Processor	80386SX
Processor Speed	16/20/25MHz
Chip Set	Headland
Max. Onboard DRAM	8MB
Cache	None
BIOS	AMI
Dimensions	220mm x 220mm
I/O Options	None
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	JP3	Turbo switch	JP11
Power LED & keylock	JP9	Speaker	JP12
Turbo LED	JP10	Reset switch	JP13

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select monochrome	JP2	Open
	Monitor type select color	JP2	Closed
»	Bus speed select BUSCLK/2 default for 16MHz CPU	JP8	pins 1 & 2 closed
	Bus speed select BUSCLK/4 default for 20 or 25MHz CPU	JP8	pins 2 & 3 closed
»	CPU speed select forced slow	JP11	Closed
	CPU speed select switchable at keyboard	JP11	Open
»	CMOS memory normal operation	JP14	pins 2 & 3 closed
	CMOS memory clear	JP14	pins 1 & 2 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
512KB	(2) 256K x 9	NONE	NONE	NONE
1MB	(2) 256K x 9	(2) 256K x 9	NONE	NONE
1.5MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	NONE
2MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9
2MB	(2) 1M x 9	NONE	NONE	NONE
3MB	(2) 256K x 9	(2) 256K x 9	(2) 1M x 9	NONE
4MB	(2) 1M x 9	(2) 1M x 9	NONE	NONE
4.5MB	(2) 1M x 9	(2) 1M x 9	(2) 256K x 9	NONE
5MB	(2) 1M x 9	(2) 1M x 9	(2) 256K x 9	(2) 256K x 9
6MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	NONE
8MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9

PIPELINE CONFIGURATION
Setting	JP5	JP6	JP7
Enabled	pins 2 & 3 closed	pins 1 & 2 closed	pins 2 & 3 closed
Disabled	pins 1 & 2 closed	pins 2 & 3 closed	pins 1 & 2 closed