Lenovo ThinkServer RD450 User Manual And Hardware Maintenance Manual page 54

15 Power supply connector 2
Used to connect the power supply 2.
16 Power supply connector 1
Used to connect the power supply 1.
17 Intrusion switch connector
Used to connect to an intrusion switch.
18 19 Backplane power connector
Used to connect to the 10-pin power connector on the backplane.
21 23 26 28 System fan connector
Used to connect a system fan.
20 24 25 29 Memory slots
There are 16 memory slots on the system board. For detailed information, see "Memory module installation
rules" on page 70.
22 Microprocessor 2 socket
27 Microprocessor 1 socket
If the server has two microprocessors, each of the microprocessor is secured in the microprocessor socket
on the system board and a heat sink is installed above the microprocessor to provide cooling. If the server
has only one microprocessor, the microprocessor socket 2 is protected by a microprocessor socket cover.
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ThinkServer RD450 User Guide and Hardware Maintenance Manual