Processor	80486SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed	25/33/50(internal)/50/66(internal)MHz
Chip Set	SIS
Max. Onboard DRAM	128MB
Cache	64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slots (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo LED	J3	Speaker	J6
Turbo switch	J4	Power LED & keylock	J7
Reset switch	J5	32-bit VESA local bus slots	SL1 & SL2

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select monochrome	JP14	Closed
	Monitor type select color	JP14	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
5MB	(4) 1M x 9	(4) 256K x 9
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 1M x 9	NONE
17MB	(4) 256K x 9	(4) 1M 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
64MB	(4) 16M x 9	NONE
65MB	(4) 256K x 9	(4) 16M x 9
65MB	(4) 16M x 9	(4) 256K x 9
68MB	(4) 1M x 9	(4) 16M x 9
68MB	(4) 16M x 9	(4) 1M x 9
80MB	(4) 4M x 9	(4) 16M x 9
80MB	(4) 16M x 9	(4) 4M x 9
128MB	(4) 16M x 9	(4) 16M x 9

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
64KB	(4) 8K x 8	(4) 8K x 8	(4) 4K x 4
128KB	(4) 32K x 8	NONE	(4) 4K x 4
256KB	(4) 32K x 8	(4) 32K x 8	(4) 4K x 4

CACHE JUMPER CONFIGURATION
Size	JP3	JP4	JP10	JP11	JP12	JP13
64KB	1 & 2	1 & 2	1 & 2	2 & 3	1 & 2	1 & 2
128KB	2 & 3	1 & 2	2 & 3	1 & 2	1 & 2	2 & 3
256KB	2 & 3	2 & 3	2 & 3	4 & 5	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION
Type	JP8	JP9
80486SX	pins 2 & 3 closed	Open
80486DX	pins 1 & 2, 3 & 4 closed	pins 1 & 2 closed
80486DX2	pins 1 & 2, 3 & 4 closed	pins 1 & 2 closed
Pentium Overdrive	pins 1 & 2, 3 & 4 closed	pins 2 & 3 closed

VESA WAIT STATE CONFIGURATION
Wait states	JP6
0 wait states	Open
1 wait state	Closed

BUS SPEED CONFIGURATION
CPU speed	JP5
<= 33MHz	Open
> 33MHz	Closed