>Kees said... >The 3390-27 and 3390-54 models still serve a functional purpose: -27 has 32767 cylinders >= halfword minus topbit, the -54 has 65535 cylinders = halfword. >When the halfword boundary will be / has been lifted, there is no reason to define a >new boundary a three times the -27. If any it will be skyhigh, like a 32bits or 64bits >value.
I thought the -27 had 32760 cyls and the -54 had 65520 cyls. Why they chose these values I do not know. Regards, John Kalinich Computer Sciences Corp ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

