re built in video problems on mac iisi in apr fys ruu nl walsteyn fys ruu nl fred walsteijn writes i ve seen the following problem om three mac iisi machines all with mb ram installed or ns simms if the contents of a window are being calculated and updated a lot of strange horizontal lines are temporarily generated on the screen the lines translate to the top of the screen and have a slightly lower brightness than their surroundings they are a few millimeters apart i admit that they are vague but they can still be distinguished clearly especially if the environment i e the rest of the room is a bit dark applications which produce this effect are the previewer of directtex i e dvireader kaleidagraph fpu another program which produces this effect is spyglass transform while contouring a big array thanks for any information about this problem fred walsteijn internet walsteyn fys ruu nl institute for marine and atmospheric research fax utrecht university the netherlands phone
