User`s guide

Failing function code 640
The 9.1 GB Ultra SCSI disk drive (80-pin) might be failing.
Use the following table to determine the part number for the field replaceable unit (FRU).
CCIN or FFC Type and model Part number Description Location code
640 Any 34L2233 9.1 GB ultra SCSI
disk drive (80-pin)
If you need additional information for failing part numbers, location codes, or removal and replacement
procedures, see Part locations and location codes. Select your machine type and model number to find
additional location codes, part numbers, or replacement procedures for your system.
Failing function code 643
The 18.2 GB Ultra LVD SCSI disk drive might be failing.
Use the following table to determine the part number for the field replaceable unit (FRU).
CCIN or FFC Type and model Part number Description Location code
643 Any 09L3116 18.2 GB ultra LVD
SCSI disk drive
If you need additional information for failing part numbers, location codes, or removal and replacement
procedures, see Part locations and location codes. Select your machine type and model number to find
additional location codes, part numbers, or replacement procedures for your system.
Failing function code 644
The 36.2 GB Ultra LVD SCSI disk drive might be failing.
Use the following table to determine the part number for the field replaceable unit (FRU).
CCIN or FFC Type and model Part number Description Location code
644 Any 09L3339 36.2 GB ultra LVD
SCSI disk drive
If you need additional information for failing part numbers, location codes, or removal and replacement
procedures, see Part locations and location codes. Select your machine type and model number to find
additional location codes, part numbers, or replacement procedures for your system.
Failing function code 646
The high-speed token-ring PCI adapter might be failing.
Use the following table to determine the part number for the field replaceable unit (FRU).
CCIN or FFC Type and model Part number Description Location code
646 Any 03N3554 High-speed
token-ring PCI
adapter
90