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April, 2007 SERVICE CALL CONDITIONS
4-67
Self-diagnostic error 4: NVRAM
SC824
C
NVRAM device does not exist,
NVRAM device is damaged, NVRAM
socket damaged
• NVRAM defective
• Controller board defective
• NVRAM backup battery exhausted
• NVRAM socket damaged
Self-diagnostic error 6: NVRAM (option NVRAM)
1501
The difference between the 1
s measured for RTC in the
NVRAM and the 1 s timeout
of the CPU is out of range, or
the NVRAM is not detected.
• NVRAM defective
• NVRAM installed incorrectly
• Replace RTC backup battery
SC826
C
15FE
Backup battery error. Battery
is exhausted or not within
rated specification.
• Replace RTC backup battery
Self-diagnostic error 7: ROM
SC828
C
• Measuring the CRC for the boot
monitor and operating system
program results in an error.
• A check of the CRC value for
ROMFS of the entire ROM area
results in an error.
• Software defective
• Controller board defective
• ROM defective
NOTE: For more details about this SC 833, SC834 error, execute SP5990 to print an
SMC report so you can read the error code. The error code is not displayed on
the operation panel. The additional error codes (0F30, 0F31, etc. are listed in the
SMC report.
SC833
D
Self-diagnostic error 8: Engine I/F ASIC
0F30
0F31
ASIC (Mandolin) for system control
could not be detected. After the PCI
configuration, the device ID for the
ASIC could not be checked.
• Replace the mother board
0F41
The read/write check done for
resident RAM on the mother board
could not be done correctly.
• Replace the mother board
50B1
Could not initialize or read the bus
connection.
• Check for loose connections at the
mother board.
• Replace the mother board
50B2
Value of the SSCG register is
incorrect.
• Check for loose connections at the
mother board.
• Replace the mother board
SC834
D
Self-diagnostic error 9: Optional Memory RAM DIMM
5101
The write/verify check for the
optional RAM chip on the engine
mother board gave an error.
• Controller defective
• Mother board defective