ECA 062 - P70 POST HANG

8573 POST HANG. no beep w/ solid Power and DSKT light

PURPOSE:
Correct solid or intermittent system HANGs occurring at POST by installing a system board and prerequisite ECA:070 that allows the installation of a re - engineered Diskette Drive cover, FRU P/N 79F3239.

PHYSICAL check:
Systems with serial numbers of 49,999 or earlier that experience solid or intermittent POST HANGs with the Power and diskette drive light on solidly during the HANG qualify for this ECA:.

Check for a metal coating on the inside surface of the Diskette Drive cover where the diskette enters.

DETAIL:
Static from a person inserting a diskette into the Diskette Drive can cause a system board gate array to fail or be damaged. To solve this problem the Diskette Drive cover has been redesigned and is available as a prerequisite ECA and FRU.

A system board that has experienced a static charge will exhibit solid or intermittent POST HANGs with no POST beep and will have a constant Power good and Diskette Drive light on during the HANG condition. If this is occurring, a new Diskette Drive cover must first be installed using ECA:070, then the system board can be replaced using this ECA:.

NOTEs: this ECA does not apply to 8573 P70 systems above

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