PROBLEM:  (QAR 66434, QAR 66353, QAR 66354)    (Patch ID: OSF425-663)
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This patch fixes to separate problems:

1) ATAPI IOMEGA ZIP can't do transfers of 64K mulitples in size, it
   produces a SCSI parity error.

2) Occasional I/O hangs occur in the ATA driver.