ECA 054 - 160MB SCSI disk

ECA 054 - 160MB SCSI disk - potential data loss

Potential data loss using 160MB Fixed Disk

PURPOSE:
To assist customers requesting help to load the self booting "IBM PS/2 160MB SCSI Fixed Disk mode-select restoration diskette" to 160MB SCSI fixed disks.

Machines AFFECTED
8580 161 23-TV259 23-TY577
8590 OJ9 23-CGVCZ 23-CHPRD
8595 OJ9 23-AA145 23-AB006

PHYSICAL check:
This ECA applies to IBM manufactured 160 MB fixed Disk Drives. some systems in the above system serial number ranges have had the affected drives installed in them during the manufacture of the system.

This ECA can be used to install the restoration fix on systems within the feature serial number ranges.

For the following reasons, some systems outside of the serial number ranges will also be eligible for this ECA:.

Any system that has had a 160MB replacement FRU installed.
(some FRU stock was affected.)
Any Canadian system that has had a 160MB option or
160MB replacement FRU installed.
(some Canadian option and FRU stock was affected.)

NOTE:
If the system is opened, the 160 MB drives with the wrong values can be identified by drive serial number ranges. The range is from B1WC3-05227 through B1WC3-043980. This number is located on top of the drive in a white label that also contains a BAR code strip.

DETAIL:
Customers should install the "IBM PS/2 160MB SCSI Fixed Disk mode - select restoration diskette" using the installation instructions contained in the diskette / FRU package.

The Fixed Disk restoration installation is designed to correct values given to mode select pages of disk code installed during the manufacture of the affected Disk Drives. The installation is permanent and can not be erased during a format. The incorrect values could cause data loss when soft Fixed Disk errors occur. where needed, the mode select page values will be restored to the default range after this diskette is booted. Other Disk Drives outside the affected drive range will not be altered if this diskette is used on them.

To install the correct values insert the diskette in drive "A" and boot the system. The following messages can occur during the execution of the program:

"WARNING! share should be loaded for large media." this message is produced by the diskette's operating system and is not applicable for this situation. Disregard this message!
"RESTORATION COMPLETE remove the diskette, then restart the system."
"RESTORATION NOT REQUIRED FOR THIS SYSTEM, remove the diskette, then restart the system."
"UNEXPECTED ERROR, run system checkout."

NOTE:
The fix program will not load to drives that do not require the restoration.

The incorrect values given to the Disk Drive is a code problem, not a hardware failure. Therefore, hardware failures will be resolved by using the customer's current service agreement to replace defective FRUs.

This ECA is not to be used for any hardware replacement.

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