Image Map Image Map
  • Category Widget (bottom-up)

  • VERAULT

    There is no available content written by VERAULT
  • Recent Article Comments Widget

  • Recent Forum Posts

    iz8dwf

    +1 As Dwight wrote, it might be the switching...

    +1
    As Dwight wrote, it might be the switching frequency dropping into audible range. I've heard it on other supplies. This one, by the look of it, seems an old design with inductive feedback from...

    iz8dwf Today, 05:49 AM Go to last post
    cihs

    Hi Ruud, I did not attempt to test the 6525 in...

    Hi Ruud,

    I did not attempt to test the 6525 in my b128 due to it being socketed in the b128. With that machine being in very nice working condition, I'm going to try to avoid taking a soldering...

    cihs Today, 05:16 AM Go to last post
    tipc

    add the Rockwell 6765 to the list of alternate...

    add the Rockwell 6765 to the list of alternate part #'s. Actually I replaced the R* with the 8272a from a tandy 2k. I don't think I tested it the other way around. I imagine it would work thought.

    tipc Today, 04:35 AM Go to last post
    falter

    Darn.. that wasn't the issue. Oh well. Was...

    Darn.. that wasn't the issue. Oh well. Was hoping for a quick win there. At least I know the main FDC chips are good. I *think* the drives are okay, although I haven't found a way to test them...

    falter Today, 04:35 AM Go to last post
    cihs

    Hi Ruud, I have probably 75% of all chips on...

    Hi Ruud,

    I have probably 75% of all chips on the board de-soldered and socketed already. That happened when I was searching for the short. It's fairly easy for me to test chips now, but that...

    cihs Today, 03:40 AM Go to last post