Product Guide for Intel Desktop Board D2700DC
Table Of Contents
- Intel® Desktop Board D2700DC Product Guide
- Revision History
- Preface
- 1 Desktop Board Features
- Operating System Support
- Desktop Board Components
- Processor
- System Memory
- Graphics Support
- Intel® NM10 Express Chipset
- Onboard Audio Subsystem
- Legacy Input/Output (I/O) Controller
- LAN Subsystem
- USB 2.0 Support
- SATA Interface
- Expandability
- BIOS
- Hardware Management Features
- Power Management Features
- 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 Memory
- Connecting SATA Drives
- Installing a PCI Express Mini Card
- Installing an Intel® Z-U130 USB Solid-State Drive or Compatible Device
- Connecting to the Internal Headers
- Connecting a System Fan
- Connecting a Power Supply
- Setting the BIOS Configuration Jumper
- Replacing the Battery
- 3 Updating the BIOS
- A Board Status and Error Messages
- B Regulatory Compliance

Intel Desktop Board D2700DC Product Guide
52
BIOS Front-panel Power LED Blink Codes
The BIOS also blinks the front-panel power LED to signal status messages and error
messages indicating certain recoverable errors that occur during the POST. The blink
codes are listed in Table 15.
Table 15.
BIOS Front-panel Power LED Blink Codes
Type Pattern Note
BIOS update in
progress
Off when the update begins, then on for
0.5 second, and then off for 0.5 second.
The pattern repeats until the BIOS update
is complete.
Video error
(Note)
On-off (1.0 second each) two times, then a
2.5-second pause (off); the entire pattern
repeats (blinks and pause) until the system
is powered off.
When no VGA option ROM
is found.
Memory error On-off (1.0 second each) three times, then
a 2.5-second pause (off); the entire pattern
repeats (blinks and pause) until the system
is powered off.
Thermal trip warning Each beep will be accompanied by the
following blink pattern: 0.25 second on,
0.25 second off, 0.25 second on,
0.25 second off. This results in a total of
16 blinks followed by system shut down.
Note: Disabled by default BIOS Setup option.
POST Error Messages
The BIOS also displays error messages on the video monitor when certain recoverable
errors occur during the POST. Table 16 lists the error messages with a brief
description of each.
Table 16.
POST Error Messages
Error Message Explanation
CMOS Battery Low The battery may be losing power.
CMOS Checksum Bad The CMOS checksum is incorrect. The CMOS memory
may have been corrupted. Run Setup to reset values.
Memory Size Decreased Memory size has decreased since the last boot. If no
memory was removed, then memory may be bad.
No Boot Device Available System did not find a device to boot.