Product guide
Table Of Contents
- Intel® Desktop Board DG31PR Product Guide
- Revision History
- Preface
- Contents
- 1 Desktop Board Features
- Supported Operating Systems
- Desktop Board Components
- Processor
- Main Memory
- Intel® G31 Express Chipset
- Audio Subsystem
- Legacy Input/Output (I/O) Controller
- LAN Subsystem
- Hi-Speed USB 2.0 Support
- Enhanced IDE Interface
- Serial ATA
- Expandability
- BIOS
- Hardware Management Features
- Power Management Features
- Speaker
- Battery
- Real-Time Clock
- 2 Installing and Replacing Desktop Board Components
- Before You Begin
- Installation Precautions
- Installing the I/O Shield
- Installing and Removing the Desktop Board
- Installing and Removing a Processor
- Installing and Removing Memory
- Installing and Removing a PCI Express x16 Card
- Connecting the Diskette Drive Cable
- Connecting the IDE Cable
- Connecting the Serial ATA (SATA) Cables
- Connecting to the Internal Headers and Connectors
- Connecting to the Audio System
- Connecting Chassis Fan and Power Supply Cables
- Setting the BIOS Configuration Jumper
- Clearing Passwords
- Replacing the Battery
- 3 Updating the BIOS
- A Error Messages and Indicators
- B Regulatory Compliance

Installing and Replacing Desktop Board Components
53
Clearing Passwords
This procedure assumes that the board is installed in the computer and the
configuration jumper block is set to normal mode.
1. Observe the precautions in "Before You Begin" on page 27.
2. Turn off all peripheral devices connected to the
computer. Turn off the computer.
Disconnect the computer’s power cord from the AC power source (wall outlet or
power adapter).
3. Remove the computer cover.
4. Find the configuration jumper block (see
Figure 25).
5. Place the jumper on pins 2-3 as shown
below.
6. Replace the cover, plug in the computer, turn on the computer, and allow it to
boot.
7. The computer starts the Setup program. Setup displays the Maintenance menu.
8. Use the arrow keys to select Clear Passwords. Press <Enter> and Setup displays a
pop-up screen requesting that you confirm clearing the password. Select Yes and
press <Enter>.
Setup displays the maintenance menu again.
9. Press <F10> to save the current values and exit Setup.
10. Turn off the computer. Disconnect the computer’s power cord from the AC power
source.
11. Remove the computer cover.
12. To restore normal operation, place the jumper on pins 1-2 as shown below.
13. Replace the cover, plug in the computer, and turn on the computer.