The following was forwarded to me by a friend who used to work at Big Blue and
 was given this by a Big Blue friend who found it in the IBM service manual.
 This was actually put into the manual as a serious bulletin!  Enjoy it!!!
 
 
 Record number: H031944
 Device:D/T8550
 Model: M
 Hlt count:           UHCOOOOO
 Success count:       USCOOOOO
 Publlcation code:    PC50
 Tip key:             025
 Date created:        089/02/14
 Date last altered:   A89/02/15
 Owning B.U.:         USA
 
 
 Abstract: MOUSE BALLS NOW AVAILABLE AS FRU (Field Replacable Unit)
 
 
 TEXT:
 
 MOUSE BALLS ARE NOW AVAILABLE AS A FRU. IF A MOUSE FAILS TO OPERATE,OR SHOULD
 PERFORM ERRATICALLY,IT MAY BE IN NEED OF BALL REPLACEMENT.BECAUSE OF THE
 DELICATE NATURE OF THIS PROCEDURE,REPLACEMENT OF MOUSE BALLS SHOULD BE
 ATTEMPTED BY TRAINED PERSONNEL ONLY.
 
 BEFORE ORDERING,DETERMINE TYPE OF MOUSE BALLS REQUIRED BY EXAMINING THE
 UNDERSIDE OF EACH MOUSE.DOMESTIC BALLS WILL BE LARGER AND HARDER THAN FOREIGN
 BALLS. BALL REMOVAL PROCEDURES DIFFER,DEPENDING UPON MANUFACTURER OF THE MOUSE.
 FOREIGN BALLS CAN BE REPLACED USING THE POP-OFF METHODJ AND DOMESTIC BALLS
 REPLACED USING THE TWIST-OFF METHOD. MOUSE BALLS ARE NOT USUALLY STATIC
 SENSITIVE,HOWEVER,EXCESSIVE HANDLING CAN RESULT IN SUDDEN DISCHARGE. UPON
 COMPLETION OF BALL REPLACEMENT,THE MOUSE MAY BE USED IMMEDIATELY.
 
 IT IS RECOMMENDED THAT EACH SERVICER HAVE A PAIR OF BALLS FOR MAINTAINING
 OPTIMUM CUSTOMER SATISFACTION,AND THAT ANY CUSTOMER MISSING HIS BALLS SHOULD
 SUSPECT LOCAL PERSONNEL OF REMOVING THESE NECESSARY FUNCTIONAL ITEMS.
 
 P/N33F846Z -- DOMESTIC MOUSE BALLS
 P/N33F8461 -- FOREIGN MOUSE BALLS
 
 SAS KEYWORDS:
 
 PSY2              8525SYSMISC 8530SYSMISC 8550SYSMISC
 8560SYSMISC      8570SYSMISC 8580SYSMISC
 
 USERID (RSSTEWART) NODEID (BCRVMl)
 INT.ZIP 1225, DEPT 2AW, TL 443-4597 (407-443-4597)
 ESD PRODUCT SERVICE SUPPORT,BOCA RATON,FL.

Wil Stark, wstark04 (at) pobox _dot_com

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