Dell PowerEdge C5220 - Manual (Page 112)

112 Jumpers and Connectors
NOTE: BIOS default settings are loaded after an NVRAM clear procedure. All user
defined settings are lost.
1 Hard drive board connectors (PCI-e
x4)
2 BMC disable header (JP1)
3 SDHC module
(System supports one SDHC card)
4 BIOS/BMC COM port switch header
(JP3/JP4)
5 ME recovery mode header (JP10) 6 COM port connector (J9)
7 CPU socket 8 Mezzanine card connector
(8-sled only)
9 NIC1/NIC2 RJ45 connector 10 VGA/USB connector
11 Power button 12 Battery socket
13 DIMM slots 14 NVRAM clear setting (JP5)
15 BIOS recovery mode jumper (JP11) 16 SATA connectors (hard drive 0)
17 SATA connectors (hard drive 1) 18 SATA connectors (hard drive 2)
19 Hard drive board connectors
(PCI-e x8)
20 SATA connectors (hard drive 3)
Table 5-1. System Board Jumper Settings
Jumper Description Default Setting Function
JP1 BMC disable header
(JP1)
Open Debug only
Do not install jumper
JP3/4 BIOS/BMC COM
port jumper
1&2: BIOS COM 1&2: BIOS COM port header
(Default)
2&3: BMC debug header
JP5 NVRAM clear 1&2: Hold 1&2: Hold (Default)
2&3: Clear NVRAM & password
JP10 ME recovery mode Open Debug only
Do not install jumper
JP11 BIOS recovery
jumper
Open 1-2: BIOS recovery mode