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

  • Recent Articles

  • daver2

    There is no available content written by daver2
  • Recent Article Comments Widget

  • Recent Blog Posts

  • Recent Forum Posts

    normanator

    I have an 8088 Corona PPC-20(?) model with a...

    I have an 8088 Corona PPC-20(?) model with a Western Digital controller and ST-251 replacement for one of the floppy drives. It boots from the HDD and from a normal MS-DOS boot floppy without...

    normanator Today, 01:18 PM Go to last post
    username1

    Happy news! I got the power supply to work after...

    Happy news! I got the power supply to work after swapping in some new components: all voltages are correct and the computer lights up. However, I do not get the "insert diskette" messages that I...

    username1 Today, 12:46 PM Go to last post
    VERAULT

    Need Schematics on Apple Color composite monitors

    So I purchased some DOA Apple Color monitors that I wanted to try and repair since I only have monochrome composite monitors. The two models are A2M6020 and A2M2056, both manufactured on 1986. Does...

    VERAULT Today, 12:34 PM Go to last post
    firedome

    Rod Smallwood's PDP-8 panel reproductions?

    Are these still available? Have a PDP-8e coming but like most the panel no doubt suffers somewhat from ageing. I'd be interested to know folk's experience with the repro panels, particularly as to...

    firedome Today, 12:33 PM Go to last post
    daver2

    That sounds better... I suspect your...

    That sounds better...

    I suspect your multimeter is reading high...

    You should be able to now look at the video signal at the 'bar' end of diode D201. Set the oscilloscope for 1Volt/division....

    daver2 Today, 12:12 PM Go to last post