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Intel Desktop Board D2500CC Technical Product Specification
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 42).
Table 42. Front-panel Power LED Blink Codes
Type
BIOS update in progress Off when the update begins, then on for
(Note)
Video error
Memory error
Thermal trip warning
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 43 lists the error messages and provides a brief
description of each.
Table 43. BIOS Error Messages
Error Message
CMOS Battery Low
CMOS Checksum Bad
Memory Size Decreased
No Boot Device Available
76
Pattern
0.5 seconds, then off for 0.5 seconds. The
pattern repeats until the BIOS update is
complete.
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.
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.
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.
Explanation
The battery may be losing power. Replace the battery soon.
The CMOS checksum is incorrect. CMOS memory may have
been corrupted. Run Setup to reset values.
Memory size has decreased since the last boot. If no memory
was removed, then memory may be bad.
System did not find a device to boot.
Note
When no VGA option ROM is
found.
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