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Hmm, very interesting! I might try that with my XL.

Early Macs getting too hot in certain environments was they used to make things like the Kensington System Saver.

Got these at goodwill the other day. Not bad for a buck each. Both look brand new. The BAT1 cup is from Motorola. BAT1 was the Bump, Assembly, and Test facility that Moto built in Austin back in the '90's.

Motorola laser marked the die on most parts. Apparently IBM marked the substrate rather than the die on their parts.

The chip speed is probably marked on the package under the white "gasket". However, it would be best not remove it as you don't want to damage the die with the heatsink. I believe that 333W is the module speed and if it's running ok at 333 well then there you go! :)

Check the floppy drive connection. Also check where the Novy board was attached to the 68000 processor to make sure there's nothing loose or broken there. That's a nice Novy card, 50Mhz '030. And yes, you have to bend the frame a bit to install or remove the board with the card attached, that's...

Yeah, once you have the original battery apart and the Cyclon battery you'll see how it all fits together with a bit of trimming.

I'd have to take it apart to show it any better. I just carefully gutted the original battery. The Cylcon battery is essentially the same size as the Portable battery. On the outside of the Cyclon battery there are some reenforcing ribs (See photos of Cyclon battery pack) that I trimmed off...

Lithium ion batteries require a charger and charging system designed for lithium ion batteries. The Portable charger and charging system is designed for a sealed lead-acid battery. So, no, you can't use a lithium ion battery in a Macintosh Portable, at least not without extensive modification of...

You are correct. However, if there are accelerators for 68000 Macs that support more than 4mb of ram I haven't seen one. But I have not seen everything. :) And I had forgotten about the Portable, which iirc supports 9MB but it's kinda unique in many ways.

Even though the accelerator uses an '030 the SE can only support 4mb of ram as it is only a 16 bit machine.

Very nice! Way to stick with it to the end. Glad my old board found a new home. I hope it prints plain documents faster.

There are different versions of PDF, 1.4 thru 1.7 etc. I wonder if it makes any difference.

If you could post a photo it might help.

Sounds like a cache card for a Power Mac.

Neat. Nice that there was room for the socket.

Very nice.

So this old Lisa KB only barely worked if you really banged the keys. It's in pretty good shape otherwise for being 38 years old. I finally got some new foam pads and replaced the old ones. The old pads literally disintegrated into dust when I popped them out. I had to do it over a trashcan to...

That 14" Trinitron is a great monitor. I paid~$400 for mine back in the day. I think I still have it around somewhere.

I bought one of those for my grandfather some time after the end of the clone era. I think it came from Small Dog.