386SX-25/33/40ANE Motherboard Settings and Configuration

Processor	80386SX/CX486SLC
Processor Speed	25/33/40MHz
Chip Set	ALI
Max. Onboard DRAM	16MB
BIOS	AMI
Dimensions	220mm x 170mm
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J4	Turbo LED/Turbo switch	J8
Reset switch	J6	Power LED & keylock	J9
Speaker	J7

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Synchronous with CPU	JP2	pins 1 & 2 closed
	Asynchronous with CPU	JP2	pins 2 & 3 closed
»	Monitor type select color	JP4	pins 2 & 3 closed
	Monitor type select monochrome	JP4	pins 1 & 2 closed
»	Parity check disabled	JP6	Closed
	Parity check enabled	JP6	Open
»	CMOS memory normal operation (External Battery)	JP8	Open
	CMOS memory normal operation (Internal Battery)	JP8	Closed
	CPU speed select (33MHz)	JP9	Closed
	CPU speed select (40MHz)	JP9	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1
512KB	(2) 256K x 9	NONE
1MB	(2) 256K x 9	(2) 256K x 9
2MB	(2) 1M x 9	NONE
4MB	(2) 1M x 9	(2) 1M x 9
8MB	(2) 4M x 9	NONE
16MB	(2) 4M x 9	(2) 4M x 9

CPU SPEED SELECT
Speed	JP1	JP5
25MHz	pins 1 & 2 closed	pins 2 & 3 closed
33MHz	pins 2 & 3 closed	pins 2 & 3 closed
40MHz	pins 1 & 2 closed	pins 1 & 2 closed