386A Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	20/25MHz
Chip Set	C & T
Max. Onboard DRAM	8MB
Cache	None
BIOS	AMI
Dimensions	330mm x 225mm
I/O Options	32-bit external memory card slot
NPU Options	80387/3167

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo LED	J16	Power LED & keylock	J20
Turbo switch	J17	External battery	J21
Reset switch	J18	32-bit external memory card	S1
Speaker	J19

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	NPU select 3167 or none	JP1	pins 3 & 4 closed
	NPU select 80387	JP1	pins 1 & 2 closed
»	Monitor type select monochrome	JP5	pins 1 & 2 closed
	Monitor type select color	JP5	pins 2 & 3 closed
»	Battery type select internal	JP7	pins 1 & 2 closed
	Battery type select external	JP7	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
8MB	(4) 1M x 9	(4) 1M x 9

DRAM JUMPER CONFIGURATION
Size	JP2	JP2A	JP3	JP3A
1MB	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed
2MB	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed
4MB	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed
8MB	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed

CPU SPEED CONFIGURATION
Speed	JP4
20MHz	pins 1 & 2 closed
25MHz	pins 2 & 3 closed