Lenovo ThinkSystem SR950 V3 - Default Chapter; System I;O Board and Interposer Assembly Connectors; System I;O Board and Interposer Assembly Switches

J56 switch block
The following table describes the functions of the J56 switch block on the upper processor board (CPU BD).
Table 7. Upper processor board (CPU BD) J56 switch block description
Location
Jumper Name
Position Function
J56A Reserved 1-2 (Default) Reserved
2-3 Reserved
J56B Reserved
1-2 (Default)
Reserved
2-3 Reserved
J56C
Reserved
1-2 (Default)
Reserved
2-3 Reserved
System I/O board and interposer assembly connectors
The following illustrations show the internal connectors on the System I/O board and interposer assembly.
Figure 11. System I/O board and interposer assembly connectors
Table 8. System I/O board and interposer assembly connectors
1 Firmware and RoT security module connector 7 External diagnostics handset connector
2 MicroSD socket 8 SCM connector
3 Serial port module connector 9 Rear OCP connector
4 Second management Ethernet connector
10 Rear Ethernet card connector
5 Internal USB connector
11 PHY 2 connector
6 Front operator panel connector
System I/O board and interposer assembly switches
The following illustrations show the location of the switches on the system I/O board and interposer
assembly.
Important:
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ThinkSystem SR950 V3 System Configuration Guide