4 floppy disk drives on a PC?

From: Eric Smith <eric_at_brouhaha.com>
Date: Mon Jan 17 23:53:17 2005

Doc wrote:
> I have formatted disks for an RX50 on the 1.2MB drive, written data
> to them on that drive, and used them on a PDP-11. I have also used
> floppies to back up an RSX-11S disk on "real" RX50 disks, transcribed
> that to PC, overwritten them on the PC without a low-level format, and
> read them on the PDP-11. I have had some floppies fail, but they always
> failed either on the RX50 drive *before* they were ever in the 1.2MB
> drive, or they failed format on the 1.2MB drive before they ever made it
> to the PDP-11.

RX50 and PC 1.2M formats are both 96 TPI, so this says exactly
*nothing* about whether you can use 1.2M drives to write 360K disks
reliably (which you can't).

> I *can* say that in writing, overwriting, transcribing, and reading
> RX50[0] floppies between a real PDP-11 and a Linux PC with a 1.2MB 5.25"
> drive, track width has never been an issue.

Because they're identical. Nothing to do with PC 360K format.
Received on Mon Jan 17 2005 - 23:53:17 GMT