Intel S875WP1 Product Guide - Page 95

Solving BIOS Problems, BIOS Beep Codes

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4 Solving BIOS Problems The board 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 42. The BIOS also issues a beep code (one long tone followed by two short tones) during POST if the video configuration fails, or if an external ROM module does not properly checksum to zero. Table 42. Beep Codes Number of Beeps Description 1 Refresh failure 2 Parity cannot be reset 3 First 64 Kb 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) Solving BIOS Problems 95

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Solving BIOS Problems
95
4 Solving BIOS Problems
The board 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 42.
The BIOS also issues a beep code (one long tone
followed by two short tones) during POST if the video configuration fails, or if an external
ROM module does not properly checksum to zero.
Table 42.
Beep Codes
Number of Beeps
Description
1
Refresh failure
2
Parity cannot be reset
3
First 64 Kb 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)