FORCOM TECHNOLOGY CORPORATION

B637/B638/B639

Processor	80386SX
Processor Speed	16/20/25MHz
Chip Set	Headland
Max. Onboard DRAM	8MB
Cache	None
BIOS	AMI/Quadtel
Dimensions	246.6mm x 216.8mm
I/O Options	None
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo LED	P1	Reset switch	P5
Speaker	P2	External battery	P6
Power LED & Keylock	P3	Turbo switch	W2

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select monochrome	JP103	Open
	Monitor type select color	JP103	Closed
»	Power good signal detect from board	P7	pins 1 & 2 closed
	Power good signal detect from power supply	P7	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
512KB	(2) 256K x 9	NONE	NONE	NONE
1MB	(2) 256K x 9	(2) 256K x 9	NONE	NONE
1.5MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	NONE
2MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9
2MB	(2) 1M x 9	NONE	NONE	NONE
3MB	(2) 256K x 9	(2) 256K x 9	(2) 1M x 9	NONE
4MB	(2) 1M x 9	(2) 1M x 9	NONE	NONE
4.5MB	(2) 1M x 9	(2) 1M x 9	(2) 256K x 9	NONE
5MB	(2) 1M x 9	(2) 1M x 9	(2) 256K x 9	(2) 256K x 9
6MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	NONE
8MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9

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B637/B638/B639, motherboard, processor, socket, pentium, pentium pro, celeron, powerpc, alpha, 8088, 8086, 286, 386, 486, configuration, RAM, DRAM, floppy, jumper, connections