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Error Reporting and Handling
Intel® Server Board SE7520AF2 TPS
206
Revision
1.2
Intel order number C77866-003
AC
First ASL check point. Indicates the system is
running in ACPI mode.
AA
System is running in APIC mode.
01, 02, 03, 04, 05
Entering sleep state S1, S2, S3, S4, or S5.
10, 20, 30, 40, 50
Waking from sleep state S1, S2, S3, S4, or
S5.
7.3.2 BIOS
Messages
Table 95. Memory BIOS Messages
Message Displayed
Description
Gate20 Error
The BIOS is unable to properly control the motherboard’s
Gate A20 function, which controls access of memory
over 1 MB. This may indicate a problem with the
motherboard.
Multi-Bit ECC Error
This message will only occur on systems using ECC
enabled memory modules. ECC memory has the ability
to correct single-bit errors that may occur from faulty
memory modules.
A multiple bit corruption of memory has occurred, and the
ECC memory algorithm cannot correct it. This may
indicate a defective memory module.
Parity Error
Fatal Memory Parity Error. System halts after displaying
this message.
Table 96. Boot BIOS Messages
Message Displayed
Description
Boot Failure ...
This is a generic message indicating the BIOS could not
boot from a particular device. This message is usually
followed by other information concerning the device.
Invalid Boot Diskette
A diskette was found in the drive, but it is not configured
as a bootable diskette.
Drive Not Ready
The BIOS was unable to access the drive because it
indicated it was not ready for data transfer. This is often
reported by drives when no media is present.
A: Drive Error
The BIOS attempted to configure the A: drive during
POST, but was unable to properly configure the device.
This may be due to a bad cable or faulty diskette drive.