System-board internal connectors
The following illustration shows the internal connectors on the system board.
Ethernet
activity LED
Microprocessor
power
Rear fan
(CN15)
Internal speaker
connector
Password check
jumper
(JP1)
Boot block
jumper (JP2)
Microprocessor fan
connector (CN1)
SCSI LED
Wake on LAN
System
connector
connector
error LED
(CN20)
(CN4)
(CN25)
Chapter 2. Installing the hardware
Power
Main power
Front panel
(CN7)
Diskette drive
(CN9)
Front USB (CN13)
Secondary IDE
(SEC IDE) (CN12)
Primary IDE
(PRI IDE) (CN11)
CMOS
clear jumper (JP3)
Intrusion switch
(CN22)
®
13