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
51
Connecting Supply Power Cables
CAUTION
Failure to use an appropriate power supply and/or not connecting the 12 V (2 x 2 pin)
power connector to the Desktop Board may result in damage to the board or the
system may not function properly.
The 2 x 12 pin main power connector on the Desktop Board is backwards compatible
with ATX12V power supplies with 2 x 10 connectors.
Figure 24 shows the location of
the
Desktop Board power connectors.
Figure 24. Connecting Power Supply Cables
1. Observe the precautions in "Before You Begin" on page 27.
2. Connect the main power supply cable to the 2 x 12 pin connector.
3. Connect the 12 V processor core voltage power supply cable to the 2 x 2 pin
connector.