386SX Motherboard Settings and Configuration

Processor	80386SX
Processor Speed	16/20MHz
Chip Set	TI
Max. Onboard DRAM	32MB
Cache	None
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	16-bit external memory card slot
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	C1	Turbo switch	J10
Reset switch	J3	Turbo LED	J11
External battery	J5	16-bit external memory card	S1
Speaker	J8

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	J1	unknown
»	Power on self test disabled	J6	open
	Power on self test enabled	J6	connected
»	Monitor type select monochrome	J7	pins 2 & 3 closed
	Monitor type select color	J7	pins 1 & 2 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
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
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
16MB	(2) 4M x 9	(2) 4M x 9	NONE	NONE
32MB	(2) 4M x 9	(2) 4M x 9	(2) 4M x 9	(2) 4M x 9