Table 10. Components on the system board
1 Processor power connector
Note: The 2x2 pins marked in grey are for 300W PSU.
14 3V battery (CR2032)
2 Processor
15 SATA 3 connector (drive bay 3)
3 Processor heat sink fan power connector
16 SATA 4 connector (ODD drive)
4 Memory module slot 1
17 SATA 2 connector (drive bay 2)
5 Memory module slot 2
18 SATA 1 connector (drive bay 1)
6 Memory module slot 3 19 M.2 connector
7 Memory module slot 4 20 Thermal sensor connector
8 Power button with LED connector
21 PCIe slot 3 (PCI Express 3.0 x4 )
9 Mono amplifier (speaker) connector 22 PCIe slot 2 (PCI Express 3.0 x1)
10 System power connector 23 PCIe slot 1 (PCI Express 4.0 x16)
11 SATA power 1 connector
24 Rear fan connector
12 SATA power 2 connector
25 Intrusion switch connector
13 Front fan connector
RAID adapters
Use this information to locate the connectors on the optional RAID adapters.
Figure 10. Connectors on SATA/SAS RAID adapter (8i)
Note: The RAID adapter should be installed in PCIe slot 1.
Internal cable routing
Some of the components in the server come with internal cables meant for specific connectors.
Cable routing guidelines
Before connecting the cables, read the following guidelines carefully:
• Turn off the server before you connect or disconnect any internal cables.
• Refer to the documentation that comes with any external devices for additional cabling instructions.
• Make use of the identifiers printed on the cables to locate the proper connectors.
• Ensure that the cable is not pinched and does not cover any connectors or obstruct any components on
the system board.
Chapter 2. Server components 19
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