MB-386-158 Motherboard Settings and Configuration

Processor	80386SX
Processor Speed	20MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	16MB (8MB on external memory card)
Maximum Video Memory	None
Cache	None
BIOS	Unidentified
Dimensions	330mm x 220mm
I/O Options	External memory card
NPU Options	80387SX/1167

CONNECTIONS
Purpose	Location	Purpose	Location
Speaker	J15	Reset switch	JP1
Power LED & keylock	J16	Turbo LED	JP7
External battery	J17	External memory card	SL1

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Monitor type select monochrome	JP5	Open
	Monitor type select CGA/EGA/VGA	JP5	Closed
»	Battery type select internal	JP6	Pins 1 & 2 closed
	Battery type select external	JP6	Pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(2) 256K x 9	(2) 256K x 9	None	None
2MB	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9	(2) 256K x 9
4MB	(2) 1M x 9	(2) 1M x 9	None	None
8MB	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9	(2) 1M x 9

NPU CONFIGURATION
» Setting		JP3	JP19
»	Disabled	Pins 1 & 2 closed	Closed
»	Enabled	Pins 2 & 3 closed	Open