SIS-386 Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	25/33MHz
Chip Set	C & T
Max. Onboard DRAM	8MB
Cache	64KB (on external card)
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit external cache card slot
NPU Options	80387/3167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J3	Turbo LED	JPC pins 12 & 13
32-bit external cache cards	J16 & J17	Turbo switch	JPC pins 15 - 17
Power LED & keylock	JPC pins 1 - 5	Reset switch	JPC pins 19 & 20
Speaker	JPC pins 7 - 10

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	JP1	N/A
»	Factory configured - do not alter	JP3	N/A
»	Factory configured - do not alter	JP4	N/A
»	Factory configured - do not alter	JP5	N/A
»	Factory configured - do not alter	JP6	N/A
»	Monitor type select monochrome	JP7	Open
	Monitor type select color	JP7	Closed
»	Factory configured - do not alter	JP8	N/A
»	NPU mode select synchronous with CPU	JP9	Open
	NPU mode select asynchronous with CPU	JP9	Closed

DRAM CONFIGURATION
Size	Bank 0	P-0	Bank 1	P-1	Bank 2	Bank 3
1MB	(8) 44256	(4) 41256	NONE	NONE	NONE	NONE
1MB	NONE	NONE	NONE	NONE	(4) 256K x 9	NONE
2MB	(8) 44256	(4) 41256	(8) 44256	(4) 41256	NONE	NONE
2MB	NONE	NONE	NONE	NONE	(4) 256K x 9	(4) 256K x 9
4MB	NONE	NONE	NONE	NONE	(4) 1M x 9	NONE
8MB	NONE	NONE	NONE	NONE	(4) 1M x 9	(4) 1M x 9

CACHE JUMPER CONFIGURATION
Size	JP2A	JP2B	JP2C	JP2D
64KB	Open	Open	Open	Open
128KB	Closed	Closed	Closed	Closed