[Info-vax] RZ1DB etc

[Dirk Munk]

Phillip Helbig---undress to reply wrote:
> The RZ23 was about 120 MB, the RZ26 about 1 GB (I don't remember seeing
> RZ 24 or RZ25, presumably 250 and 500 MB?), the RZ28 2 GB (why the jump
> and no RZ27?) and the RZ29 4 GB.  The RZ1C% is also 4 GB and the RZ1D%,
> e.g. the RZ1DB, is 9 GB.  (Presumably the A as the fourth character is 1
> GB and B is 2 GB, though I have never seen RZ1A% or RZ1B% disks.)  The
> RZ1E% is 18 GB.
>
> These are all labels I've seen on SBB disks, the thick ones.
>
> What does the fifth character stand for, e.g. the B in RZ1DB?

Different manufacturers.

>
> I have an RZ1FB at 36 GB.  Were there larger-capacity disks in this size
> (thick SBB for a BA356)?
>
> Are all the RZ1* disks ultra wide (e.g. 40 MB/s)?
>