Dantz has verified that there is a bug in the firmware of the Yamaha 6416
CD-RW drive. While we have notified Yamaha of this bug, until we are
apprised of a solution to this problem, we can no longer officially support
backup to the Yamaha 6416 CD-RW drive with Retrospect or Retrospect Express.

The bug will cause the drive to intermittently return error 100 (illegal
command) when used with Retrospect on slower Macintosh and PC models. We
have some suggestions to try to work around this problem: use a faster
backup computer if there is one available, or try to increase the data rate
by disabling software compression and minimizing external activity during
backup. In Windows, you can also try disabling auto-insert notification.

Though Retrospect will recognize and load a driver for this device, you may
see the error when backing up to this drive on your computer. The only
computers I have not seen this error occur on are Power Mac G3s and G4s or
very fast Pentiums, though even these fast machines are not guaranteed to
work correctly with the drive.

Please call us directly if you have any further questions.


Matthew Tevenan
Technical Support Specialist
Dantz Development Corporation

> From: "Greg Jewett" <[EMAIL PROTECTED]>
> Reply-To: "retro-talk" <[EMAIL PROTECTED]>
> Date: Mon, 24 Jan 2000 06:42:06 -0800
> To: "retro-talk" <[EMAIL PROTECTED]>
> Subject: QUERY: CD-RW Yamaha S6416 mechanism problems??
> Can anyone let me know why Yamaha S6416 mechanism would not be recommended?
> I just purchased recently a Yamaha S6416 drive for my Macintosh.  To
> date, I have no problems with the drive, with the exception of a
> ISO9660 burn that failed to verify, but burned just fine.
> What problems has the list heard about that drive, or experienced?  I
> would be very interested!  :/
> ...Greg
>>> Be very careful.  I have an APS drive that doesn't work well with
>> Retrospect
>>> at all.  Avoid Yamaha S6416 mechanisms, which APS has used in the past.  Be
>>> sure to check the list of qualified drive mechanisms on the Dantz web site.
>>> Phil Geller
>>> WorkingMacs
> --------------------- * Think Different * -----------------------------
> Greg Jewett, Server/Project Engineer   Phone: (512) 996-4257
> Motorola IT Department                 Pager: (800) 478-4034
> Parmer Lane - IT Department            ePage: [EMAIL PROTECTED]
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