G386U Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	33/40MHz
Chip Set	UMC
Max. onboard DRAM	32MB
Cache	32/64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	80387DX

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	J9	Speaker	J12
Turbo LED	J10	Power LED & keylock	J13
Turbo switch	J11	External battery	J14

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Factory configured - do not alter	J1	Unknown
»	Factory configured - do not alter	J2	Unknown
»	NPU enabled	W1 & W10	Closed
	NPU disabled	W1 & W10	Open
»	Monitor type select color	W11	Closed
	Monitor type select monochrome	W11	Open
»	CMOS memory normal operation (Internal Battery)	W9	Closed
	CMOS memory normal operation (External Battery)	W9	Open

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
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
20MB	(4) 1M x 9	(4) 4M x 9
32MB	(4) 4M x 9	(4) 4M x 9

CACHE CONFIGURATION
Size	U21, U22, U23, & U24	U15, U16, U17, & U18	TAG
32KB	(4) 8K x 8	NONE	(2) 16K x 4
64KB	(4) 8K x 8	(4) 8K x 8	(2) 16K x 4
128KB	(4) 32K x 8	NONE	(2) 64K x 4
256KB	(4) 32K x 8	(4) 32K x 8	(2) 64K x 4
Note:U21 - U24 and U15 - U18 may be located on the system board.

CACHE JUMPER CONFIGURATION
Size	W3	W4	W5	W6	W7
32KB	pins 1 & 2	pins 1 & 2	pins 1 & 2	pins 2 & 3	Open
64KB	pins 2 & 3	pins 1 & 2	pins 1 & 2	pins 1 & 2	Open
128KB	pins 2 & 3	pins 2 & 3	pins 1 & 2	pins 2 & 3	pins 1 & 2
256KB	pins 2 & 3	pins 2 & 3	pins 2 & 3	pins 1 & 2	pins 2 & 3
Note:Pins designated should be in the closed position.

NPU CLOCK CONFIGURATION
Mode	OSC2	W8	W9
Synchronous	Not installed	pins 1 & 2 closed	Open
Asynchronous 25MHz	50MHz	pins 2 & 3 closed	Closed
Asynchronous 33HMz	66MHz	pins 2 & 3 closed	Closed