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.
9
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
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.
13
iButton socket
By default, your server supports onboard SATA/SAS software RAID levels 0, 1, and 10. However, you can
activate onboard SATA/SAS software RAID 5 by installing a ThinkServer RAID 100 or RAID 300 upgrade key
for Advanced RAID in the iButton socket. For more information, see “Installing or removing the ThinkServer
RAID 100 or RAID 300 upgrade key for Advanced RAID” on page 118.
14
System fan 1 connector
Used to connect the cable of the lower front system fan (front system fan 1).
15
-
18 20 21
SATA connectors
Used to connect SATA signal cables for the SATA hard disk drives or SATA optical drives.
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.
22
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.
23
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.
50
ThinkServer TD340 User Guide and Hardware Maintenance Manual
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