Intel Desktop Board D945GCLF2 Technical Product Specification
4.2BIOS Beep Codes
Whenever a recoverable error occurs during POST, the BIOS causes the board’s speaker to beep an error message describing the problem (see Table 32).
NOTE
For Intel Desktop Board D945GCLF2, the beep code is only audible through a speaker connected to the green audio line out connector on the back panel. See Figure 3 on page 24 for information on the back panel audio connectors.
Table 32. Beep Codes
Type | Pattern | Frequency | |
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Memory error | Three long beeps | 1280 Hz |
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Thermal warning | Four alternating beeps: | High tone: | 2000 Hz |
| High tone, low tone, high tone, low tone | Low tone: | 1600 Hz |
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4.3BIOS Error Messages
Whenever a recoverable error occurs during POST, the BIOS displays an error message describing the problem. Table 33 lists the error messages and provides a brief description of each.
Table 33. BIOS Error Messages
Error Message | Explanation |
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CMOS Battery Low | The battery may be losing power. Replace the battery soon. |
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CMOS Checksum Bad | The CMOS checksum is incorrect. CMOS memory may have been |
| corrupted. Run Setup to reset values. |
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Memory Size Decreased | Memory size has decreased since the last boot. If no memory |
| was removed, then memory may be bad. |
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No Boot Device Available | System did not find a device to boot. |
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