----- Original Message -----
From: "Antonio Carlini" <a.carlini_at_ntlworld.com>
To: "'General Discussion: On-Topic and Off-Topic Posts'"
<cctalk_at_classiccmp.org>
Sent: Thursday, September 30, 2004 3:54 PM
Subject: RE: Need to know DDS drive used to write backup tapes
>
> > If the cartridges (note correct USian spelling) have a tape length
>
> Is there a non Usian spelling?
>
> > printed on them that will tell you whether they're 1GB, 2GB,
> > etc. Most
> > DDS drives will read, if not write, older formats. IOW a DDS3 drive
> > should rad a DDS1 tape.
>
> Indeed. The thing not to do is put a DDS3 (or DDS2) DAT tape in
> a DDS1 drive. At least not if the drive is a TLZ04 since you
> will "significantly" degrade the head's lifetime. I never
> found out how significant "significant" is. The problem is
> that tapes longer than 60m were designed to be used on drives
> that wrapped them around the heads at a different angle, so
> the tapes are different. The difference is enough to wear
> the TLZ04 head much more than is acceptable. I do not know
> whether dropping a 120m tape (DDS3) into a TLZ06 (DDS2 drive)
> will have similar effects.
>
> So be careful out there!
>
> Antonio
>
> --
>
> ---------------
>
> Antonio Carlini arcarlini_at_iee.org
DDS3 is 125M, 120M is DDS2 correct?
DDS1 tapes are 90M
Received on Thu Sep 30 2004 - 16:40:48 BST