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- AT HARD DISK DIAGNOSTIC
-
-
- ATDIAG.COM IS A HARD DISK FORMAT PROGRAM FOR THE IBM-PC 'AT' ONLY! It was
- uploaded to this system and has been tested on my AT in every manner that I
- could think of. It was written as an alternative to IBM's Advanced Diagnostic
- program costing $275. As with any program having the ability to write to a
- storage device, you should have a good idea what you desire to accomplish
- before attempting to use it. IT HAS THE ABILITY TO DESTROY ALL DATA ON THE
- DISK!
-
- The program is menu driven with the ability to capture error data to a printer.
- The function keys are used to select options to be performed, F1 - F7 are
- 'safe' keys. They will run drive checkout tests on the test cylinder, prepare
- the hard disk for relocation and scan all tracks for data errors. F8 will do a
- surface analysis on the disk, destroying all data on the drive (after a warning
- prompt which gives you an 'out'). F9 will format the disk giving you the
- option to either retain the currently flagged defects or to try to reclaim
- them. If you reclaim them, I suggest you run the surface analysis after the
- format to reflag the truly defective tracks. In my testing a previously
- flagged track was not always reflagged leading me to the believe that some
- marginal track conditions may not be caught (either by ATDIAG or by the IBM
- Adv. Diags.) hence the last function key exists. F10 will allow flagging of a
- specific sector from user supplied data.
-
- My personal experience with ATDIAG.COM has been favorable. My AT has 3 tracks
- flagged by the manufacturer (IBM supplied CMI drive), they are (cyl-hd) 049-3,
- 050-0 and 150-3. Both ATDIAG and IBM Adv. Diags. flag cyl 049 and 150,
- neither flags 050 leading me to believe that this track is very marginal. I
- reflagged it with ATDIAG. You will still need to run FDISK from DOS to create
- the DOS partition and then DOS FORMAT to build the file allocation table,
- directory and transfer the system to the hard disk. In the final analysis;
- 1) The program will do what it claims, and 2) It doesn't cost $275.00.
-
- It also has a distinct advantage over the IBM Advanced Diagnostics, in that it
- formats from the lower numbered tracks to the higher ones. This means that
- drives having fewer cylinders than those for which IBM has made provision can
- be formatted easily.
-
- Documentation by:
- Gene Lowry - Sysop
- Bigfoot's BBS (408) 225-1845
- San Jose, CA.
- 8 February 1985
-
- Minor changes by:
- DeForrest Home
- 12 MAY 1985