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System-board internal connectors
The following illustration shows the internal connectors on the system board.
Front 1394 (FireWire)
Diskette
Primary IDE
Secondary IDE
Rear system
fan 1
Rear system
fan 2
CD-ROM
audio in
Front panel
audio
Speaker
Optional microprocessor board connectors
If you decide to add a second microprocessor to your computer, the microprocessor
option kit includes a microprocessor board that you attach to the system board. The
following illustration shows the connectors on the microprocessor board.
Microprocessor fan
Front Ethernet activity LED
SATA 0
SATA 1
Front USB connectors
Power
Intrusion switch
DIMM 8
DIMM 7
DIMM 6
DIMM 5
Chapter 2. Installing the hardware
Front panel
Microprocessor 1 fan
Extender board
power (CN22)
Microprocessor power
Reserved
System-error LED
SCSI channel B
Extender board
power
SCSI channel A
13
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