Intel Desktop Board D2700DC Technical Product Specification
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4.2
Front-panel Power LED Blink Codes
Whenever a recoverable error occurs during POST, the BIOS causes the board’s front
panel power LED to blink an error message describing the problem (see Table 34).
Table 34. Front-panel Power LED Blink Codes
Type
Pattern
Note
BIOS update in progress Off when the update begins, then on for
0.5 seconds, then off for 0.5 seconds. The
pattern repeats until the BIOS update is
complete.
Video error
(Note)
On-off (1.0 second each) two times, then
2.5-second pause (off), entire pattern repeats
(blink 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
2.5-second pause (off), 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: .25 seconds on, .25 seconds off,
.25 seconds on, .25 seconds off. This will result
in a total of 16 blinks.
Note: Disabled per default BIOS setup option.
4.3
BIOS Error Messages
Whenever a recoverable error occurs during POST, the BIOS displays an error message
describing the problem. Table 35 lists the error messages and provides a brief
description of each.
Table 35. BIOS Error Messages
Error Message
Explanation
CMOS Battery Low
The battery may be losing power. Replace the battery soon.
CMOS Checksum Bad
The CMOS checksum is incorrect. 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.
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