S 286 SYSTEM BOARD Motherboard Settings and Configuration

Processor	80286
Processor Speed	6/10/12/16MHz
Chip Set	VLSI
Video Chip Set	None
Maximum Onboard Memory	4MB
Maximum Video Memory	None
Cache	None
BIOS	Award/Phoenix
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
Speaker	J19	Turbo switch	JP4
Power LED & keylock	J20	Turbo LED	JP5
External battery	J21	Reset switch	JP6

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	DSP/2	On
	EMS port address select 0E8H - 0EFH	DSP/4	On
	EMS port address select 098H - 09FH	DSP/4	Off
»	Factory configured - do not alter	JP2	Unidentified
	BIOS type select Phoenix	JP7	Pins 1 & 2 closed
	BIOS type select Award	JP7	Pins 2 & 3 closed
	EMS type select extended mode	JP8	Open
	EMS type select expanded mode	JP8	Closed
»	Factory configured - do not alter	JP10	Unidentified
	Wait state select 1 wait state	JP11	Pins 1 & 2 closed
	Wait state select 0 wait states	JP11	Pins 2 & 3 closed
	Monitor type select monochrome	SW1	Pins 1 & 2 closed
	Monitor type select color	SW1	Pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
512KB	(18) 41256	None
640KB	(18) 41256	(18) 4164
1MB	(18) 41256	(18) 41256
1MB (EMS)	(18) 41256	(18) 41256
2MB	(18) 411000	None
2MB (EMS)	(18) 411000	None
4MB	(18) 411000	(18) 411000
4MB (EMS)	(18) 411000	(18) 411000

DRAM SWITCH CONFIGURATION
Size	DSP/6	DSP/7	DSP/8
512KB	On	On	On
640KB	On	On	Off
1MB	On	Off	On
1MB (EMS)	On	Off	Off
2MB	Off	On	On
2MB (EMS)	Off	On	Off
4MB	Off	Off	On
4MB (EMS)	Off	Off	Off

DRAM JUMPER CONFIGURATION
Size	J18
256KB	Pins 1 & 2 closed
512KB	Pins 2 & 3 closed

CLOCK SPEED SELECTION
Speed	DSP/1	JP1
Low	On	Pins 2 & 3 closed
High	Off	Pins 2 & 3 closed
Keyboard controlled	N/A	Pins 1 & 2 closed

BIOS SELECTION
Size	JP9	DSP/5
27128	Pins 1 & 2 closed	On
27256	Pins 2 & 3 closed	Off

I/O WAIT STATE SELECTION
Wait states	DSP/3	JP3
4	On	Pins 2 & 3 closed
6	Off	Pins 2 & 3 closed
Keyboard controlled	N/A	Pins 1 & 2 closed