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The following illustration shows the components of server models with 3.5-inch hot-swap hard disk drives.
ID
Mem
CPU
PSU
Figure14. Components of server models with 3.5-inch hot-swap hard disk drives
1 System fans
11 Right rack handle
2 Twenty memory slots (installed memory modules
vary by model)
12 Hard-disk-drive bay 3
3 PCI Express card 13 Optical drive bay (with an optical drive installed in some
models)
4 Cooling shroud
14 Hard-disk-drive bay 2
5 Riser card assembly 1
15 Pull-out information card
6 PCI Express card
16 Hard-disk-drive bay 1
7 Riser card assembly 2 17 Intelligent Diagnostics Module
8 Power supply 18 Hard-disk-drive bay 0
9 Heat sinks (2)
19 Front panel
10 Hot-swap hard-disk-drive backplane
20 Left rack handle
26 ThinkServer RD540 User Guide and Hardware Maintenance Manual