Processor	80486SX/80487SX/80486DX
Processor Speed	20/25/33MHz
Chip Set	Intel
Max. Onboard DRAM	64MB
Cache	64/128/256KB
BIOS	Award
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	CON2	Speaker	CON5
Turbo switch	CON3	Keylock & LED	CON6
Turbo LED	CON4

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select monochrome	JP1	pins 1 & 2 closed
	Monitor type select color	JP1	pins 2 & 3 closed
»	Power good signal detect from power supply	JP3	pins 2 & 3 closed
	Power good signal detect from board	JP3	pins 1 & 2 closed
	CPU speed select 20/25MHz	JP4	Closed
	CPU speed select 50/33MHz	JP4	Open

CPU TYPE
Type	SW1/1	SW1/2	SW1/3	SW1/4	SW1/5	SW1/6
80486DX	On	On	On	Off	Off	Off
80486SX	Off	Off	Off	Off	On	On
80487SX	Off	On	On	On	Off	On

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
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

CACHE SIZE
Size	JP5	JP6	JP7
64KB	Not installed	Not installed	Installed
128KB	Not installed	Installed	Not installed
256KB	Installed	Not installed	Not installed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(4) 256K x 9	NONE	NONE	NONE
2MB	(4) 256K x 9	(4) 256K x 9	NONE	NONE
3MB	(4) 256K x 9	(4) 256K x 9	(4) 256K x 9	NONE
4MB	(4) 256K x 9	(4) 256K x 9	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE	NONE	NONE
8MB	(4) 1M x 9	(4) 1M x 9	NONE	NONE
12MB	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9	NONE
16MB	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE	NONE	NONE
32MB	(4) 4M x 9	(4) 4M x 9	NONE	NONE
48MB	(4) 4M x 9	(4) 4M x 9	(4) 4M x 9	NONE
64MB	(4) 4M x 9	(4) 4M x 9	(4) 4M x 9	(4) 4M x 9