Diagnostic information 2-23
950.xx Service
NVRAM Failure
There is a mismatch between controller
EEPROM and mirror.
• 950.00 through 950.29 codes:
mismatch between controller and
mirror
• 950.30 through 950.60 codes:
mismatch between secure and
controller
Go to “950.xx NVRAM failure service
check” on page 2-33.
951.xx Service
NVRAM Failure
Mismatch between controller EEPROM
and mirror.
• 951.00 through 951.29 codes:
mismatch between controller and
mirror
• 951.30 through 951.60: mismatch
between secure and controller
952.xx Service
NVRAM Failure
A recoverable MVRAM Cyclic
Redundancy Check (CRC) error
occurred. “n” is the offset at which the
error occurred.
Performing a POR will clear this error.
953.xx Service
NVRAM Failure
NVRAM chip failure with mirror.
954.xx Service
NVRAM Failure
The NVRAM chip failure with controller
part.
955.xx Service
Code CRC <loc>
The Code ROM or NAND flash failed
the Cyclic Redundancy Check (CRC)
check or the NAND experienced an
uncorrectible multi-bit failure. “<loc>”
indicates the source of the failure and
has one of the following values:
• CRC Failure: The source is a
failing package indicated by Pn
where “n” is the package number.
This error could occur on a
controller with ROM or NAND flash
and could occur as a result of the
CRC check done when the
machine is powered on. The range
of package numbers is from 0 to
15.
• Error Correction Code (ECC)
Failure: The source is a failing
page indicated by Bn where “n” is
the page number. This error occurs
only if a multi-bit failure is detected
during the ECC execution. Single
bit failures will be corrected
automatically and will not result in a
service error. The range of page
numbers is from 0 to 1023.
956.00 Service
System Board
Controller board failure. Processor
failure.
Replace conrtroller board. See“Controller
board removal” on page 4-18.
956.01 Service
System Board
Processor over temperature.
957.xx Service
System Board
Controller board failure. ASIC failure.
Service error messages (1XX, 8XX and 9xx) (continued)
Error code Description Action
Y112730-2
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