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Installation Guide, Third Edition - Server Expansion Unit

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Chapter 1
Introduction
Detailed Server Expansion Unit Description
14
Figure 1-7 Left-Front View of Server Expansion Unit
The PCI on-line replacement (OLR) fan modules are located in front of the PCI cards. These six fans are
housed in plastic carriers. They are configured in two rows of three fans.
Four OLR system fan modules, externally attached to the chassis, are 120-mm (4.7-inch) fans. Two fans are
mounted on the front surface of the chassis and two are mounted on the rear surface.
A cable harness that connects from the rear of the BPSs to the system backplane provides DC power
distribution.
The mass storage backplane obtains power from a cable connected to the PCI-X backplane.
KIO009
2/28/03
PCI OLR Fan
Front Panel
Hard Drive
PCI Power Supply
Front OLR Fan
BPS
Removable Media Drive