112Vpowerconnector15Frontpanelconnector
2Microprocessorandheatsink
16FrontUSB2.0connector
3Microprocessorfanheader
17Battery
4Memoryslots(4)18ClearCMOSjumper
5Thermalsensorheader
19FrontUSB3.0connector
6MiniPCI-Eslot
20Modeswitchconnector
7Powerconnector
21Serial(COM2)connector
8FrontUSB3.0slot
22MEdisablejumper
9PCIexpressX16adapterslot23LPCdebugconnector
10SPIdebugconnector24ClearCMOSjumper
11Solidstatediskpowerconnector
25Frontaudioconnector
12SATAconnectors(4)26PCIexpressX1adapterslots(3)
13eSATAconnector27Systemfanheader
14Powerfanheader
24LenovoErazerX310HardwareMaintenanceManual