Lenovo ThinkServer RD440 - Manual (Page 49)

Components of server models with 2.5-inch hard-disk-drive bays
ID PSU
Mem CPU
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Figure 22. Components of server models with 2.5-inch hard-disk-drive bays
1 Cooling shroud 13 Slim optical drive (available in some models)
2 Power supply cooling shroud 14 Diagnostic module (varies by model)
3 Riser card assembly 2 15 Rack handle (left)
4 One or two hot-swap redundant power supplies 16 Front panel board
5 PCI Express cards (available in some models) 17 System fans (5)
6 Heat sinks with microprocessors underneath 18 CPU1 DIMMs (vary by model)
7 Hot-swap hard-disk-drive backplanes 19 CPU2 DIMMs (vary by model)
8 Rack handle (right) 20 System board
9 2.5-inch hard-disk-drive area (right cage) 21 Coin-cell battery
10 2.5-inch hard-disk-drive area (middle cage) 22 PCI Express cards (available in some models)
11 Pull-out information card 23 Riser card assembly 1
12 VGA DB-15 connector
CRU identification
CRUs are parts that can be upgraded or replaced by the customer. If a CRU is determined to be defective
during the warranty period, a replacement CRU will be provided to the customer. Customers are responsible
for installing the self-service CRUs for this product. Customers also can install optional-service CRUs, which
Chapter 3 . Product overview 37