JETPRO INFOTECH COMPANY, LTD.

MB-3M(MB-340C4M)

Processor	80386DX/CX486DLC
Processor Speed	25/33/40MHz
Chip Set	MXIC
Max. Onboard DRAM	32MB
SRAM Cache	8KB
BIOS	AMI/Award
Dimensions	220mm x 220mm
I/O Options	None
NPU Options	80387/3167/CX83D87

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
»	CMOS memory normal operation	JP1	pins 2 & 3 closed
	CMOS memory clear	JP1	pins 1 & 2 closed
»	RTC type select 146818	JP2 JP3	pins 1 & 2 closed closed
	RTC type select DS1287	JP2 JP3	pins 2 & 3 closed open
»	Monitor type select color	JP4	closed
	Monitor type select monochrome	JP4	open
»	CPU select 80386DX	JP5	pins 1 & 2 closed
	CPU select CX486DLC	JP5	pins 2 & 3 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) 1M x 9	(4) 256K x 9
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
20MB	(4) 4M x 9	(4) 1M x 9
32MB	(4) 4M x 9	(4) 4M x 9

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MB-3M(MB-340C4M), motherboard, processor, socket, pentium, pentium pro, celeron, powerpc, alpha, 8088, 8086, 286, 386, 486, configuration, RAM, DRAM, floppy, jumper, connections