Processor	80486SX/SL80486SX/CX486DX/AM486DX/80486DX/SL80486DX/CX486DX2/ AM486DX2/80486DX2/SL80486DX2
Processor Speed	25/33/40/50(internal)/50/66(internal)MHz
Chip Set	SIS
Max. Onboard DRAM	128MB
Cache	128/256KB
BIOS	AMI/Phoenix
Dimensions	260mm x 221mm
I/O Options	Floppy drive interface, game interface, green PC connector, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Game interface	CN1	Power LED & keylock	JFP pins 1 - 5
PS/2 mouse port	CN2	Speaker	JFP pins 7 - 10
Serial port 1	CN3	Turbo LED	JFP pins 12 & 13
Serial port 2	CN4	Turbo switch	JFP pins 15 - 17
Parallel port	CN5	Reset switch	JFP pins 19 & 20
VGA port	CN6	IDE interface LED	JFPA
Floppy drive interface	CN7	Green PC connector (monitor)	JG1
VGA feature connector	CN8	Green PC LED	JG2
IDE interface	CN9	Green PC connector	JG3
External battery	JB	Riser slot	SL1

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
	Battery type select internal	JB	Pins 2 & 3 closed
	Battery type select external	JB	Closed
	Serial port 1 select COM1	JCOM1	Pins 1 & 2 closed
	Serial port 1 select COM3	JCOM1	Pins 2 & 3 closed
	Serial port 2 select COM2	JCOM2	Pins 1 & 2 closed
	Serial port 2 select COM4	JCOM2	Pins 2 & 3 closed
	Floppy drive interface enabled	JFDD	Pins 1 & 2 closed
	Floppy drive interface disabled	JFDD	Pins 2 & 3 closed
	Game port enabled	JGAME	Pins 1 & 2 closed
	Game port disabled	JGAME	Pins 2 & 3 closed
	IDE interface enabled	JHDD	Pins 1 & 2 closed
	IDE interface disabled	JHDD	Pins 2 & 3 closed
	Parallel port select LPT1	JPP1	Pins 1 & 2 closed
	Parallel port select LPT2	JPP1	Pins 2 & 3 closed
	Parallel port select IRQ7	JPP2	Pins 1 & 2 closed
	Parallel port select IRQ5	JPP2	Pins 2 & 3 closed
	On board VGA enabled	JVGA	Pins 1 & 2 closed
	On board VGA disabled	JVGA	Pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(1) 256K x 36	None	None	None
2MB	(1) 512K x 36	None	None	None
2MB	(1) 256K x 36	(1) 256K x 36	None	None
4MB	(1) 1M x 36	None	None	None
4MB	(1) 512K x 36	(1) 256K x 36	(1) 256K x 36	None
4MB	(1) 512K x 36	(1) 512K x 36	None	None
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
5MB	(1) 1M x 36	(1) 256K x 36	None	None
5MB	(1) 256K x 36	(1) 512K x 36	(1) 512K x 36	None
5MB	(1) 256K x 36	(1) 1M x 36	None	None

