Processor	80486SX/80487SX/80486DX/80486DX2
Processor Speed	25/33/50(internal)/66(internal)
Chip Set	Texas Instruments
Max. Onboard DRAM	20MB
Cache	None
BIOS	Phoenix
Dimensions	330mm x 218mm
I/O Options	Floppy drive interface, IDE interface, parallel port, serial ports(2), VGA port
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
VGA port	CN1	IDE interface	J3
Parallel port	CN2	DC Power	J7
Serial port 2	CN3	Video Feature Connector	J9
Serial port 1	CN4	Floppy drive interface	J10
LED, Speaker, Batteries	J2	Chassis fan power	J13

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Battery - Rechargeable	J14	Pins 1 & 2 closed
	Battery - Non-rechargeable	J14	N/A
»	Parallel port (unidirectional)	J15	Pins 1 & 2 closed
	Parallel port (bidirectional)	J15	Pins 2 & 3 closed

CPU TYPE CONFIGURATION
PQFP	PGA	J17	J18
80486SX	None	Pins 2 & 3 closed	N/A
80486SX	80487SX	Pins 2 & 3 closed	N/A
80486SX	Overdrive	Pins 2 & 3 closed	N/A
80486SX	Overdrive R	Pins 2 & 3 closed	Pins 1 & 2 closed
80486DX	None	Pins 2 & 3 closed	N/A
80486DX	Overdrive	Pins 2 & 3 closed	N/A
80486DX	Overdrive R	Pins 2 & 3 closed	Pins 1 & 2 closed
None	80486DX	Pins 2 & 3 closed	None
None	80486DX2	Pins 2 & 3 closed	None
None	Overdrive	Pins 2 & 3 closed	None
None	Overdrive R	Pins 2 & 3 closed	None

DRAM CONFIGURATION
Expansion from:	Expansion to	Bank 0
4MB	8MB	(4) 1MB x 9
4MB	20MB	(4) 4MB x 9
Note: 4MB is internal memory and is not configurable.

VRAM CONFIGURATION
Expansion from:	Expansion to	Vram
512KB	1MB	(1) 256K x 16
Note: 512 KB is internal memory and is not configurable.