KT333OP3C-WB/BI PQFP 386DX MAINBOARD Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	25/33/40MHz
Chip Set	VLSI
Max. Onboard DRAM	32MB
Cache	32/64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	80387DX/3167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J17	Turbo LED & turbo switch	J22
Power LED & keylock	J20	Reset switch	J23
Speaker	J21

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Normal operation	W1	Open
	Manufacturer testing	W1	Closed
»	Monitor type select color	W2	pins 1 & 2 closed
	Monitor type select monochrome	W2	pins 2 & 3 closed
»	Bus clock speed select 4	W3	pins 1 & 2 closed
	Bus clock speed select 3	W3	pins 2 & 3 closed
»	Factory configured - do not alter	W4	N/A
»	CMOS memory normal operation	W5	pins 1 & 2 closed
	CMOS memory clear	W5	pins 2 & 3 closed
»	NPU input clock select external oscillation for 80387	W6	pins 1 & 2 closed
	NPU input clock select internal oscillation for 80386	W6	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
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
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

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
32KB	(4) 8K x 8	NONE	(3) 4K x 4
64KB	(4) 8K x 8	(4) 8K x 8	(3) 4K x 4
128KB	(4) 32K x 8	NONE	(3) 16K x 4
256KB	(4) 32K x 8	(4) 32K x 8	(3) 16K x 4
Note: The location of Bank 0 and Bank 1 are unidentified. The location of the Tag is unidentified.

CACHE JUMPER CONFIGURATION
Size	W7	W8	W9	W10	W11	W12
32KB	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
64KB	1 & 2	1 & 2	1 & 2	1 & 2	2 & 3	2 & 3
128KB	2 & 3	2 & 3	1 & 2	1 & 2	2 & 3	2 & 3
256KB	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3