Recent content by stansteph54

Hi Everyone, I've just picked up a Radius Full Page Display with a 9 pin connector. Unfortunately I didn't have any Radius FPD card :-( I have a FORMAC SE/3 card with DB9 out as well as a Radius 24 bit accelerated I/F card or an Apple Workstation/Portrait video card (13w3 connector). What are...

Thanks again. I will do my homework I promise you. I love having teaching 🙏🙏♥️ https://museo.freaknet.org/gallery/apple/stuff/mac/andreas.kann/SE_P1.GIF

Thanks a lot @bigmessowires , that's for sure a very helping post <3 Do you think I could try to switch the 2 Rom chips with the ones of the working FDHD motherboard ? Or at least try the Rom chips of the non-working 800k motherboards on the working FDHD motherboard ? same for IWM ? I checked...

*8 chips

thank you so much for reading my post and answering ♥️ I do have some 8 pins that I guess being 1Mb Simms, see first pictures on top of this topic. A ll of them were tested successfully on the FDHD board

Hi, here are the requested additionnal pics I took in best quality with my wife's phone lol. Also, I found this link which is interesting relatively to HALT and RESET mistakes/short on the cPU caused by a wrong sound chip ...

Yesterday, I re socketed the Rom chips and deOxited all socketed chips without any positive effect, unfortunately 😥

any recent update? thanks

No leakage at all, the motherboard looks very good but I will take some pictures of. Thanks a lot

Thanks a lot for your help. No chime at startup unfortunately. Here are some closer pictures. The screen isn’t frozen compared to chessboard issues, there are kind of speedy activities. Here is also a new video with reset button effect. it also makes a slight tic sound in the speaker when...

ps : Also different Analog board were tried including the working one the FDHD. thanks

Dear all, I’m the happy owner of a Macintosh SE M5011 first version with the 800k floppy and internal 20SC which luckily badged as well at its back. Unfortunately I’m not able to have it booting despite of trying different ram simms combinations that were tested well on my other SE Fdhd...

Hi everyone, I’m trying to bring a 650 back to life. I already read different treads about but didn’t found answer or similar issue. so it’s turning on, green led lighting, hard disk spinning…. but no bong and black screen… I have a 4mb stick that run great on the LC3 and a new pram battery...

just received a dead se30 with dead roughly repaired motherboard. Any chance to build a new one? what would be the price in the end ?? thanks

thanks a lot again for your help. I guess they are very common/standard diodes ? Any idea to test the optocoupler ?