41256
Note: The location of banks 0 & 1 are unidentified.

DRAM JUMPER CONFIGURATION
Size	J21	J22
512KB	Closed	Closed
640KB	Open	Closed
1MB	Closed	Open

RAM WAIT STATE SELECTION
Wait state	J16	J18
0	Open	Closed
1	Closed	Open

BIOS SELECTION
Type	J30	J31
27128	Pins 1 & 2 closed	Pins 1 & 2 closed
27256	Open	Pins 1 & 2 closed
27512	Pins 2 & 3 closed	Pins 2 & 3 closed