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
6MB	(1) 1M x 36	(1) 512K x 36	None	None
8MB	(1) 2M x 36	None	None	None
8MB	(1) 1M x 36	(1) 512K x 36	(1) 512K x 36	None
8MB	(1) 1M x 36	(1) 1M x 36	None	None
9MB	(1) 2M x 36	(1) 256K x 36	None	None
9MB	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36	None
9MB	(1) 256K x 36	(1) 2M x 36	None	None
10MB	(1) 256K x 36	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36
12MB	(1) 2M x 36	(1) 512K x 36	(1) 512K x 36	None
12MB	(1) 2M x 36	(1) 1M x 36	None	None
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	None
12MB	(1) 1M x 36	(1) 2M x 36	None	None
16MB	(1) 4M x 36	None	None	None
16MB	(1) 2M x 36	(1) 1M x 36	(1) 1M x 36	None
16MB	(1) 2M x 36	(1) 2M x 36	None	None
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
17MB	(1) 4M x 36	(1) 256K x 36	None	None
18MB	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36	None
20MB	(1) 4M x 36	(1) 512K x 36	(1) 512K x 36	None
20MB	(1) 4M x 36	(1) 1M x 36	None	None
20MB	(1) 2M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
20MB	(1) 1M x 36	(1) 2M x 36	(1) 2M x 36	None
20MB	(1) 1M x 36	(1) 4M x 36	None	None
32MB	(1) 8M x 36	None	None	None
32MB	(1) 4M x 36	(1) 2M x 36	(1) 2M x 36	None
32MB	(1) 4M x 36	(1) 4M x 36	None	None
32MB	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
35MB	(1) 8M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
36MB	(1) 8M x 36	(1) 512K x 36	(1) 512K x 36	None
36MB	(1) 8M x 36	(1) 1M x 36	None	None
36MB	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36	None
36MB	(1) 1M x 36	(1) 8M x 36	None	None
40MB	(1) 8M x 36	(1) 1M x 36	(1) 1M x 36	None
40MB	(1) 8M x 36	(1) 2M x 36	None	None
40MB	(1) 4M x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
40MB	(1) 2M x 36	(1) 4M x 36	(1) 4M x 36	None
40MB	(1) 2M x 36	(1) 8M x 36	None	None
44MB	(1) 8M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
48MB	(1) 8M x 36	(1) 2M x 36	(1) 2M x 36	None
48MB	(1) 8M x 36	(1) 4M x 36	None	None
48MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	None
48MB	(1) 4M x 36	(1) 8M x 36	None	None
49MB	(1) 256K x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
50MB	(1) 512K x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
52MB	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
56MB	(1) 8M x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
56MB	(1) 2M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
64MB	(1) 8M x 36	(1) 4M x 36	(1) 4M x 36	None
64MB	(1) 8M x 36	(1) 8M x 36	None	None
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
72MB	(1) 2M x 36	(1) 8M x 36	(1) 8M x 36	None
80MB	(1) 8M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
80MB	(1) 4M x 36	(1) 8M x 36	(1) 8M x 36	None
96MB	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36	None
98MB	(1) 512K x 36	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36
128MB	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
128KB	(4) 32K x 8	None	(1) 8K/16K/32K x 8
256KB (A)	(4) 32K x 8	(4) 32K x 8	(1) 16K/32K x 8
256KB (B)	(4) 64K x 8	None	(1) 16K/32K x 8

CACHE JUMPER CONFIGURATION
Size	JS1	JS2	JS3
128KB	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
256KB (A)	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
256KB (B)	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 1 & 2 closed

CPU TYPE CONFIGURATION
Type	JC2	JC3	JC4	JC5
Cyrix	2 & 3, 5 & 6	2 & 3, 5 & 6	2 & 3, 5 & 6	2 & 3, 5 & 6
AMD	6 & 7	6 & 7	6 & 7	6 & 7
Intel	6 & 7	6 & 7	6 & 7	6 & 7
Intel SL-series	1 & 2, 6 & 7	1 & 2, 6 & 7	1 & 2, 6 & 7	1 & 2, 6 & 7
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION
Type	JC6	JC7
Cyrix	Pins 1 & 2 closed	Pins 2 & 3 closed
AMD	Pins 2 & 3 closed	Pins 1 & 2 closed
Intel	Pins 2 & 3 closed	Pins 1 & 2 closed

CPU TYPE CONFIGURATION
Type	JC1
SX	Pins 2 & 3, 5 & 6, 7 & 8 closed
DX	Pins 4 & 7, 2 & 5, 6 & 9 closed
DX2	Pins 1 & 4, 2 & 5, 6 & 9 closed

CPU SPEED CONFIGURATION
Speed	JK1	JK2	JK3	JK4
25MHz	Pins 2 & 3 closed	Closed	Closed	Closed
33MHz	Pins 1 & 2 closed	Closed	Open	Closed
40MHz	Pins 1 & 2 closed	Closed	Closed	Open
50iMHz	Pins 2 & 3 closed	Closed	Closed	Closed
50MHz	Pins 1 & 2 closed	Open	Closed	Closed
66iMHz	Pins 1 & 2 closed	Closed	Open	Closed

CPU VOLTAGE CONFIGURATION
Voltage	JP24
3.3v	Pins 7 & 8, 9 & 10 closed
5v	Pins 1 & 2, 3 & 4 closed

VIDEO MEMORY CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
512KB	(1) 256K x 16	None	None
1MB	(1) 256K x 16	(1) 256K x 16	None
2MB	(1) 256K x 16	(1) 256K x 16	(2) 256K x 16