Lenovo ThinkSystem SR950 V3 - PE3 AB_L Connector; PE3 CD_L Connector; PE4 AB_L Connector; PE4 AB_R Connector

Figure 13. Lower processor board (MB) connectors
Table 10. Lower processor board (MB) connectors
1 PE4AB_L connector 15 M.2 slot 2
2 PE4CD_L connector 16 PCIe slot P3/S3
3 PDB_CONN1 connector 17 SCM connector
4 UPI3_L connector 18 Front intrusion connector
5 PE4AB_R connector 19 Internal sideband connector
6 PE4CD_R connector
20 External sideband slot
7 PDB_CONN2 connector 21 PCIe slot P2/S2
8 UPI3_R connector
22 PCIe slot P1/S1
9 Rear OCP connector
23 Top cover intrusion connector
10 UPI0_R connector 24 M.2 slot 1
11 UPI1_R connector
25 CMOS battery
12 Rear OCP power connector
26 UPI0_L connector
24 ThinkSystem SR950 V3 System Configuration Guide