NEAT-386SX Motherboard Settings and Configuration

Processor	80386SX
Processor Speed	16/20MHz
Chip Set	C & T Neat
Max. Onboard DRAM	8MB
Cache	None
BIOS	AMI/Phoenix
Dimensions	330.2mm x 218.4mm
I/O Options	None
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo switch	J1	Keylock	J5
Power LED	J2	Speaker	J6
Reset switch	J3	External battery	J17
Turbo LED	J4

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	J7	pins 2 & 3 closed
	Monitor type select monochrome	J7	pins 1 & 2 closed
»	Battery select internal	J17	pins 1 & 2 closed
	Battery select external	J17	connected

DRAM CONFIGURATION
Size	Bank 0(DIP)	Bank 1 (DIP)	Bank 2 (SIPP)	Bank 3 (SIPP)
512KB	(18) 41256	NONE	NONE	NONE
512KB	NONE	NONE	(2) 256K x 9	NONE
640KB	(18) 41256	(18) 4164	NONE	NONE
1MB	(18) 41256	(18) 41256	NONE	NONE
1MB	NONE	NONE	(2) 256K x 9	(2) 256K x 9
1.5MB	(18) 41256	(18) 41256	(2) 256K x 9	NONE
2MB	(18) 411000	NONE	NONE	NONE
2MB	NONE	NONE	(2) 1M x 9	NONE
2MB	(18) 41256	(18) 41256	(2) 256K x 9	(2) 256K x 9
4MB	(18) 411000	(18) 411000	NONE	NONE
4MB	NONE	NONE	(2) 1M x 9	(2) 1M x 9
4.5MB	(18) 411000	(18) 411000	(2) 256K x 9	NONE
5MB	(18) 411000	(18) 411000	(2) 256K x 9	(2) 256K 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
Size	BS1 pins 1 & 2 pins 4 & 5 pins 7 & 8	BS1 pins 2 & 3 pins 5 & 6 pins 8 & 9	BS2 pins 1 & 2 pins 4 & 5 pins 7 & 8	BS2 pins 2 & 3 pins 5 & 6 pins 8 & 9
512KB	closed	open	closed	open
512KB 1	open	closed	open	closed
640KB	closed	open	closed	open
1MB	closed	open	closed	open
1MB 1	open	closed	open	closed
1.5MB	closed	open	closed	open
2MB	closed	open	closed	open
2MB 1	open	closed	open	closed
4MB	closed	open	closed	open
4MB 1	open	closed	open	closed
4.5MB	closed	open	closed	open
5MB	closed	open	closed	open
6MB	closed	open	closed	open
8MB	closed	open	closed	open
Note 1 :Use this setting when banks 0 and 1 are empty.