Inside The System - Dell POWEREDGE 840 Hardware Owner's Manual

Inside the System

In Figure 3-1, the system cover is opened and the front bezel removed to provide an interior view of the
system.
Figure 3-1. Inside the System
1
7
1 front fan
4 cooling shroud
7 chassis-intrusion switch
The system board can accommodate a single processor, five expansion cards, and four memory modules.
The hard-drive cage provides space for up to four SAS or SATA hard drives. Two 5.25-inch external drive
bays in the front of the system can accommodate optical or tape drives; a single 3.25 drive can
accommodate an optional diskette drive. A controller expansion card is required to use SAS hard drives.
Power is supplied to the system board and internal peripherals through a single, nonredundant power
supply.
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Installing System Components
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6
2 drive cage
5 power supply
3
4
3 expansion cards (optional)
6 5.25-inch drive bays (2)
5