] "Memo of the Month," From The Washington Monthly, January/February ] 1991, page 24: ] ] "This is an actual alert to IBM Field Engineers that went out to all ] IBM Branch Offices. The person who wrote it was very serious. ] The rest of us guys find it rather funny. ] ] --------------------------------------------------------------------- ] ] "Abstract: Mouse Balls Available as FRU (Field Replacement Unit) ] ] "Mouse balls are now available as FRU. Therefore, if a mouse fails to ] operate or should it perform erratically, it may need a ball replace- ] ment. Because of the delicate nature of this procedure, replacement ] of mouse balls should only be attempted by properly trained personnel. ] ] "Before proceeding, determine the type of mouse balls by examining the ] underside of the mouse. Domestic balls will be larger and harder than ] foreign balls. Ball removal procedures differ depending upon manufac- ] turer of the mouse. Foreign balls can be replaced using the pop-off ] method. Domestic balls are 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 replacer have a pair of spare balls for ] maintaining optimum customer satisfaction, and that any customer ] missing his balls should suspect local personnel of removing these ] necessary items. ] ] "To re-order, specify one of the following: ] ] "P/N 33F8462 - Domestic Mouse Balls ] "P/N 33F8461 - Foreign Mouse Balls" ] ]
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