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A Error Messages and Indicators

Desktop Board D865GBF/D865GLC reports POST errors in two ways:

• By sounding a beep code

• By displaying an error message on the monitor

BIOS Beep Codes

The BIOS beep codes are listed in Table 41. The BIOS also issues a beep code (one long tone

followed by two short tones) during POST if the video configuration fails (a faulty video card or no

card installed) or if an external ROM module does not properly checksum to zero.

Table 41. Beep Codes

Number of Beeps Description

1 Refresh failure

2 Parity cannot be reset

3 First 64 K memory failure

4 Timer not operational

5 Processor failure (Reserved; not used)

6 8042 GateA20 cannot be toggled (memory failure or not present)

7 Exception interrupt error

8 Display memory R/W error

9 (Reserved; not used)

10 CMOS Shutdown register test error

11 Invalid BIOS (such as, POST module not found)

1 2 ... 86 87 88 89 90 91 92 93 94 95 96 97 98

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Intel D865GBF Fiche technique Page 91