Intel DH61HO Technical Product Specification - Page 62

Front-panel Power LED Blink Codes, BIOS Error Messages

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Intel Desktop Board DH61HO 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 32). Table 32. Front-panel Power LED Blink Codes Type Pattern F2 Setup/F10 Boot Menu None Prompt 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. 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 For processors requiring an add-in graphics card 4.4 BIOS Error Messages Table 33 lists the error messages and provides a brief description of each. Table 33. BIOS Error Messages Error Message CMOS Battery Low CMOS Checksum Bad Memory Size Decreased No Boot Device Available 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. 62

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Intel Desktop Board DH61HO Technical Product Specification
62
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 32).
Table 32.
Front-panel Power LED Blink Codes
Type
Pattern
Note
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.
4.4
BIOS Error Messages
Table 33 lists the error messages and provides a brief description of each.
Table 33.
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.