Troubleshooting
42 Intel Server Board SE7210TP1-E User Guide
BIOS Error Messages (continued)
Error Message Explanation
On Board Parity Error A parity error occurred in onboard memory. This error is followed
by an address.
Parity Error A parity error occurred in onboard memory at an unknown
address.
NVRAM / CMOS / PASSWORD
cleared by Jumper NVRAM, CMOS, and passwords have been cleared. The system
should be powered down and the jumper removed.
<CTRL_N> Pressed CMOS is ignored and NVRAM is cleared. User must enter Setup.
BIOS POST Beep Codes
The table below lists the POST error beep codes. Prior to system video initialization, the BIOS uses
these beep codes to inform users of error conditions. The beep code occurs only when a critical
error occurs or when the BIOS fails to boot to the operating system. Please note that not all error
conditions are supported by BIOS beep codes.
Table 6. 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)
BIOS Recovery Beep Codes
Table 7. BIOS Recovery Beep Codes
Number of Beeps Reason
1 One long beep – video is active.
1-2 One long beep and two short beeps: Insert the BIOS recovery diskette.