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A Error Messages and Indicators
Intel Desktop Board DP67BG reports POST errors in three ways:
• By sounding a beep code and blinking the front panel power LED
• By displaying an error message on the monitor
• By displaying diagnostic progress codes (POST codes)
BIOS Error Codes
Whenever a recoverable error occurs during POST, the BIOS causes the board’s
speaker to beep and the front panel power LED to blink an error message indicating
the problem (see Table 16).
Table 16.
BIOS Beep Codes
Type Pattern
Processor
initialization complete
One 0.5 second beep when the CPU initialization process
completes.
POST complete One 0.5 second beep when POST completes.
Video error On-off (0.5 seconds each) two times, then 3.0 second pause
(off), entire pattern repeats (beeps and pause) until the system
is powered off.
Memory error On-off (0.5 seconds each) three times, then 3.0 second pause
(off), entire pattern repeats (beeps and pause) until the system
is powered off.
Thermal trip warning On-off (0.5 seconds each) four times, then 3.0 second pause
(off), entire pattern repeats (beeps and pause) until the
sixteenth beep, then ends.
Table 17. Front-panel Power LED Blink Codes
Type Pattern
Processor
initialization complete
On when the system powers up, then off for 0.5 seconds.
POST complete On when the system powers up, then off for 0.5 seconds.
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 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.
Memory error 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.
Thermal trip warning 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.
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