Re: Help cure JIM's sick Apple II MLB.

["BLuRry" <brendan.robert@gmail.com>]

> >> · The monitor lights up, but with a set of maybe 5 pixel wide bars a
> >> pixel or so two apart vertically up the screen. In the lower left there
> >> is a blinking "cursor", which is actually a block of pixels the size
> >> of a character in the second bar, that blinks like a cursor.

It may be a bit premature, but it sounds like you should investigate
the video eeprom or anything connected to it on the board (damaged
socket?  Dead bug crawled under it on the under-side of the board?)
This chip stores the character bitmaps.  If graphics modes seem to work
then I would definately be willing to bet that's the case.

If you want a quick test of lo-res, you can try typing this at what
should be the basic prompt:

GR:VTAB 1

and then press return a bunch. You should see a solid yellow box where
the cursor should be and gray lines drawn across the screen each time
you press return.

-B