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  • cbscpe's Avatar
    March 6th, 2019, 09:27 AM
    cbscpe replied to a thread RQDX3 Low Level Format in DEC
    Yes exactly that's my intention. I suppose that serving the signals that correspond to the harddrive interface signals on the card edge connectors...
    8 replies | 467 view(s)
  • cbscpe's Avatar
    March 5th, 2019, 12:52 AM
    cbscpe replied to a thread RQDX3 Low Level Format in DEC
    Is it correct, that I can use the RD53 image from the page with tested configurations of the MFM emulator and start mfm_emu without even the PCB...
    8 replies | 467 view(s)
  • cbscpe's Avatar
    February 27th, 2019, 11:03 AM
    cbscpe replied to a thread RQDX3 Low Level Format in DEC
    I started to play around with floppy drives, or let's say I revived a very old (>10years) project. The initial goal was to read and write HD floppies...
    8 replies | 467 view(s)
  • cbscpe's Avatar
    February 25th, 2019, 10:15 PM
    cbscpe replied to a thread RQDX3 Low Level Format in DEC
    Hi Lou, Thanks. Found all the information about gaps and interleave. As it seems the encoding of the address field and the ECC are either handled...
    8 replies | 467 view(s)
  • cbscpe's Avatar
    February 25th, 2019, 12:04 PM
    cbscpe started a thread RQDX3 Low Level Format in DEC
    Hi, is there any document that describes the low level format the RQDX3 uses? It is not a standard. Also it uses a 32-bit ECC protection code for...
    8 replies | 467 view(s)
  • cbscpe's Avatar
    February 23rd, 2019, 06:47 AM
    cbscpe replied to a thread Q-Bus version of RLV12 Hack in DEC
    For those interested, here is a list of things you would need: An AVR MCU Programmer, like the AVRIPS MKII or the Atmel-ICE An Atmel CPLD...
    6 replies | 783 view(s)
  • cbscpe's Avatar
    February 21st, 2019, 10:24 AM
    cbscpe replied to a thread Q-Bus version of RLV12 Hack in DEC
    Not really news, I soldered the CPLD on the first board and then I did not find any further time to continue with the project. It's not dead however....
    6 replies | 783 view(s)
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About cbscpe

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Age
60
About cbscpe
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Switzerland
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Seniour Network Engineer

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