386SX P9 Motherboard Settings and Configuration

Processor	80386SX
Processor Speed	16MHz
Chip Set	OPTI
Max. Onboard DRAM	2MB
Cache	None
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit external memory card slot
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	J1	Turbo LED	J5
Power LED & keylock	J2	External battery	J6
Speaker	J3	32-bit external memory card	S1
Turbo switch	J4

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Turbo LED enabled	JP1	pins 2 & 3 closed
	Turbo LED disabled	JP1	pins 1 & 3 closed
»	Factory configured - do not alter	JP2	Open
»	NPU mode select synchronous with CPU	JP3	Open
	NPU mode select asynchronous with CPU	JP3	Closed
»	NPU enabled	JP4	Closed
	NPU disabled	JP4	Open
»	Factory configured - do not alter	JP5	Closed
»	Factory configured - do not alter	JP6	Closed
»	Crystal select OSC2	JP7	pins 2 & 3 closed
	Crystal select OSC1	JP7	pins 1 & 2 closed
»	Monitor type select color	J8	Closed
	Monitor type select monochrome	J8	Open
»	Power good signal detect from power supply	JP9	pins 1 & 2 closed
	Power good signal detect from board	JP9	pins 2 & 3 closed
»	BIOS type select 27256	JP10	pins 1 & 2 closed
	BIOS type select 27128	JP10	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
512KB	(4) 44256	NONE	NONE	NONE
1MB	(4) 44256	(4) 44256	NONE	NONE
1.5MB	(4) 44256	(4) 44256	(4) 44256	NONE
2MB	(4) 44256	(4) 44256	(4) 44256	(4) 44256

DRAM PARITY CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
512KB	(2) 41256	NONE	NONE	NONE
1MB	(2) 41256	(2) 41256	NONE	NONE
1.5MB	(2) 41256	(2) 41256	(2) 41256	NONE
2MB	(2) 41256	(2) 41256	(2) 41256	(2) 41256