286 VLSI TURBO MAINBOARD Motherboard Settings and Configuration

Processor	80286
Processor Speed	12/16MHz
Chip Set	VLSI
Max. Onboard DRAM	4MB
Cache	None
BIOS	AMI/Award/Phoenix
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J13	Power LED & keylock	J16
Turbo switch	J14	Reset switch	J18
Turbo LED	J15	Speaker	J19

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	IOCHRDY select normal	J4	pins 1 & 2 closed
	IOCHRDY select add on card	J4	pins 2 & 3 closed
»	Monitor type select color	J7	pins 2 & 3 closed
	Monitor type select monochrome	J7	pins 1 & 2 closed
»	Shadow BIOS enabled	J8	Open
	Shadow BIOS disabled	J8	Closed
»	Parity check enabled	J12	pins 1 & 2 closed
	Parity check disabled	J12	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	P-0	Bank 1	P-1	Bank 2	Bank 3
512KB	(4) 44256	(2) 41256	NONE	NONE	NONE	NONE
640KB	(4) 44256	(2) 41256	(4) 4464	(2) 4164	NONE	NONE
1MB	(4) 44256	(2) 41256	(4) 44256	(2) 41256	NONE	NONE
2MB	NONE	NONE	NONE	NONE	(2) 1M x 9	NONE
4MB	NONE	NONE	NONE	NONE	(2) 1M x 9	(2) 1M x 9

DRAM JUMPER CONFIGURATION
Size	J9	J10	J11
512KB	Open	Closed	Closed
640KB	Closed	Open	Closed
1MB	Closed	Open	Closed
2MB	Open	Open	Open
4MB	Closed	Open	Open