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Intel Desktop Board DG41TX Technical Product Specification
4.3
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 37).
Table 37. Front-panel Power LED Blink Codes
Type
Processor initialization
complete
POST complete
BIOS update in progress
Video error
Memory error
Thermal trip warning
4.4
BIOS Error Messages
Whenever a recoverable error occurs during POST, the BIOS displays an error
message describing the problem. Table 38 lists the error messages and provides a
brief description of each.
Table 38. BIOS Error Messages
Error Message
CMOS Battery Low
CMOS Checksum Bad
Memory Size Decreased
No Boot Device Available
72
Pattern
On when the system powers up, then off for
0.5 seconds.
On when the system powers up, then off for
0.5 seconds.
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.
On-off (0.5 seconds each) two times, then
3.0 second pause (off), entire pattern repeats
(blink and pause) until the system is powered
off.
On-off (0.5 seconds each) three times, then
3.0 second pause (off), entire pattern repeats
(blinks and pause) until the system is powered
off.
On-off (0.5 seconds each) four times, then
3.0 second pause (off), entire pattern repeats
(blinks and pause) until the sixteenth blink, then
ends.
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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