Processor	80486SX/80487SX/80486DX/80486DX2
Processor Speed	33/50(internal)/50/66(internal)MHz
Chip Set	SIS
Max. Onboard DRAM	128MB
SRAM Cache	64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED	JP8	Reset switch	JP18
Turbo LED	JP16	Speaker	JP19
Turbo switch	JP17	Keylock	JP22

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	JP24	open
	Monitor type select monochrome	JP24	closed
»	Factory configured - do not alter	JP9	unknown
»	Factory configured - do not alter	JP10	unknown
»	Factory configured - do not alter	JP11	unknown
»	Factory configured - do not alter	JP21	unknown
»	Factory configured - do not alter	JP23	unknown

SRAM JUMPER CONFIGURATION
Size	JP1	JP2	JP3	JP4	JP12	JP13
64KB	pins 2 & 3	pins 1 & 2	pins 1 & 2	pins 1 & 2	pins 1 & 2	pins 1 & 2
128KB	pins 1 & 2	pins 2 & 3	pins 1 & 2	pins 2 & 3	pins 1 & 2	pins 2 & 3
256KB	pins 4 & 5	pins 2 & 3	pins 2 & 3	pins 2 & 3	pins 2 & 3	pins 2 & 3
Note:Pins designated should be in the closed position.

SRAM CONFIGURATION
Size	Cache SRAM	Location	TAG
64KB	(8) 8K x 8	Banks 0 & 1	(2) 16K x 4
128KB	(4) 32K x 8	Bank 0	(2) 16K x 4
256KB	(8) 32K x 8	Banks 0 & 1	(2) 16K x 4

CPU JUMPER CONFIGURATION
CPU	JP5	JP7	JP15
80486DX2	pins 1 & 2 closed	pins 1 & 2 closed	closed
80486DX	pins 1 & 2 closed	pins 1 & 2 closed	closed
80487SX	pins 2 & 3 closed	pins 1 & 2 closed	closed
80486SX	pins 2 & 3 closed	pins 2 & 3 closed	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
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
20MB	(4) 4M x 9	(4) 1M x 9
32MB	(4) 4M x 9	(4) 4M x 9
64MB	(4) 16M x 9	NONE
128MB	(4) 16M x 9	(4) 16M x 9