Lenovo ThinkServer TD330 Manual page 58

7 Power Management Bus (PMBus) connector
The ThinkServer Management Module can read the power supply status registered through PMBus. You do
not need to connect any device to the PMBus connector. This connector is kept for power management in
models with redundant power supplies. The function of the PMBus connector is not available for models
with a screw-secured non-hot-swap power supply assembly.
8
System fan 2 connector
Used to connect the cable of the upper front system fan (front system fan 2).
10 Microprocessor 1 fan connector
Used to connect the heat sink and fan assembly 1 cable.
11
Microprocessor 1 power connector
Used to connect the power connector of the power supply to provide power to the microprocessor installed
in the microprocessor socket 1.
12 System board battery
Your server has a special type of memory that maintains the date, time, and configuration information for
built-in features. The system board battery keeps the information active when you turn off the server.
13 Platform Controller Hub (PCH)
This chip provides the data buffering and interface arbitration required to ensure that system interfaces
operate efficiently and provides the bandwidth necessary for the system to achieve peak performance. The
chip also supports and provides many other features, including the onboard SATA/SAS software RAID.
14
System fan 1 connector
Used to connect the cable of the lower front system fan (front system fan 1).
15 SAS connector 4-7
Used to connect the mini-SAS connector on one end of a mini-SAS to mini-SAS signal cable to support the
hard disk drive 4 to hard disk drive 7.
16 17 22 23 24 25 SATA connectors
Used to connect SATA signal cables for the SATA hard disk drives or SATA optical drives.
18
SAS connector 0-3
Used to connect the mini-SAS connector on one end of a mini-SAS to mini-SAS signal cable to support the
hard disk drive 0 to hard disk drive 3.
19 SATA SGPIO connector
Used to connect the SGPIO port of the mini-SAS signal cable that has four SATA ports and one SGPIO port
to enable the RAID status LEDs for hot-swap hard disk drives.
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ThinkServer TD330 Hardware Maintenance Manual