I had a problem very like yours, Display problem with complete booting. My problem was related to a faulty memory chip keeping certain lines low. I replaced them by taking them from an old mac II card.
Dont mind the crash, it was just a bad System install. Important thing is I got video.
I had the exact same problem with the jailbars, it was faulty memory chips. I replaced them by taking them off an old mac II video card. I just snipped the legs on the chips and joined them.
http://68kmla.org/forums/viewtopic.php?f=7&t=1047
I had something very like what you are getting with the bad video. Turns out I had 2 bad video memory chips, which caused thin vertical bars over the video.
But unlike mine, you are getting corrupt graphics as well. Could be a fault with one of the multiplexers (74F253) since your video is...
I think what you are looking for is the Iomega drivers : iodriver-mac-ppc-304.hqx
https://iomega-eu-en.custhelp.com/cgi-bin/iomega_eu_en.cfg/php/enduser/cust_alp.php?prod_lvl1=1&prod_lvl2=18&p_prods=1,18&cat_lvl1=75&p_cats=75&p_pv=2.18&p_cv=1.75&p_sid=4UUMwnDj
or...
There are plenty more on that Mac II graphics card [:D] ]'> PM me your address and I can post them to you. (I am in Ireland so it could take a bit of time to get to you, about a week to US)
Unfortunately due to limited equipment, I can only snip them off , so the pins wont be full length...
:b&w: :b&w: :b&w: Success. Thank you so much wally, you advice was accurate and concise. While it was not the exact solution , it started me on a road that lead to a sweet booting SE/30.
After replacing all of the chips from UG8 to UA8 with no chance I went searching for the...
Hi maybe some one can help
I have 2 SE/30s both have been idle for over a year, the SimasiMac one did boot over a year ago, I had a little trouble with SimasiMac back then but after a few boots its started up ok. I knew I would have to do the caps which I did last week. I also spotted a bit of...