Intel Desktop Board D425KT Product Guide
BIOS Front-panel Power LED Blink Codes
The BIOS also blinks the
Table 13. BIOS Front-panel Power LED Blink Codes
Type | Pattern | Note |
|
|
|
BIOS update in | Off when the update begins, then on for |
|
progress | 0.5 second, and then off for 0.5 second. |
|
| The pattern repeats until the BIOS update |
|
| is complete. |
|
|
|
|
Video error | When no VGA option ROM | |
| is found. | |
| repeats (blinks and pause) until the system |
|
| is powered off. |
|
|
|
|
Memory error |
| |
| a |
|
| repeats (blinks and pause) until the system |
|
| is powered off. |
|
|
|
|
Thermal trip warning | Each beep will be accompanied by the |
|
| following blink pattern: 0.25 second on, |
|
| 0.25 second off, 0.25 second on, |
|
| 0.25 second off. This results in a total of |
|
| 16 blinks followed by system shut down. |
|
|
|
|
POST Error Messages
The BIOS also displays error messages on the video monitor when certain recoverable errors occur during the POST. Table 14 lists the error messages with a brief description of each.
Table 14. POST Error Messages
Error Message | Explanation |
|
|
CMOS Battery Low | The battery may be losing power. |
|
|
CMOS Checksum Bad | The CMOS checksum is incorrect. The 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. |
|
|
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