YUCK!!!!!!!!!!!! That is kinda nasty! :O

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That was pretty much my reaction when I hooked the thing up for the first time.

The two Radius Logos displayed at startup make me think the vertical sync timing may be way off and you're getting the equivalent of an intermittent, sorta stable digital version of screen roll on an analog TV. A bad vertical sync rate crystal can, or ALL the crystal cans ought to be fairly easily replaced as a first step. See what the electron pushers around here think of that WAG.
Such might also explain some of the other artifacts as well . . .

. . . or not. :-/

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Do you feel that a bad crystal would also be responsible for the monochrome display?

Also, one time I did actually get to see my mouse pointer move, although the screen looked like the second picture I posted above, and the pointer was only contained to about 1/64th of the screen with lots of distortion.

I don't know that much about hardware so I don't know which component is the rate crystal. My question to you on this is in your opinion how much would a new rate crystal cost?

Edit: Just as an FYI but my 1360 does have the DSP card, I just removed it so that I could take the pictures. Also, when I removed the card this last time I noticed a faint rattle coming from somewhere on the card. I can't pinpoint where and I confirmed that the various screws and supports are not loose.