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    • Hello, I have recently bought a Macintosh SE, but when I started it, I saw a checkerboard pattern (with some noise). I then inspected all of the capacitors; they looked fine. However, after cleaning the 4 1MB RAM sticks, The screen was just blank. Oddly, if I only insert 2 sticks, the screen is just filled with noise. I have attached a video of the SE working with 2MB and 4MB of RAM. What should I do?   Thank you. VID_20200712_210831.mp4
    • @elemenoh I just took a good look at these sheets, this is fantastic work. Now you've done the hard work of reading those fuzzy old schematics and people have had a chance to review them, a move to a working schematic in KiCad or similar is so much easier. And from there a PCB. I wonder if Apple would shut it down? There are lots of re-done Amiga PCBs around but Commodore is long gone.
    • It's totally powered by the iPod Photo.
    • Yeah. A 512k was a great leap forward. Back in the day, I remember how a 512k with Switcher and an external drive felt incredible to use after starting out with a single-floppy unitasking 128k.  
    • I found the card - it's a WPC54G version 3. I don't remember there being anything that was advertised as being more Mac-specific, because by the time WPA2 appeared, Macs both stopped having places to put cards and had stopped shipping without pre-installed Wifi. (I re-read (USA) MacWorld's preview and review for the 2001 Dual USB iBook and it makes almost no mention of wifi at all, which is wild in retrospect.)   Depending on what your physical location is like, another possible option to make WPA1 or WEP or even no encryption at al reasonable might be to get a second router or access point, like an old WPC54G or earlier AirPort. You could even turn it on/off just when you wanted to use it.   I've thought about it, but I haven't done it because I live in a relatively high density apartment/condo development, where open/WEP-only wifi would be exploited pretty quickly.   The other option, which I might eventually do, is an unrestricted wifi access point meant for my iBook G3 and maybe the 1400 (I have some WaveLANs) that gets something like 128/128k to the greater Internet, and/or is MAC restricted, or firewalled such that the only thing it can access is vtools.