Recent content by Canby Fat Mac

Here is the lisa side of the boards terminals. Just trying to figure the traces on that filp-flop chip. http://www.datasheets360.com/pdf/3693062306706269091

Thats Great!!. And seeing those were the clock battery. Thats perfect. Now to drawing this out 

Curious, Does the power button work? 

OMG Man!!! Thats IT!

Sorry if this has been asked before. My Lisa is in sad shape and will take time find another I/O board and software. What im thinking of doing in the interim is making a custom motherboard tray with the 30/60 male card end connector for disk, keyboard, and power switch feeds, and a 15/30 male...

I'm rebuild a Lisa 2/5 and I able to find a MC1489PD, but I'm not able to find a MC1488PD only a MC1488P (no D) is the MC1488P a suitable substitute? Also does anyone know what the thing is below R46? The battery's ate them.

Came across this card inside a 5120. Can't find much of anything online about it. Anyone know what it is?

It tunnel vision (well not tunnel shaped). Mac Portables that have been stored in humid areas will get moisture inbetween the glass and LCD. https://68kmla.org/forums/index.php?/topic/14107-the-end-of-a-pb170-lcd/I fixed this once by leaving a screen in a sealed bucket with silica gel but it...

Here an updated link, had to remove the last one. http://earlymacintosh.org/disk_images/3.2%20HD%2020%20Startup.sit

SWEET! Always nice to see a MP back from the dead. Nice Work!

That could also be a back badge of a 128/512k, the front badge apple is case color and the back badge is the color of the background of the back "Macintosh" / "Macintosh 512K" badge which it brown.

Heres the Original HD20 Disk with system 3.2  https://onedrive.live.com/redir?resid=F73182AF83ABB56%218075

That poster is super sweet! Now you need a 128k to keep the pluses company :) :)

The Conner CP3045 and CP3040 are the same hardware and platter with different controller boards. In other words, take the board off your broken drive and buy one of these for a OEM looking replacement...

I found a Macintosh Portable 5126 south side of London from the original owner. Got it back to the states today, put in a new battery and was surprised to find it works flawless (even the clock was set powered with 9v dated 9/94). Took it apart to remove the British invasion of dust bunnies and...