NETT-2030 Motherboard Settings and Configuration

Processor	80486SX/80487SX/80486DX
Processor Speed	16/20/25/33MHz
Chip Set	Symphony
Max. Onboard DRAM	32MB
Cache	None
BIOS	AMI/DTK
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo LED	J1	Speaker	J4
Turbo switch	J2	Power LED & keylock	J5
Reset switch	J3

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
	Turbo switch select normal speed	J2	pins 1 & 2 closed
	Turbo switch select turbo speed	J2	Open
	Turbo switch select through keyboard by pressing CTRL, ALT, -	J2	pins 2 & 3 closed
»	Monitor type select monochrome	J10	pins 1 & 2 closed
	Monitor type select color	J10	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(4) 256K x 9	NONE
2MB	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE
5MB	(4) 256K x 9	(4) 1M x 9
5MB	(4) 1M x 9	(4) 256K x 9
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
17MB	(4) 256K x 9	(4) 4M x 9
17MB	(4) 4M x 9	(4) 256K x 9
20MB	(4) 1M x 9	(4) 4M x 9
20MB	(4) 4M x 9	(4) 1M x 9
32MB	(4) 4M x 9	(4) 4M x 9

CPU TYPE CONFIGURATION
Type	J6	J7	J8
80486SX	Open	pins 2 & 3 closed	Open
80487SX	Closed	pins 1 & 2 closed	pins 1 & 2 closed
80486DX	Closed	pins 1 & 2 closed	pins 2 & 3 closed

CPU SPEED CONFIGURATION
Speed	J9
16MHz	pins 2 & 3 closed
20MHz	pins 1 & 2 closed
25MHz	pins 2 & 3 closed
33MHz	pins 2 & 3 closed