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Marc, I've got a Colorado backup system that attaches to the parallel port. And I have to say that I've been very disappointed with it. It takes ages for most operations, and as mentioned in another posting, the 800Mb claim is bogus: I can more or less 'just' get my 540Mbyte disk onto a single tape: The compression is about 1.4 or 1.5. That's set for maximum compression, not maximum speed. By far the most annoying thing is the time taken to format a tape - this is about 3 hours, which is longer than the backup itself - which in turn takes about 2.5 hours. That's just too long for a backup. And the software just wouldn't work under Windows 3.1 - I had to use the DOS version instead, and do a lot of work with the config.sys and autoexec.bat. In Windows 95 at least it's much easier. Oh yes, my machine is a 701. Summary: This is not a viable backup option - it may be cheap but you'll need to invest a lot of your own time. Spend more money and don't do anything like this via the parallel port but via SCSI. If you really want to do something via the parallel port, IOMega may be better, because their software seems to include an option to speed up parallel port data transfer - presumably by compressing the data going into the parallel port and then decompressing it again when it arrives at the Ditto drive. cheers, Andrew. ---------- From: Marc Weidenbaum[SMTP:mrcwdnbm@calweb.com] Sent: Montag, 14. Oktober 1996 23:54 To: thinkpad@cs.utk.edu Subject: backup Iomega vs. ? What do you all use for harddrive backup, in particular 701 users? I was looking at this Iomega Ditto 800. Any feedback (experience with the Iomega, alternates) would be appreciated. Thanks. -- Marc Weidenbaum mrcwdnbm@calweb.com http://www.calweb.com/~mrcwdnbm