System Board Overview - HP P Class 450/500/550/600/650/700/750 Reference Manual

System Board

System Board Overview

System Board Overview
The following diagram shows where the different chips and connectors are positioned on
the system board for both desktop and minitower models.
9-pin Serial Port Connectors
Keyboard and Mouse
Connector
25-pin Parallel Port
Connector
Audio Jack. Line Out
MIDI/Joystick Connector
Audio Jacks. Line In and
MIC IN
USB Connector
AGP Slot
PCI Slots
ISA Slots
a. Refer to the Switch Block Label located on the chassis of the system box for the
different system board switch settings.
b. Available only on HP V
.
32
VRM 2
Processor Fan
Processor 1 Processor 2
External Start
Personal Workstations.
ISUALIZE
a
System Board Switches
Power
NS317
Super
Main
440BX
PLL
Host Bridge
2 X
Flash
EEPR
PIIX4E
I/O
Serial
Cards
EEPROM
Mic In
Multimedia Panel
FDD
External Battery
Disk Drive Fans
On/Off Status
b
LCD Panel
4
3
Memory Modules
1
MaxiLife
(used for hardware
ASIC
monitoring)
IDE 2 Connector
LCD Status Panel
IDE 1 Connector
Wake On Lan
Audio
AD181
Loudspeaker
Aux In Audio
CD In Audio
b
Chapter 2