• Subject: Re: Creating 3480 tapes on a 3490E tape drive?
  • From: Ilena Ayala <ilena@xxxxxxxxxxxxxx>
  • Date: Wed, 06 Jan 1999 18:50:46 -0500
  • In-Reply-To: <199901061228_MC2-65B3-D0EC@compuserve.com>

At 12:28 PM 1/6/99 -0500, our fearless moderator wrote:
>A while ago, I think someone mentioned that you could create a 3480 tape
>on a 3490E tape drive if you applied a certian PTF.

This is absolutely true-on the F models.  It will *not* work on the other
models (D, E, etc.)
Support is built in to V4R3, I have the list of ptfs at work for previous
releases and will look them up tommorow if no one else has posted them by
then.

I had to load new microcode onto the drive before I got started-I'll check
what the version was.  

Once you've done that the drive itself needs to have some changes on the
front panel made to allow to reconfigure it as an F model (if it was
originally configured as an E model, which is likely if it was attached
before V4R3 or the related ptfs were loaded).  The option to allow 18 track
to be written also needs to be set, I think the default is to lock it out.

** IMPORTANT ** 
Allow yourself some time to do this and test it-if you miss a step the
drive is unusable until it's configured properly. 

(You *can* set it back as a 3490e to make it useable if you get stuck).
Once done test it by initializing tapes in both densities and display the
tape to make sure it worked.  (If it's only mildly unhappy it will
initialize a 3480 tape in 3490e format when you've requested *FMT3480 but
not be too loud about it.)

It was annoying to set up, but once done, you can cut either density tape
simply by initializing the 3480 cartridge as either *FMT3480 or *FMT3490E.
 I don't think it lets you cut a 3490e (two tone) cartridge as a 3480 though.


-Ilena Ayala







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