Lenovo 3057 Maintenance Manual page 64

7
SAS connector 4-7
8
SAS connector 0-3
9
System board battery
10
Platform Controller Hub (PCH)
11
Internal USB Type A connector 2
12
TMM Premium connector
13
Internal USB Type A connector 1
14
TPM connector
15
iButton socket
1 Front panel connector
Used to connect the front panel cable if your server has a front panel board installed.
2 Internal USB connector 1
Used to connect the front panel USB cable if your server has a front panel board installed.
3 Internal USB connector 2
Reserved for the manufacturer.
4 Diagnostic module connector
Used to connect the cable of the diagnostic module if your server has a diagnostic module installed.
5 Front VGA connector
Used to connect the cable of the VGA DB-15 connector on the front panel of some server models.
6 SATA connector 0
Used to connect the signal cable of the slim optical drive if your server has a slim optical drive installed.
7 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.
8 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.
9 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.
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ThinkServer RD430 Hardware Maintenance Manual
22
Backplane power connector 2
23
Microprocessor socket 2
24
System fan 5 connector
25
Memory slots (6)
26
System fan 4 connector
27
Microprocessor socket 1
28
System fan 2 connector
29
Memory slots (6)
30
System fan 1 connector