Processor	80486SX/80487SX/80486DX/80486DX2
Processor Speed	20/25/33/40/50 (Internal) /50/66 (Internal)
Chip Set	C & T
Max. onboard DRAM	32MB
Cache	64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	J17	External battery	J20
Speaker	J18	Turbo switch	J21
Reset switch	J19	Turbo LED	J22

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Monitor type select monochrome	JP3	Open
	Monitor type select color	JP3	Closed
»	CMOS memory normal operation	JP5	Pins 1 & 2 closed
	CMOS memory clear	JP5	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
32MB	(4) 4M x 9	(4) 4M x 9

CACHE CONFIGURATION
Size	Max Cachable	Bank 0	Bank 1	TAG
64KB	16MB	(4) 8K x 8	(4) 8K x 8	(1) 8K x 8
128KB	32MB	(4) 32K x 8	NONE	(1) 8K x 8
256KB	64MB	(4) 32K x 8	(4) 32K x 8	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP24	JP25
64KB	Open	Open
128KB	Pins 1 & 2 closed	Pins 1 & 2 closed
256KB	Pins 2 & 3 closed	Pins 2 & 3 closed

CPU SPEED CONFIGURATION
Speed	JP21
80486SX/20MHz	Pins 5 & 6 closed
80486SX/25MHz	Pins 1 & 2, 5 & 6 closed
80486SX/33MHz	Pins 1 & 2, 3 & 4 closed
80487SX/20MHz	Pins 5 & 6 closed
80486DX/25MHz	Pins 1 & 2, 5 & 6 closed
80486DX/33MHz	Pins 1 & 2, 3 & 4 closed
80486DX/40MHz	Pins 5 & 6 closed
80486DX/50MHz	Pins 3 & 4 closed
80486DX2/50i MHz	Pins 1 & 2, 5 & 6 closed
80486DX2/66i MHz	Pins 1 & 2, 3 & 4 closed

CPU TYPE CONFIGURATION
TYPE	JP9	JP11	JP12	JP13
80486SX/20MHz	Pins 2 & 3 closed	Open	Pins 2 & 3 closed	Pins 2 & 3 closed
80486SX/25MHz	Pins 1 & 2 closed	Open	Pins 2 & 3 closed	Pins 2 & 3 closed
80486SX/33MHz	Pins 1 & 2 closed	Open	Pins 2 & 3 closed	Pins 2 & 3 closed
80487SX/20MHz	Pins 2 & 3 closed	Closed	Pins 2 & 3 closed	Pins 1 & 2 closed
80486DX/25MHz	Pins 1 & 2 closed	Closed	Pins 1 & 2 closed	Pins 1 & 2 closed
80486DX/33MHz	Pins 1 & 2 closed	Closed	Pins 1 & 2 closed	Pins 1 & 2 closed
80486DX/40MHz	Pins 1 & 2 closed	Closed	Pins 1 & 2 closed	Pins 1 & 2 closed
80486DX/50MHz	Pins 1 & 2 closed	Closed	Pins 1 & 2 closed	Pins 1 & 2 closed
80486DX2/50i MHz	Pins 1 & 2 closed	Closed	Pins 1 & 2 closed	Pins 1 & 2 closed
80486DX2/66i MHz	Pins 1 & 2 closed	Closed	Pins 1 & 2 closed	Pins 1 & 2 closed