My preceding post could have been worded more felicitously: one 3390 geometry had/has a notional track size of 56664 bytes and 16 tracks per cylinder. A half-track block for it is thus 28332 bytes in size, and this is certainly less than 32760.
John Gilmore, Ashland, MA 01721 - USA ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
