[HECnet] DECmate II and OS/278...
Lee Gleason
lee.gleason at comcast.net
Sat Jul 8 12:03:51 PDT 2017
I don't have the capability to read teledisk images, and a brief google
search showed the programs I saw available to do so all seem to run on Linux
and DOS...two OSes I don't have available...
-----Original Message-----
From: Tim Sneddon
Sent: Saturday, July 08, 2017 10:51 AM
To: hecnet at Update.UU.SE ; Lee Gleason
Subject: Re: [HECnet] DECmate II and OS/278...
On 8/07/2017 11:31 PM, Johnny Billquist wrote:
> Ah! Teledisk images.
> Basically, that's a proprietary format which is intended to be able to
> restore the disk including the low level format. It's a bit difficult to
> deal with if you are not using Teledisk. I know I have a tool somewhere
> that can extract the actual data from such an image, which is what would
> be more useful when you are writing it on an actual RX50 drive. I believe
> I found it somewhere on the internet many moons ago, but hopefully others
> have it too.
Yeah, I saw some details about the format described. I was only browsing
so I didn't notice a tool, but there were details of the file structure.
>
> In addition, RX50 drives in general only accept preformatted media, and
> RX50 low level format is unlike any other disk format, so you either need
> real RX50 floppies, or else some machine that is able to format RX50
> floppies. Of DEC equipment, only the Rainbow were actually able to format
> RX50. Generic PCs can sometimes do it, if you have the right type of
> controller and drive, and appropriate floppies. But success with that have
> been a bit random when I've read about it. But I suspect it's your best
> chance, since getting genuine RX50 floppies nowadays is even harder.
>
I have genuine RX50 floppies that have been used in DECmate II and
PRO350 systems. I believe they should be adequately formatted.
Regards, Tim.
More information about the Hecnet-list
mailing list