80386 MOTHERBOARD Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	25MHz
Chip Set	C & T
Max. Onboard DRAM	8MB
Cache	None
BIOS	AMI/Award/Phoenix
Dimensions	330mm x 218mm
I/O Options	32-bit external memory card slots (2)
NPU Options	80287/80387

CONNECTIONS
Purpose	Location	Purpose	Location
Speaker	J11	32-bit external memory card	S1
Turbo switch	J12	32-bit external memory card	S2
Power LED & keylock	J13	Reset switch	SW1
External battery	JP10	Turbo LED	SW2

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	JP8	pins 1 & 2 closed
	Monitor type select monochrome	JP8	pins 2 & 3 closed
»	CMOS memory normal operation	JP9	Open
	CMOS memory clear	JP9	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
2MB	(4) 256K x 9	(4) 256K x 9	NONE	NONE
8MB	(4) 1M x 9	(4) 1M x 9	NONE	NONE
10MB	(4) 1M x 9	(4) 1M x 9	(36) 41256	(36) 41256
16MB	(4) 1M x 9	(4) 1M x 9	(36) 411000	(36) 411000
Note:Banks 2 & 3 are used when a 32-bit external memory card is installed.

NPU TYPE CONFIGURATION
Type	JP3	JP6	JP7
80287	Open	Closed	Open
80387	Closed	Closed	Closed
Disabled	Open	Open	Open

NPU MODE CONFIGURATION
Setting	JP2	JP4
Synchronous with cpu	pins 1 & 2 closed	pins 2 & 3 closed
Synchronous with oscillator osc1	pins 2 & 3 closed	pins 1 & 2 closed

BIOS CONFIGURATION
Setting	JP1	JP20
AMI/Award	pins 1 & 2 closed	pins 1 & 2 closed
Phoenix	pins 2 & 3 closed	pins 2 & 3 closed