1Hard drive board connectors (PCI-e x4)

3SDHC module

(System supports one SDHC card)

5ME recovery mode header (JP10)

7CPU socket

9NIC1/NIC2 RJ45 connector

11Power button

13DIMM slots

15BIOS recovery mode jumper (JP11)

17SATA connectors (hard drive 1)

19Hard drive board connectors (PCI-e x8)

2 BMC disable header (JP1)

4BIOS/BMC COM port switch header (JP3/JP4)

6 COM port connector (J9)

8Mezzanine card connector (8-sled only)

10VGA/USB connector

12Battery socket

14NVRAM clear setting (JP5)

16SATA connectors (hard drive 0)

18SATA connectors (hard drive 2)

20SATA connectors (hard drive 3)

Table 5-1. System Board Jumper Settings

Jumper

Description

Default Setting

Function

 

 

 

 

JP1

BMC disable header

Open

Debug only

 

(JP1)

 

Do not install jumper

 

 

 

JP3/4

BIOS/BMC COM

1&2: BIOS COM

1&2: BIOS COM port header

 

port jumper

 

(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

Open

1-2: BIOS recovery mode

 

jumper

 

 

 

 

 

 

NOTE: BIOS default settings are loaded after an NVRAM clear procedure. All user defined settings are lost.

112

Jumpers and Connectors

Page 112
Image 112
Dell C5220 owner manual 112, JP5