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either the logic board's shorted (somewhat unlikely) or the analog board is unable to provide enough current

Try here

The FatMac Switcher would be your best bet, I wonder if that would work with 512ke/Plus ROMs?

I love the naming scheme! I used the same naming scheme when I upgraded my LC III ++ to its limits, including overclocking the CPU and maxing out its ram! I also plan to eventually add the "Evil RAS mod" to it, and swapping the 4MB RAM chips on the board to 8MB for a total of 72MB of RAM in my...

they usually happen around the main video connector, you'll see a ring around the joint which indicates it's cracked

but at least your problem's resolved now

yup, the wonders of modern VGA. Modern VGA monitors use an extra pin which powers a ROM on the monitor which communicates its capabilities to the graphics card or system

weird, the monitor must not like anything that isn't remotely close to its native resolution

hold command, option, p, and r on startup, once you hear the chime the second time, release those buttons, it should reset the resolution

imagine that on more macs, I know the Classic kind of has one with its ROM disk, but what about the other Macs?

it's roughly the same as S-video, because I've seen videos of people using S-video cables with ADB accessories

indeed it is. Mac OS 8 does automatically enable 32-bit addressing if it is off, I believe

what you can do is hold down command and v, which will put it in verbose mode, which should tell you what's causing it to hang on shutdown

maybe a cracked solder joint on VRAM?

you're better off pulling one off a dead SE

let us know if it works

I wonder if the 68881 can be replaced with a 68882

I was also gonna say, SE/30s are picky about their RAM as well

then recap it, no wonder it isn't booting up

check the voltages from the power supply, a Macintosh will not boot up if it's below 4.9x volts