Intel® Server Board SE7520JR2

Connectors and Jumper Blocks

7.8Jumper Blocks

The baseboard has several jumper blocks used to configure or enable/disable various features. This section describes the usage and settings of each.

Table 111: Jumper Block Definitions

Reference

Name

Description

ID

 

 

J1H2 (A)

CMOS Clear

Clears CMOS settings

J1H2 (B)

BIOS

Forces the system to boot into BIOS

 

Recovery Boot

Recovery mode. A bootable Recovery

 

 

BIOS Floppy disk must be in Drive A for

 

 

this operation.

J1H2 (C)

Password

Clears Administrator and User

 

Clear

passwords as set in BIOS Setup

J1A4

Rolling BIOS

Sets the BIOS flash device to boot from

 

Configuration

either the upper or lower banks of the

 

 

flash device.

J7A1

Serial B

Configures Pin 7 of the RJ45 Serial B

 

Configuration

port to support either a DCD or DSR

 

 

signal

Settings

CMOS Clear by BMC – Pins 1-2 (Default) CMOS Clear Force Erase – Pins 2-3 Normal Boot - Pins 1-2 (Default) Enabled – Pins 2-3

Password Clr Protect – Pins 1-2 (Default) Password Clr Erase – Pins 2-3 Normal Operation – Pins 1-2 (Default) Force to lower bank – Pins 2-3

DCD Select –Pins 1-3

DSR Select – Pins 2-4 (Default)

 

J1H2

C

CMOS Clear

B

BIOS Recovery Boot

A Password Clear 1 2 3

Figure 26. System Configuration (J1H2) Jumper Block Settings

Revision 1.0

201

 

C78844-002