80386SX Motherboard Settings and Configuration

Processor	80386SX
Processor Speed	16MHz
Chip Set	Intel
Max. Onboard DRAM	8MB
Cache	None
BIOS	Phoenix
Dimensions	333mm x 220mm
I/O Options	None
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	JP2	Turbo LED	JP8
Power LED & keylock	JP6	Turbo switch	JP9
Speaker	JP7	Reset switch	JP10

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select monochrome	JP1	pins 2 & 3 closed
	Monitor type select color	JP1	pins 1 & 2 closed
»	Battery select internal	JP3	pins 1 & 2 closed
	Battery select external	JP3	pins 2 & 3 closed
»	BIOS type select 27256	JP11	pins 2 & 3 closed
	BIOS type select 27512	JP11	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
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
4MB	(2) 1M x 9	(2) 1M x 9	NONE	NONE
8MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9

DRAM JUMPER CONFIGURATION
Speed	JP4	JP5
100ns fast page chips (1 page max.)	Closed	Open
100ns fast page chips (4 pages max.)	Closed	Closed
100ns all chips	Open	Closed
100ns all chips	Open	Open