ELITE SERIES USER MANUAL

CP/M ENHANCEMENTS

do. The 56K version of CP/M can he modified to support the Elite Series products without stealing space from the user’s memory area, because Rana used a little “hidden~ section of memory in the 16K RuM/Language Card (which -is required for 56K CP/M) which Microsoft left available. This small restriction should not prove to be too much of a hardship since serious Apple if CP/M users soon find that 44K is just not enough in which to run some of the more advanced CP/M programs.

The Apple CP/M operating system addresses disk drives by a letter followed by a colon, A: B: etc. up to P:. Apple ][ CP/M selects drives from the highest slot number first, starting with slot six, There must he a controller card in slot six, and any additional controller cards must he in slot five, etc. Although CP/M as an operating system recognizes drives A: through P:, Microsoft’s Apple if version of CP/M has a necessary limitation of only supporting up to six drives (A: through F:). The enhanced version of Apple if CP/M will support up to eight drives (A: through H:). This allows all drives on two four-drive Elite Controllers to he used. (Of course, four two-drive Disk if controllers could also be used; or any combination totaling no more than eight drives.)

On both enhanced and non-enhanced CP/M, drives

A:and B: would he drives one and two on which- ever type disk controller is in slot six. Drives C: through H: will change on the enhanced CP/M if an Elite Controller card is in the system.

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