System-board internal connectors
The following illustration shows the internal connectors on the system board.
Serial
ATA
Fan 4
Front
USB
SCSI
channel A
SCSI
activity
LEDs
Primary
IDE
Wake
on LAN
SCSI
channel B
Fan 1
Diskette
drive
SCSI
backplane
Main
power
Fan 2
Front panel
switch/LEDs
Microprocessor
power
Fan 3
Chapter 1. Introduction
3