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From: russotto@eng.umd.edu (Matthew T. Russotto)
Newsgroups: comp.sys.mac.programmer
Subject: Re: SCSI Help
Message-ID: <1990Aug29.191005.1246@eng.umd.edu>
Date: 29 Aug 90 19:10:05 GMT
References: <917@beguine.UUCP> <9927@goofy.Apple.COM>
Sender: news@eng.umd.edu (The News System)
Organization: College of Engineering, Maryversity of Uniland, College Park
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In article <9927@goofy.Apple.COM> stevec@Apple.COM (Steve Christensen) writes:
>
>If all you want to do is write all zeroes to all blocks on the disk, then
>just make write requests to the driver.  You can do it in a simple loop
>something like this:
>
>	allocate a 512 byte block and fill it with zeroes
>	for blockNum = 1 to NumberOfBlocks do
>	  write the 512 byte block to drive block blockNum
>
>OK, so you wanted real code, but you get the idea.

Why not:
DIFormat(drvnum);
?????
On every hard drive I've seen this will erase the disk to all zeros.
--
Matthew T. Russotto	russotto@eng.umd.edu	russotto@wam.umd.edu
      .sig under construction, like the rest of this campus.