Update:
I ordered the DRAM chips in my previous post. It turns out UM1 was NOT bad. After replacing all four "standard" ram chips on the IIgs mainboard the error still appeared and programs still would not boot without crashing. As I learned recently: those four chips are BANK 0. BANK 1 is the...
Greetings,
My brother picked up an Apple IIgs for me from the thrift store yesterday. I am getting an error: system bad: 02010400 when I run the self test by holding command+option during boot.
From what I can determine, this is a ram error. I removed the add-in ram card for now and re-ran the...
Yes I connected two different known good drives internally. An 80MB and 350MB. The drives are seen and will boot the system when I put them in an external SCSI enclosure and connect them. Is there a filter capacitor for the internal SCSI connector that may not be working?
Hello all,
I recently recapped an SE/30 motherboard. I cleaned the board with a toothbrush and soap and hot water, let it dry for a week or more and then replaced the capacitors. All the chips and traces look good on visual inspection. It boots and works fine, but the internal SCSI bus will...