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

Intel Desktop Board DG31PR Product Guide
70
Table 15 shows the lead-free board markings as they appear on the board and
accompanying collateral.
Table 15. Lead-Free Board Markings
Description Mark
Lead-Free 2
nd
Level
Interconnect: This symbol
is used to identify electrical
and electronic assemblies and
components in which the lead
(Pb) concentration level in the
Intel Desktop Board substrate
and the solder connections
from the board to the
components (second-level
interconnect) is not greater
than 0.1% by weight (1000
ppm).
or
or
China
RoHS/Environmentally
Friendly Use Period Logo:
This is an example of the
symbol used on Intel Desktop
Boards and associated
collateral. The color of the
mark may vary depending
upon the application. The
Environmental Friendly Usage
Period (EFUP) for Intel
Desktop Boards has been
determined to be 10 years.