System Board Components - Lenovo ThinkSystem ST550 7X09 Maintenance Manual

System board components

The illustration in this section shows the component locations on the system board.
Figure 10. System board components
Table 7. Components on the system board
Callout
1
CPU 2 power connector
3
DIMM slots (12)
5
Backplane 1 power connector
7
Backplane 3 power connector
9
System fan 3 connector
11
CPU 1 power connector
13
Power-interface-board signal connector
15
SAS 0–3 connector
17
Internal USB 3.0 connector
19
Optical-drive-2 signal connector
21
CMOS battery connector
24
ThinkSystem ST550 Maintenance Manual
Callout
2
Processor 2 socket
4
Main power connector
6
Backplane 2 power connector
8
System fan 2 connector
10
Processor 1 socket
12
System fan 1 connector
14
SAS 4–7 connector
16
Front-panel-USB connector
18
Operator-information-panel connector
20
Optical-drive-1 signal connector
22
M.2 module slot