Product guide
Table Of Contents
- Intel® Desktop Board DP55WG Product Guide
- Revision History
- Preface
- Contents
- 1 Desktop Board Features
- Supported Operating Systems
- Desktop Board Components
- Processor
- Main Memory
- Intel® P55 Express Chipset
- Audio Subsystem
- LAN Subsystem
- USB 2.0 Support
- Serial ATA Support
- Legacy I/O
- Expandability
- BIOS
- Hardware Management
- Power Management
- Onboard Power Button
- Processor and Voltage Regulator LEDs
- Back to BIOS Button
- 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 System Memory
- Installing and Removing PCI Express x16 Graphics Cards
- Connecting the Serial ATA (SATA) Cables
- Connecting to the Internal Headers
- 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
- 4 Configuring for RAID Using Intel® Matrix Storage Technology
- A Error Messages and Indicators
- B Regulatory Compliance

Desktop Board Features
25
Onboard Power Button
CAUTION
Electrostatic discharge (ESD) can damage components. Perform the procedure
described in this section only at an ESD workstation using an antistatic wrist strap and
a conductive foam pad. If such a station is not available, you can provide some ESD
protection by wearing an antistatic wrist strap and attaching it to a metal part of the
computer chassis.
The power button on the Desktop Board (see Figure 5) can be used to turn the
computer o
n or off. The button duplicates the function of the front panel power
button. To turn off the computer using the onboard power button, press it for three
seconds.
Figure 5. Onboard Power Button