Yeah, I got all the schematics and pinged the ribbon connectors to chips, as well as the D0-D7 and A0-A2 lines between the SCSI and SWIM, they checked out, also both have power and ground. Gonna refresh the solder joints on them and the ASC and report back for more hive-mind insights :)
To be honest, I'm more concerned about the floppy/SCSI side of things. Any similar diagrams for that part of this story? The floppy drive is a known good one, that worked before, now when I insert a floppy, I don't hear the head assembly seeking, just a 2-sec delay and eject with an X icon. The...
I took some time and checked some traces and cleaned the sound area a bit more with a Q-tip and iso, after reassembly the sound is now gone completely. The Vdd and gnd pins of the UE10 are slightly more corroded than the rest. I also made some new 7.1, 7.5.5 boot floppies on my PowerBook G3 but...
Hello, everyone!
I recapped a battery-bombed SE/30 about 4 years ago, replacing all the electrolytic caps with tantalum ones, and got it fully working. Recently I decided to check the Mac and sadly it wasn't booting from the internal scsi drive AND the floppy. Both the hard drive and floppy...