386SI4 Motherboard Settings and Configuration

Processor	80386DX/CX486DLC
Processor Speed	33/40MHz
Chip Set	C & T
Max. Onboard DRAM	32MB
SRAM Cache	64/128/256KB
BIOS	AMI
Dimensions	254mm x 218mm
I/O Options	None
NPU Options	80387/CX83D87/3167

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo LED	J3	Reset switch	J6
Turbo switch	J4	Power LED & keylock	J7
Speaker	J5

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	JP1	open
»	Monitor type select color	JP2	closed
	Monitor type select monochrome	JP2	open

DRAM CONFIGURATION
Size	Bank 0	Bank 1	JP11
1MB	(4) 256K x 9	NONE	pins 2 & 3 closed
2MB	(4) 256K x 9	(4) 256K x 9	pins 1 & 2 closed
4MB	(4) 1M x 9	NONE	pins 2 & 3 closed
5MB	(4) 1M x 9	(4) 256K x 9	pins 2 & 3 closed
8MB	(4) 1M x 9	(4) 1M x 9	pins 1 & 2 closed
16MB	(4) 4M x 9	NONE	pins 2 & 3 closed
17MB	(4) 4M x 9	(4) 256K x 9	pins 2 & 3 closed
20MB	(4) 4M x 9	(4) 1M x 9	pins 2 & 3 closed
32MB	(4) 4M x 9	(4) 4M x 9	pins 1 & 2 closed

SRAM JUMPER CONFIGURATION
Jumper	64KB	128KB	256KB
SR1	pins 1 & 2 closed	pins 2 & 3 closed	pins 2 & 3 closed
SR2	pins 1 & 2 closed	pins 2 & 3 closed	pins 2 & 3 closed
SR3	pins 2 & 3 closed	pins 2 & 3 closed	pins 2 & 3 closed
SR4	pins 2 & 3 closed	pins 1 & 2 closed	pins 2 & 3 closed
SR5	pins 2 & 3 closed	pins 1 & 2 closed	pins 2 & 3 closed
SR6	pins 2 & 3 closed	pins 2 & 3 closed	pins 2 & 3 closed
SR7	pins 1 & 2 closed	pins 2 & 3 closed	pins 2 & 3 closed
SR8	pins 1 & 2 closed	pins 1 & 2 closed	pins 2 & 3 closed
SR9	pins 1 & 2 closed	pins 1 & 2 closed	pins 2 & 3 closed

SRAM CONFIGURATION
Size	Cache SRAM	Location	TAG
64KB	(8) 8K x 8	Banks 0 & 1	(1) 8K x 8
128KB	(4) 32K x 8	Bank 0	(1) 8K x 8
256KB	(8) 32K x 8	Banks 0 & 1	(1) 8K x 8