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So you might have smashed and tossed a perfectly good memory board?

Isn't the 630 series the last of low end Macs before 68k was completely retired in favor of PPC?

https://discussions.apple.com/thread/2171912?start=0&tstart=0 Tried the trick with the power supply unplugged from motherboard and drives.  Still won't turn on.  I opened it and only found one fuse (checked good) and no obvious issue like bulging cap or burn resistor.  Only one obvious...

That 120Hz upscale might have been geared for live sport events.  Still a bad idea (big waste of $$$) because most people can't perceive individual frames at 60Hz anyway.  It's like using expensive 93-octane gasoline when most car won't show any difference using cheaper 87 gas.

Quick update: with the power plug in, I checked all of the pins. There are supposed to be a standby power but I got 0 on all of the pins.  I also tried the battery jumpstart trick, nothing worked.

Or the ehanced version with 120Hz upscale (which looks really bad when you're playing an animated video like Disney movie) and those enhanced with extra color: Yellow (RYGB instead of normal RGB) to try and get better yellow color but since standard video is RGB only the result may be...

Going to be tricky to try the battery trick. When the motherboard's installed the battery and power connector is blocked on motherboard side. I could only access the power supply on top if I unplug the motherboard cable. I'd have to see about trying to flip the motherboard over to access...

Or forgot what we learned. I finished high school 21 years and 5 months ago.   When I started school, Commodore PET was the new "easy" computer and my school was the lucky few to have some in library.  Finished Wines school with C64 and Apple II. Finished middle school with IBM PS/1 (the odd...

I just got it in today and I've looked over the motherboard and parts.  The battery hasn't exploded but it was dead (blue label Inorganic brand) I replaced it with a good purple battery. Removed the extra memory, the only Nubus card (ethernet but has 15 pin connector and old base-2, guess...

Twen-ty one six-ty four looks like 6 syllables to me :D

Doesn't mean I'd use the PPC card, it'd be there in case I want to run something that has PPC only code.  Alternatively I could put a DOS card in PDS slot but only 1 DOS card exists that fits there and it's sized to fit PMac 61xx. The extender board is fairly hard to find.   Like this...

Also fake can be of lower rating than actual, resulting in poor video or audio performance or excess ripple in the power supply. Oh yeah it can explode too.

After missing out that free Q700 by minutes, I decided to check other sources and picked up a cheap Q800. I'm planning to put the PPC upgrade and Video Spigot card in along with a video card if I can find one that is better than onboard video (with 1MB upgraded VRAM) It's too bad IIe card...

5mm standard LED

One SIMM I checked has mcm514256 x8 on one side which seems to be 4 bit x 256Kb? Or 1MB total. Might explain why my C610 never worked with it, it's either meant for really early 32 bit computers or printer?  Another SIMM has 4x hyb5117800asj which is 8 bit x 2Mbit or 8MB total which my C610...

OK so 24 year old battery.

Not all hard drive has external LED support.  Some of the newer GB+ hard drives that came out near end of SCSI Mac's life didn't have any jumper or pins header for external hookup.

Thanks for the offer. I am waiting on the offer for free Quadra 700. If I get it, I'll leave my C610 stock and play with Q700 instead.  Q700 uses older 30 pins SIMM and AFAIK there is no 72 pins to 4x 30 pins adapter to let me use cheaper 72 pins SIMM in older Macintosh.

Is the 16" a multiple scan type? I seems to remember older Macintosh not liking multiscan type monitors because of how the sense pins worked.  

It's also funny how there are many devices that would work on ADB while PC could only have keyboard to keyboard port and mice, trackball, and trackpad to mouse port.  ADB was like USB's distant relative.