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Can it work? I have a Reply card in my Q800's PDS slot and I am seeing Orange DOS card on eBay (nubus) that will fit in my Mac.  Can 2 or more DOS card work together?

So one cap and a diode would be all you need.  Place a large cap (like 1 farad 5v) across SRAM 5v and ground and a diode from 5v source to the cap/SRAM to prevent cap from discharging through the entire Portable.

Wow I had a Kodak LCD panel (free dumpster diving) that powered on but I couldn't find anything to plug it in.  I think I tossed it on eBay some years ago.

Spectre.  It was cool 3D game way back then when 3D game often limited (flat or bitmapped polygon, very low polygon count) and some computers couldn't handle real time 3D rendering.  Today with modern computers it should come close to 3D quality like TRON Legacy light cycle game.

If it looks too green, look for Basic Color Monitor extension and toss it in System folder. It'll disable sync on green and make PC monitor a little more colorful.

Or an adapter board to use IIci cache card.

Got a replacement PSU in.  5v standby checked good. Plugged it all in, power on BOOOIIIINNNNG!!! It works!!  The hard drive included had OS 7.6 and a bunch of old files from a check apps. The last date were over 15 years so it's a good bet any sensitive info is useless. Going to wipe the disk...

Mac Garden site do weed out old software if the copyright holder demands it.  You won't find EA games available for download.  I had to find an original Bard's Tale disks for my Mac.

I found something that worked at Radio Shack. They had a long bit with T-10 and T-15 at opposite end. I broke off T-10 tip and it fits a standard 1/4" driver. Combined length was just long enough for the screws in the top!  That was about 20 years ago, no idea if they still have it or not.  The...

If that IDE bridge doesn't work for Macintosh for some reason, and you don't mind having external hard drive consider early PowerPC based Powerbook like Wallstreet or Duo 2300. They support IDE drive internally, can work with $5 CF to IDE adapter, and can be connected via SCSI cable to another...

I remember playing very similar game on a Ti/99 4A computer back in the old day. Dang can't remember it either.  I think it had something to do with kangaroo?

snipped My Duo 280c does 640x480 at 256 color. The odd 400 resolution is only if I switch to higher color depth, not many 68k games will support higher color depth beyond 8 bits, and some games that doesn't complain about color often runs much slower so I leave mine at 640x480x8 permanently...

Taking hard drive apart in any room that isn't 100% dust free is a bit risky. A speck of dust can slip in unseen and a few days or a few years down the road, the dust can work its way to the head and render it unable to read or you might get something like dirt that can scratch the platter...

Why not cook up a mod that forces limit on charger so one can use any power supply and not worry about it melting due to overdrawing current?

Easier to get SE/30 than to try and upgrade Mac Plus.  Mac Plus is limited to max 4MB, no internal hard drive without serious hack, and the tiny keyboard isn't too comfortable compared to Extended Keyboard II. Plus you're also limited with choice of mouse for Plus vs SE/30.   SE/30 can have...

Famous last word ^^^^ Always is harder than it looks on your first few tries.  I've destroyed a few parts practicing. Thankfully junk electronics (old TV after you zap the CRT or old VCR) are common. 

He's talking about cut trace between UG7 and UH7. That's what it looks like to me.

There are probably 6 caps directly connected to power out on the PSU.  I remembered an old trick for checking a switching power supply. Using ohm meter and with no power, check the pins with respect to ground.  Good rail should be almost 100 ohms.  I got 40 ohms on 5v and 5v standby while +12v...

How about leaving it clear and engrave logo? Fill in the groove with colored paint?  Like these: or

Or maybe the wire just cracked from being flexed too much in the hinge and just happened to break when you installed at the same time? Would never know since that memory is long gone.