IT-AM40 Motherboard Settings and Configuration

Processor	80386DX/CX486DLC
Processor Speed	16/25/33/40MHz
Chip Set	Unidentified
Max. Onboard DRAM	32MB
Cache	64KB
BIOS	AMI
Dimensions	220mm x 218mm
I/O Options	None
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo LED	D4	Reset switch	J5
External battery	J3	Speaker	J6
Turbo switch	J4	Power LED & keylock	J7

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	MC146818 enabled	JP1	pins 2 & 3 closed
	DS1287 enabled	JP1	pins 1 & 2 closed
»	CMOS memory normal operation	JP2	pins 1 & 2 closed
	CMOS memory clear	JP2	pins 2 & 3 closed
»	Monitor type select color	JP4	Closed
	Monitor type select monochrome	JP4	Open

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

CPU TYPE CONFIGURATION
CPU Type	JP5
Intel/AMD	pins 1 & 2 closed
Cyrix	pins 2 & 3 closed

CPU SPEED CONFIGURATION
Speed	JS0	JS1
16MHz	pins 2 & 3 closed	pins 2 & 3 closed
25MHz	pins 1 & 2 closed	pins 2 & 3 closed
33MHz	pins 2 & 3 closed	pins 1 & 2 closed
40MHz	pins 1 & 2 closed	pins 1 & 2 closed