Home▸ Forums▸ 68kMLA▸ Unhappy Macintosh 128k, Thick vertical lines — #11
Post #11 by techknight
Source Forum68kMLA
CategoryTroubleshooting
Post DateMon, 14 Mar 2011 - 03:15
Original URLhttps://68kmla.org/bb/threads/unhappy-macintosh-128k-thick-vertical-lines.22538/
Post
Depends on WHICH ram chips are bad.

As the screen refresh uses a certain address of RAM, if that IC is bad, youll have this issue.

or if one of the address decoders is toast, or PAL ICs is toast, youll have this issue as well.

Disclaimer: MacTrove does not claim rights to any software on the site. To the best of our knowledge, these titles have been discontinued by their publishers. If you know otherwise, please contact us and we will remove them accordingly. Thank you for your attention.