Processor	80486DX/SGS486DX2V/AM486DX2SV/80486DX2/SGS486DX4V/ AM486DX4SV/80486DX4/AM X5-133
Processor Speed	25/33/40/50(internal)/66(internal)/75(internal)/100(internal)/ 133(internal)MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	64MB (EDO supported)
Maximum Video Memory	None
Cache	Unidentified
BIOS	Unidentified
Dimensions	Unidentified
I/O Options	Floppy drive interface, green PC connector, IDE interface, parallel port, PS/2 mouse interface, serial ports (3), PC/104 interfaces (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	B1	Power connector	J9
IDE interface	J1	PS/2 mouse interface	J10
Floppy drive interface	J2	Chassis fan power	J11
Keyboard, speaker, reset, LED	J3	Parallel port	J13
Serial port 2	J4	Green PC connector	J16
Serial port 1 - internal	J7	PC/104 connectors	P1 & P2
Serial port 1 - external	J8

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	IOCHRDY signal to IDE interface disabled	W11	Open
	IOCHRDY signal to IDE interface enabled	W11	Closed
»	BIOS boot select normal boot	W16	Open
	BIOS boot select emergency boot	W16	Closed
»	Watchdog timer enabled	W17	Closed
	Watchdog timer disabled	W17	Open
»	Power fail monitoring disabled	W18	Open
	Power fail monitoring enabled	W18	Closed
»	Battery type select internal	W19	Pins 1 & 2 closed
	Battery type select external	W19	Pins 2 & 3 closed
»	Power failure detection source external power fail (pin 6 on J9)	W20	Pins 1 & 2 closed
	Power failure detection source internal/external battery <3v	W20	Pins 2 & 3 closed

SIMM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(1) 256K x 36	None
2MB	(1) 256K x 36	(1) 256K x 36
3MB	(1) 512K x 36	(1) 256K x 36
4MB	(1) 1M x 36	None
4MB	(1) 512K x 36	(1) 512K x 36
8MB	(1) 2M x 36	None
8MB	(1) 1M x 36	(1) 1M x 36
12MB	(1) 2M x 36	(1) 1M x 36
16MB	(1) 4M x 36	None
16MB	(1) 2M x 36	(1) 2M x 36
32MB	(1) 8M x 36	None
48MB	(1) 8M x 36	(1) 4M x 36
64MB	(1) 8M x 36	(1) 8M x 36
Note: Memory installed in Banks 0 & 1 is interchangeable.

SOLID STATE DISK CONFIGURATION

Note: To increase the size of the SSD, install upgrade in U23.

CPU SPEED SELECTION
Speed	W15
25MHz	Pins 3 & 4 closed
33MHz	Pins 1 & 2 closed
40MHz	Open
50iMHz	Pins 3 & 4 closed
66iMHz	Pins 1 & 2 closed
75iMHz	Pins 3 & 4 closed
100iMHz	Pins 1 & 2 closed
133iMHz	Pins 1 & 2 closed

CPU TYPE SELECTION
Type	W5A	W6A	W7A	W12
80486DX	Open	Pins 1 & 2 closed	Pins 1 & 2 closed	Open
SGS486DX2V 2x (WB)	Closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Closed
SGS486DX2V 2x (WT)	Open	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed
AM486DX2SV 2x (WB)	Closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Closed
AM486DX2SV 2x (WT)	Open	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed
80486DX2	Open	Pins 1 & 2 closed	Pins 1 & 2 closed	Open
SGS486DX4V 3x (WB)	Closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Open
SGS486DX4V 3x (WT)	Open	Pins 1 & 2 closed	Pins 1 & 2 closed	Open
AM486DX4SV 2x (WB)	Closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Closed
AM486DX4SV 2x (WT)	Open	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed
AM486DX4SV 3x (WB)	Closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Open
AM486DX4SV 3x (WT)	Open	Pins 1 & 2 closed	Pins 1 & 2 closed	Open
80486DX4 2x (WB)	Closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Closed
80486DX4 2x (WT)	Open	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed
80486DX4 3x (WB)	Closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Open
80486DX4 3x (WT)	Open	Pins 1 & 2 closed	Pins 1 & 2 closed	Open
AM X5-133 3x (WB)	Closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Open
AM X5-133 3x (WT)	Open	Pins 1 & 2 closed	Pins 1 & 2 closed	Open
AM X5-133 4x (WB)	Closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Closed
AM X5-133 4x (WT)	Open	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed

CPU VOLTAGE SELECTION
Voltage	W3
3.3v	Open
5v	Closed

SERIAL PORT 2 LOOPBACK SELECTION
Setting		W5	W6
»	Normal	Open	Open
	Loopback	Closed	Closed

SERIAL PORT 2 SELECTION
Setting		W4	W7	W8	W9	W10
»	RS-232	Open	1 & 2	1 & 2	1 & 2	1 & 2
	RS-485	Closed	2 & 3	2 & 3	2 & 3	2 & 3

FLOPPY DRIVE EDOUT SELECTION
Setting		W2
»	Left to software	Open
	Ground to pin 17 on J2	Pins 2 & 4 closed
	Ground to pin 29 on J2	Pins 3 & 4 closed
	EDOUT to pin 29 on J2	Pins 1 & 3 closed
	EDOUT to pin 17 on J2	Pins 1 & 2 closed

FLOPPY DRIVE HDOUT SELECTION
Setting		W1
»	Left to software	Open
	Ground to pin 27 on J2	Pins 2 & 4 closed
	Ground to pin 33 on J2	Pins 3 & 4 closed
	HDOUT to pin 33 on J2	Pins 1 & 3 closed
	HDOUT to pin 27 on J2	Pins 1 & 2 closed

BASE I/O SELECTION
Address		W13
»	190H	Pins 1 & 2, 3 & 4 closed
	290H	Pins 1 & 2 closed
	390H	Pins 3 & 4 closed
	390H	Open

EXTENDED BIOS MODE SELECTION
Setting		W14
	VT100	Pins 3 & 4 closed
	Serial download	Pins 1 & 2 closed
»	Standard mode	Pins 3 & 4 closed
»	Normal mode	Pins 1 & 2 closed