M3 Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	25/33/40MHz
Chip Set	Morse
Max. Onboard DRAM	16MB
Cache	32/128KB
BIOS	AMI
Dimensions	220mm x 220mm
I/O Options	None
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	JP2	Turbo LED	JP12
Power LED & keylock	JP10	Reset switch	JP13
Turbo switch	JP11	Speaker	JP14

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Battery type select internal 3.6VDC	JP3	Closed
	Battery type select external 6VDC	JP3	Open
»	Monitor type select color	JP4	pins 2 & 3 closed
	Monitor type select monochrome	JP4	pins 1 & 2 closed

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) 256K x 9	(4) 1M 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) 1M x 9	(4) 4M x 9
32MB	(4) 4M x 9	(4) 4M x 9

CACHE CONFIGURATION
Size	Bank 0	TAG (U30)	Dirty Bit (U29)
32KB	(4) 8K x 8	(1) 8K x 8	(1) 16K x 4
128KB	(4) 32K x 8	(1) 32K x 8	(1) 16K x 4
Note:Installing a chip at U29 enables write-back memory caching.

CACHE JUMPER CONFIGURATION
Size	JP6	JP7	JP8	JP9
32KB	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed
128KB	pins 2 & 3 closed	pins 2 & 3 closed	pins 2 & 3 closed	pins 2 & 3 closed