REPLACEMENT 60MB FIXED DISK FOR 8555-061

PHYSICAL CHECK:
AFFECTED DRIVES ARE KNOWN TO HAVE BEEN SHIPPED IN ALL SERIAL NUMBER RANGES, HOWEVER, NOT ALL SYSTEMS WILL HAVE THE AFFECTED FIXED DISKS. THERE ARE TWO METHODS AVAILABLE TO DETERMINE IF A DRIVE IS ELIGIBLE FOR THIS ECA:

1. RUN THE "IBM PS/2 60MB FIXED DISK SCREENING DISKETTE." THIS SELF-BOOTING DISKETTE WILL AUTOMATICALLY CHECK THE FIXED DISK IN FUNCTIONING SYSTEMS, AND TELL THE USER IF THE DISK IS AFFECTED. IN EUROPE DISKETTE THE DISKETTE ALSO INCORPORATES THE IBM 60MB FIXED DISK BUFFER TEST UPDATE. (ECA055)

2. PHYSICALLY INSPECT THE FIXED DISK. AFFECTED DRIVES WILL MEET BOTH OF THE FOLLOWING REQUIREMENTS:
   • 60MB FIXED DISK MANUFACTURED FOR IBM BY SEAGATE, MODEL ST-177I.
   • MANUFACTURERS DATE CODE X9035 THRU X9045. THIS DATE CODE CAN BE FOUND ON A SMALL WHITE LABEL ON THE SIDE OF THE DRIVE. THE DISK MUST BE REMOVED FROM THE SYSTEM TO READ THE LABEL.

IT IS RECOMMENDED THAT AFFECTED FIXED DISKS BE REPLACED BEFORE A FAILURE IS EXPERIENCED.

DETAIL:
A LIMITED NUMBER OF 60MB FIXED DISKS SHIPPED IN 8555-061 SYSTEMS MAY FAIL TO SPIN AT POWER-ON.

IN AN EFFORT TO MINIMIZE THE RISK OF LOST DATA DUE TO A FIXED DISK FAILURE, IBM HAS DEVELOPED THE "IBM PS/2 60MB FIXED DISK SCREENING DISKETTE." THIS DISKETTE SHOULD BE RUN ON OPERATIONAL 8555 SYSTEMS WITH A 60MB FIXED DISK INSTALLED. TO USE THIS DISKETTE TURN THE SYSTEM OFF, INSERT THE DISKETTE, THEN POWER-ON THE SYSTEM. IF THE INSTALLED FIXED DISK IS DETERMINED BY THE DISKETTE TO BE AFFECTED, THE CUSTOMER SHOULD PERFORM A FIXED DISK BACK-UP AND HAVE THE DRIVE REPLACED.

IF THE FIXED DISK IS NOT OPERATIVE DUE TO THIS PROBLEM, THE 8555 WILL FAIL POST AS FOLLOWS:

• THE SYSTEM WILL DISPLAY THE MEMORY COUNT.
• THE FIXED DISK LIGHT WILL BLINK APPROXIMATELY 9 TIMES.
• THE SYSTEM WILL DISPLAY A 10483 POST ERROR.
• THE FIXED DISK LIGHT WILL STAY ON FOR APPROXIMATELY ONE MINUTE, THEN BEGIN BLINKING AGAIN. THE 10483 ERROR WILL REMAIN DISPLAYED.

IF AN AFFECTED FIXED DISK FAILS TO SPIN AFTER MULTIPLE POWER-ON ATTEMPTS, AND THE CUSTOMER'S DATA IS NOT BACKED-UP, THE FOLLOWING PROCEDURE MAY RESTORE TEMPORARY OPERATION OF THE DISK:

1. REMOVE THE DRIVE FROM THE SYSTEM. PLACE IT ON A SHEET OF PAPER ON A FLAT SURFACE. THE PAPER IS USED TO AVOID SCRATCHING THE FLAT SURFACE. THE DRIVE SHOULD BE RESTING ON ITS PLASTIC SLIDE MOUNT RAILS, IN ITS NORMAL OPERATING POSITION.
2. KEEPING THE DRIVE AGAINST THE FLAT SURFACE, ROTATE IT IN A BRISK CLOCKWISE/COUNTER-CLOCKWISE MOTION. DO NOT HIT, BANG, DROP, OR OTHERWISE SHOCK THE FIXED DISK.
3. THIS ROTATING ACTION SHOULD PROVIDE SUFFICIENT TORQUE TO RELEASE ANY BOUND INTERNAL PARTS. INSTALL THE DRIVE. IF POST COMPLETES SUCCESSFULLY, THE CUSTOMER SHOULD BACK-UP THE FIXED DISK IMMEDIATELY.

REPLACE THE 60MB FIXED DISK WITH FRU P/N6128282.