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(You may find that a tiny bit of alcohol placed on a cotton swab will totally To fail, and you may ruin them by trying to read them. One CAUTION here is that if your floppy disks are 25+ years old as mine were, the Oxide coating on most of the floppies is ready Unapproved method of lubricating my old 5 1/4" floppies so I can read them without scrubbing off the Oxide media. Your OLD 8" Floppys are likely to not have enough Lubrication in the Floppy Sleeve to allow the Media to turn freely,Īnd by trying to read them one more time, you are likely to scrub off the Oxide Media. Can I use the HxC SD for multiple computers (BBC Micro, Amiga, CP/M computers), and have a separate directory on the SD card for each type of computer? (I suppose I'd need a different ribbon cable for each system)īefore you start trying to copy the CP/M System Disk, Please make sure you have a SPARE 8" Floppy to work from. So, if I buy the HxC SD card version: Once I've created a boot disk image on the SD card, do I just backup the HFE file from the SD card to my PC? And then I can give the HFE image to other HxC users who have a HH Tiger or Plessey PC80 computer?ģ. How do I know if my 8" or 5.25" drive is a Shugart (or Shugart compatible) drive? As far as I know, the 8" drives on the Plessey PC80 use a 50 pin ribbon cable, and the 5.25" drives on the HH Tiger use 34 way ribbon cables.Ģ. Because I have some other old computers like the BBC Micro and Amiga I think I'll go with the HxC, and I'd be happy if I could just use the HxC to backup my HH Tiger and Plessey PC80 CP/M disks in the HFE format.Ĭould you help me out with a few more questions?:ġ. Mw.dsk emulator os 9 68k mac Pc#I don't think the floppy dump option would be for me because connecting an old 8" or 5.25" disk drive to my modern PC motherboard is beyond my ability! I have an old DOS PC from the early 90's that has a 5.25" drive, but I don't know if it still works.Īs for the KryoFlux, I spent an hour looking in to it but I don't know enough to decide if the KryoFlux is more suitable for me. Thanks Pulkomandy and Jeff for your help. Mw.dsk emulator os 9 68k mac manual#In CP/M times the format was specific to each combination of these, so they were given out in the manual to help you exchange data with other people. Mw.dsk emulator os 9 68k mac software#To find this data you need to check your drive, floppy controller and filesystem software user manuals. The skew table is usually not needed, it just makes things faster. * Number of sectors in each track, and how much are FM/MFM You need the following information to create your own floppy images : The USB version is useful if you want to move files a lot back and forth with a modern computer (when doing cross-development for example) The USB version stores the data directly to a modern computer, the SD version is more standalone. The disk images are in the hfe format, this can be shared, or converted to more usual file formats when such formats exists. * There may be some problems with mixing FM and MFM sectors, but I think this is being worked on. This means you have to keep a "blank", formatted floppy image and copy it when you need to create a new floppy. * No formatting support on the SD version. ![]() The HxC behaves mostly like a floppy, so booting from it is possible. If your floppy drives are Shugart compatible (or close enough to it), there should not be too much problems. If somebody can help me, I will be very happy to share everything I learn with the community. I'm good with electronics, but I don't know anything (yet) about floppy disk drives. I will probably need help with this project though. ![]() If the HxC will do the job I will buy one straight away. Do I need to provide this information, and where do I find it? Some others posts have mentioned the number of tracks, sectors, data rates, skew tables, etc. Do I need the USB version or the SD card version of the HxC to do this, or will either be OK?Ĥ. Can I use the HxC to create a 'disk image' that I can share with other users of these computers?ģ. Can I copy the CP/M boot (system) disk to the HxC and boot my computers from it?Ģ. Please can somebody help me with the following questions:ġ. ![]() The disk drives and floppies are getting old so I want to preserve these disks for the future and share disk images with others users of these machines. I am interested in buying a HxC floppy emulator to use on some rare old CP/M computers, including a HH Tiger (twin 5.25" floppy drives, double sided, double density) and a Plessey Telecoms PC80 (twin 8" drives, double sided, double density). ![]()
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