NESXO Motherboard Settings and Configuration

Processor	80386SX
Processor Speed	16/20/25MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	12MB
Maximum Video Memory	None
Cache	None
BIOS	AMI
Dimensions	254mm x 218mm
I/O Options	None
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J8	Auxiliary keyboard connector	KB1
Speaker	J17	Reset switch	S1
Power LED & keylock	J18	Turbo switch	S2
Turbo LED	JP3

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Monitor type select color	JP1	Closed
	Monitor type select monochrome	JP1	Open
»	CMOS memory normal operation	JP2	Pins 2 & 3 closed
	CMOS memory clear	JP2	Pins 1 & 2 closed

DRAM CONFIGURATION
Size	Bank 0	P 0	Bank 1	P 1	Bank 2	Bank 3
1MB	(2) 44256	(2) 41256	(2) 44256	(2) 41256	None	None
2MB	(2) 44256	(2) 41256	(2) 44256	(2) 41256	(2) 256K x 9	(2) 256K x 9
2MB	(2) 441000	(2) 411000	None	None	None	None
3MB	(2) 44256	(2) 41256	(2) 44256	(2) 41256	(2) 1M x 9	None
4MB	(2) 441000	(2) 411000	(2) 441000	(2) 411000	None	None
5MB	(2) 44256	(2) 41256	(2) 44256	(2) 41256	(2) 1M x 9	(2) 1M x 9
6MB	(2) 441000	(2) 411000	(2) 441000	(2) 411000	(2) 1M x 9	None
8MB	(2) 441000	(2) 411000	(2) 441000	(2) 411000	(2) 1M x 9	(2) 1M x 9
9MB	(2) 44256	(2) 41256	(2) 44256	(2) 41256	(2) 4M x 9	None
12MB	(2) 441000	(2) 411000	(2) 441000	(2) 411000	(2) 4M x 9	None