In a message dated 3/9/2007 12:19:05 A.M. Central Standard Time, [EMAIL PROTECTED] writes: >BB in BBCCHH may have been planned for a number of related products ... besides the 2321. i have some vague recollection of discussions related to 1360/pdss which may have also motivated the inclusion of BB in 360 ckd dasd architecture; i.e. even if 2321 hadn't shipped ... the decision to include BB may have been made assuming a variety of products that might use it. I thought this might be the case. I should have suggested this possibility earlier for you to comment on. Thanks for the info, especially on the 1360, which I had never heard of. I know that IBM has developed many products that have not yet been released. Perhaps some of them use the BB bytes. Anyway, we are stuck with two unused bytes in all seek addresses now. Bill Fairchild Plainfield, IL
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