Lenovo ThinkServer TD350 70DG User Manual And Hardware Maintenance Manual page 56

1 Coin-cell battery
Your server has a special type of memory that maintains the date, time, and configuration information for
built-in features. The coin-cell battery keeps the information active when you turn off the server.
2 System-board signal connector
Used to connect the signal cable of the power interface board.
3 Optical-drive power connector
Used to connect the power cable of the optical drive.
4 System-board power connector 1
11
System-board power connector 2
Used to connect the power cables of the power interface board to provide power to your server.
5 Backplane power connector 2
6 Backplane power connector 1
Used to connect the power cable from the backplanes.
7 System fan connector
Used to connect the cable of the system fans and system-fan status LEDs.
8 10 26 28 Memory slots
Your server system board provides 16 memory slots to support up to 16 memory modules. For more
information, see "Memory module installation rules" on page 76.
9 Microprocessor socket 1
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Microprocessor socket 2
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.
12 SD-module connector
Used to connect the signal cable of the SD module if the server has one installed.
13 SATA connector 0 (ports 0–3)
14 SATA connector 1(ports 4–7)
Used to connect the SATA signal cable from the system board to the pass-through board.
15
Front panel connector
Used to connect the front panel cable.
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ThinkServer TD350 User Guide and Hardware Maintenance Manual