Re: Archiving otrona attache disks

2021-09-02 Thread Bill Degnan via cctech
I have an Otrona Attache disk, I've imaged using Dunfield's Image Disk program: https://www.vintagecomputer.net/disk_images/ATTACHE/015.IMD If there is interest, please download and create a disk and try to use the disk on your Attache or MAME emulating an Otrona Attache. Let me know if you run

Re: Archiving otrona attache disks

2021-08-24 Thread Fred Cisin via cctech
The 96tpi ones are 800K, and should be treated like any other "Quad Density" CP/M disk. On Tue, 24 Aug 2021, geneb via cctech wrote: Just for my own curiosity, can a "typical" high-density 5.25" drive correctly image a 96tpi disk? USUALLY. Either the drive needs to be able to switch to 300

Re: Archiving otrona attache disks

2021-08-24 Thread geneb via cctech
On Tue, 24 Aug 2021, Fred Cisin via cctech wrote: The 96tpi ones are 800K, and should be treated like any other "Quad Density" CP/M disk. Just for my own curiosity, can a "typical" high-density 5.25" drive correctly image a 96tpi disk? Thanks Fred! g. -- Proud owner of F-15C 80-0007

Re: Archiving otrona attache disks

2021-08-24 Thread Fred Cisin via cctech
On Tue, 24 Aug 2021, Bill Degnan wrote: Fred, Just for the purpose of imaging the disks, is there any reason I cant treat these disks like any other 5 1/4" cpm 360k disk? Bill Treat them just like any other 5.25" MFM CP/M disk. IIRC, the 48TPI ones are 400K, with 512 bytes per sector, 10

Re: Archiving otrona attache disks

2021-08-24 Thread Bill Degnan via cctech
Fred, Just for the purpose of imaging the disks, is there any reason I cant treat these disks like any other 5 1/4" cpm 360k disk? Bill On Fri, Aug 20, 2021, 9:09 PM Fred Cisin via cctech wrote: > On Fri, 20 Aug 2021, Bill Degnan via cctech wrote: > > Is there a simh for the otrona attache? I

Re: Archiving otrona attache disks

2021-08-20 Thread Fred Cisin via cctech
On Fri, 20 Aug 2021, Bill Degnan via cctech wrote: Is there a simh for the otrona attache? I have some.disk images created with Dunfield's utility..if not I will try to read them by using the Zorba portable, which is pretty good with varied formats. Bill Otrona is fairly straightforward for

Archiving otrona attache disks

2021-08-20 Thread Bill Degnan via cctech
Is there a simh for the otrona attache? I have some.disk images created with Dunfield's utility..if not I will try to read them by using the Zorba portable, which is pretty good with varied formats. Bill