Intel DH55PJ BOXDH55PJ Manual De Usuario

68 

 

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 38). 

F2 Setup/F10 Boot Menu 
Prompt 

None  

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 (no add-in 
graphics card installed) 

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. 

For processors requiring an 
add-in graphics card 

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. 

 

Table 39 lists the error messages and provides a brief description of each. 

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.