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    intabits

    PDP11/05 - Quick look and Teardown

    A quick look inside a DEC PDP11/05, made in Ireland back in about 1973.
    The power supply has some bad electrolytic capacitors, so power on and tryout will have to wait until they have been replaced....

    intabits Today, 06:43 PM Go to last post
    andromeda92

    I had thought of a usb fuse but when I plug in an...

    I had thought of a usb fuse but when I plug in an optical mouse it lights up,
    the light is red, there is indeed + 5v, so it cannot be a fuse at the usb level.

    andromeda92 Today, 06:30 PM Go to last post
    SomeGuy

    That probably does not need much special...

    That probably does not need much special software, and should run vanilla MS-DOS just fine.

    However, there is a "Microsoft MS-DOS 3.21 [KayPro OEM] (5.25-360k)" on Winworldpc that looks like it...

    SomeGuy Today, 06:16 PM Go to last post
    Eudimorphodon

    No progress on the NorthStar itself to report,...

    No progress on the NorthStar itself to report, but in regards to my ambitions to build a "VDM-1"-style video card, I successfully smoke-tested my idea to use a really stripped down derivative of some...

    Eudimorphodon Today, 06:06 PM Go to last post
    tipc

    Don't rule out a bad solder joint. They can't...

    Don't rule out a bad solder joint. They can't always be seen as such by visual inspection. But I fixed my 2nd ailing power supply years ago by randomly hitting solder joints on the underside of the...

    tipc Today, 05:40 PM Go to last post