CL486, CL486S/25 Motherboard Settings and Configuration

Processor	80486SX/80487SX/80486DX/80486DX2
Processor Speed	25/33/50(internal)/66(internal)MHz
Chip Set	Symphony
Max. Onboard DRAM	32MB
Cache	None
BIOS	ICL
Dimensions	430mm x 352mm
I/O Options	Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA port
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
VGA port	CN1	Floppy drive interface	CN6
PS/2 mouse port	CN2	Serial port 2	CN7
Parallel port	CN3	Chassis fan power	J4
Serial port 1	CN4	IDE interface LED	J5
IDE interface	CN5	Riser Card	SL1

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	On board VGA enabled	J1	pins 2 & 3 closed
	On board VGA disbled	J1	pins 1 & 2 closed
»	CMOS memory normal operation	J2	Open
	CMOS memory clear	J2	Closed
»	Factory configured - do not alter	J3	N/A

DRAM CONFIGURATION
Size	Bank 0	Bank 1
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

CPU TYPE CONFIGURATION
Type	T13
80486SX	pins 2 & 3, 5 & 6 closed
80487SX	pins 2 & 3, 5 & 6 closed
80486DX	pins 1 & 2, 4 & 5 closed
80486DX2	pins 1 & 2, 4 & 5 closed