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To: NHP who wrote (5175)	1/3/1998 1:59:00 AM
From: Joseph Chiu	Respond to of 7685

>> I decided to lock out the bad allocation unit rather than return the disk (I believe IDE disks are not supposed to have any bad spots on them). >> Reformating did not solve the problem. Strictly speaking, IDE drives can end up having bad spots on them. It's just that IDE drives (by default) hot sector fix to transparently hide bad spots on the media so DOS doesn't see that it's a bad sector. DOS does handle bad sectors on IDE drives when reported, and allows marking said sector as unusable.

To: NHP who wrote (5175)	1/3/1998 10:19:00 AM
From: AreWeThereYet	Respond to of 7685

NHP >> The DTR tests that I reported previously were run from the Windows95 DOS prompt with 3 different versions of XCOPY. Someone from Manitoba contacted me concerning the tests and gave me some insight on increasing the DTR. I believe Windows98 will help increase the DTR and I'll probably upgrade from a 486 to a pentium sometime in the near future << Hi Nelson, Happy New Year That "someone from Manitoba" is probably me :o) Modern EIDE should not have bad sector but on portable HDD...possible. This is why I never recommend storing important data on SparQ, Jaz, Orb, EZ-Flyer. Zip maybe a bit better candidate in this area but still you can lost your data by having your zip disk near a speaker (strong magnetic field). MO or optical media are best for backup. Win98 will improve "effective" DTR because the new intelligent caching policy. Upgrade from 486 to Pentium will have little different but if that enable the concurrency I/O between the 2 channels then you will see noticable improve during data transfer between your HDD and SparQ (assume they installed in different channel). The internal DTR remain the same in any cases. aC