New Original MANUAL WITH DOS 2.5for XF551 Disk DriveManual WITH DOS ONLY
What DOS DoesTo store information on diskettes you need software that allows your computer and disk drive to communicate with each other about your files. That is where the Disk Operating System- DOS for short- fits into the picture. DOS (pronounced doss) is a program that enables your computer and disk drive to work together in storing, retrieving, and otherwise managing your diskette files. DOS itself is organized in files contained on the Master Diskette.You must load DOS into your computer before it can work with your disk drive. Some ready-made computer programs already contain a version of DOS, sparing you the trouble of those in cartridge form, you have to load DOS along with the program if you plan to use a disk drive with the program. In any case, you need DOS for many essential tasks: to prepare blank diskettes to store your files, for example, and to make backup copies of important files and diskettes.This manual is designed to serve everyone from the beginning computer user to the advanced programmer. It includes 2 sections that introduce the XF551 Disk Drive and DOS, a detailed guide to all capabilities for DOS 2.5, a section of more technical information primarily for programmers, and several appendices. Appendix J, a brief glossary of terms used in talking about DOS, maybe particularly helpful to the beginner. As you work with this manual, consult the glossary whenever you are unsure of a term's meaning.THE XF-551 WAS ORIGINALLY SHIPPED WITH DOS 2.5 BUT IT DID NOT SUPPORT TRUE DOUBLE DENSITY OR DOUBLE SIDED DISK DRIVES. LATER ATARI DEVELOPED DOS XE WHICH SUPPORTED TRUE DOUBLE DENSITY AND DOUBLE SIDED DISK DRIVES. THE SECOND PRODUCTION RUN OF XF-551 DISK DRIVES WERE SHIPPED WITH DOS XE. WE SELL THE XF-551 OWNERS MANUAL WITH DOS XE IN ANOTHER sale. DOS XE WITH AN XF-551 STORES 4 TIMES MORE DATA ON A SINGLE DISK THAN ATARI DOS II.
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NOW CHARGES FEES ON SHIPPING AND HANDLING.
WHEN YOU BUY MULTIPLE ITEMS AND PAY BEFORE WE SEND A COMBINED INVOICE YOU MAY PAY A LOT OF EXTRA SHIPPING."
