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  • cbscpe's Avatar
    March 26th, 2020, 01:31 PM
    cbscpe replied to a thread DATBO and DATBI protocol detail in DEC
    That‘s definitively a typo it should read as 8us. I have seen that typo in other documents as well. The 8 us are the standard bus time out.
    10 replies | 388 view(s)
  • cbscpe's Avatar
    March 25th, 2020, 10:13 AM
    cbscpe replied to a thread DATBO and DATBI protocol detail in DEC
    In which way does it violate it? Which figure and which cycle are you referring to? I think as long as the order of the transitions is correct you...
    10 replies | 388 view(s)
  • cbscpe's Avatar
    March 24th, 2020, 10:38 AM
    cbscpe replied to a thread DATBO and DATBI protocol detail in DEC
    Block mode is a handshaking process of Master and Slave. There is no boundary the master must respect. The master requests DMA and if the Memory...
    10 replies | 388 view(s)
  • cbscpe's Avatar
    March 21st, 2020, 08:00 AM
    cbscpe replied to a thread T-11 experimenting in DEC
    I'd rather use one of my DCJ11 that are laying around than stealing the only T11 I have from my RQDX3. I need that one as my only Floppy Controller....
    7 replies | 384 view(s)
  • cbscpe's Avatar
    March 21st, 2020, 05:49 AM
    cbscpe replied to a thread PDP-11 π benchmark in DEC
    Finally got around to run the pi benchmark on my PDP-11/Hack. What I get is .run dd:pieis.sav number pi calculator v9 (EIS) number of digits...
    44 replies | 4362 view(s)
  • cbscpe's Avatar
    March 21st, 2020, 03:31 AM
    cbscpe replied to a thread T-11 experimenting in DEC
    I always wanted to make a SBC using the DCT11, but they are too expensive (at the moment more expensive than a DCJ11), does anybody know a source...
    7 replies | 384 view(s)
  • cbscpe's Avatar
    March 21st, 2020, 12:19 AM
    cbscpe replied to a thread DATBO and DATBI protocol detail in DEC
    The following document, although it is for the KA680 CPU Module used in a VAX4000-500, has all the required information...
    10 replies | 388 view(s)
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About cbscpe

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61
About cbscpe
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Switzerland
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Seniour Network Engineer

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For more information about my projects see https://www.5volts.ch

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