PRESARIO 500 SERIES Motherboard Settings and Configuration

Processor	80487SX/80486DX/80486DX2
Processor Speed	25/33/50(internal)/66(internal)MHz
Chip Set	Compaq
Max. Onboard DRAM	64MB
Cache	None
BIOS	Unidentifed
Dimensions	330mm x 218mm
I/O Options	Game port, parallel port, PS/2 mouse port, serial port, microphone port, headphone port, line in port, line out port, modem port, telephone port, VESA feature connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
PS/2 mouse port	CN1	Line in port	CN8
Game port	CN2	Modem port	CN9
Parallel port	CN3	Telephone port	CN10
Serial port	CN4	VESA feature connector	J8
Microphone port	CN5	External battery	J11
Headphone port	CN6	Riser Card	SL1
Line out port	CN7

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	TV board I/O address select B18/B19	J16	pins 1 & 2 closed
	TV board I/O address select B28/B29	J16	pins 2 & 3 closed
»	CMOS memory clear	P5	Closed
	CMOS memory normal operation	P5	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1
4MB	(1) 1M x 36	NONE
8MB	(1) 2M x 36	NONE
12MB	(1) 1M x 36	(1) 2M x 36
16MB	(1) 2M x 36	(1) 2M x 36
16MB	(1) 4M x 36	NONE
20MB	(1) 1M x 36	(1) 4M x 36
24MB	(1) 2M x 36	(1) 4M x 36
24MB	(1) 4M x 36	(1) 2M x 36
32MB	(1) 4M x 36	(1) 4M x 36
32MB	(1) 8M x 36	NONE
36MB	(1) 1M x 36	(1) 8M x 36
40MB	(1) 2M x 36	(1) 8M x 36
40MB	(1) 8M x 36	(1) 2M x 36
48MB	(1) 4M x 36	(1) 8M x 36
48MB	(1) 8M x 36	(1) 4M x 36
64MB	(1) 8M x 36	(1) 8M x 36

CPU TYPE CONFIGURATION
Type	P2
80486SX	pins 1 & 2 closed
80486DX	pins 2 & 3 closed
80487SX	pins 2 & 3 closed
80486DX2	pins 2 & 3 closed

CPU SPEED CONFIGURATION
Speed	P1
25MHz	pins 1 & 2 closed
33MHz	pins 2 & 3 closed
50iMHz	pins 1 & 2 closed
66iMHz	pins 2 & 3 closed