NEAT-286 (VER. 2) Motherboard Settings and Configuration

Processor	80286
Processor Speed	16/20MHz
Chip Set	Neat
Video Chip Set	None
Maximum Onboard Memory	8MB
Maximum Video Memory	None
Cache	None
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	External memory card
NPU Options	80287

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	J1	Turbo switch	JP7
Speaker	J2	Turbo LED	LF1
External battery	J3	External memory card	SL1
Reset switch	JP1

USER CONFIGURABLE SETTINGS
Function		Label	Position
	NPU asynchronous with CPU	JP2	Pins 1 & 2 closed
	NPU synchronous with CPU	JP2	Pins 2 & 3 closed
	BIOS type select 27128	JP4	Pins 1 & 2 closed
	BIOS type select 27256	JP4	Pins 2 & 3 closed
	CPU = CPU speed	JP5	Pins 1 & 2 closed
	CPU = NPU OSC speed	JP5	Pins 2 & 3 closed
	Monitor type select color	JP6	Closed
	Monitor type select monochrome	JP6	Open

DRAM CONFIGURATION
Size	Bank A	Bank B	Bank C	Bank D
512KB	(18) 41256	None	None	None
640KB	(18) 41256	(18) 4164	None	None
1MB	(18) 41256	(18) 41256	None	None
1.5MB	(18) 41256	(18) 41256	(2) 256K x 9	None
1.64MB	(18) 41256	(18) 4164	(2) 256K x 9	(2) 256K x 9
2MB	(18) 411000	None	None	None
2MB	(18) 41256	(18) 41256	(2) 256K x 9	(2) 256K x 9
3MB	(18) 41256	(18) 41256	(2) 1M x 9	None
4MB	(18) 411000	(18) 411000	None	None
4.64MB	(18) 41256	(18) 4164	(2) 1M x 9	(2) 1M x 9
5MB	(18) 41256	(18) 41256	(2) 1M x 9	(2) 1M x 9
6MB	(18) 411000	(18) 411000	(2) 1M x 9	None
8MB	(18) 411000	(18) 411000	(2) 1M x 9	(2) 1M x 9

DRAM JUMPER CONFIGURATION
Setting	JP3
Banks C & D = Bank 0 Banks A & B = Bank 1	1 & 2, 3 & 4, 6 & 7, 11 & 12, 13 & 14, 16 & 17, 18 & 19, 23 & 24, 28 & 29
Banks A & B = Bank 0 Banks C & D = Bank 1	2 & 3, 4 & 5, 7 & 8, 9 & 10, 12 & 13, 14 & 15, 17 & 18, 19 & 20, 22 & 23, 24 & 25, 27 & 28, 29 & 30
Note: Pins designated should be in the closed position.