Will it work? Original Macintosh from Harvard. Restoring keyboard M0110, the mouse, and reassembly
ฝัง
- เผยแพร่เมื่อ 17 มี.ค. 2023
- Can we save this battery juice-bombed Macintosh (128)
Part 1 here: • An original 1984 Apple...
Part 2 here: • Original Macintosh fro...
This video is Part 3
--------------------------------------------------------------------------------------
New on patreon.com/Epictronics
--------------------------------------------------------------------------------------
Tools I regularly use
DeoxIT D5 Contact Cleaner
Hanstar 861DW Rework Station
Pro'sKit SS-331 Desoldering Station
UNI-T UT61E Auto Ranging Multimeter
UNI-T UT890D Manual Ranging Multimeter
MESR-100 mk2 ESR meeter
PINECIL Soldering Iron
PinePowerPSU
TS-100 Soldering Iron
AMTECH NC-559-ASM Flux
MaAnt Grinding Pen
Multicore 60/40. 0.38mm and 0.5mm solder
TL866 II Plus Programmer
Tektronix 2246A 100 MHz four-channel analog scope
Rigol DS1054Z 50MHz four-channel digital scope
PCBs from PCBWay.com :)
--------------------------------------------------------------------------------------
Join me on Twitter: / epictronics1
Music by Karl Casey @ White Bat Audio
#marchintosh #macintosh - วิทยาศาสตร์และเทคโนโลยี
![[Full Episode] MasterChef Junior Thailand มาสเตอร์เชฟ จูเนียร์ ประเทศไทย Season 3 Episode 4](http://i.ytimg.com/vi/e7Oqqo90x_w/mqdefault.jpg)
Part 1 here: th-cam.com/video/TiJTBwFGgXs/w-d-xo.html
Part 2 here: th-cam.com/video/rmcNIY7fGUM/w-d-xo.html
This video is Part 3
New on patreon.com/Epictronics
@ 10:07, they are called E-clips (UK). A form of self-centering circlip for posts.
Thanks
"Hello Epictronics"
You have a new friend now. 😁
Haha, I sure do. His name is Mac Harvard :)
@ 24.29, I think the "disk lock" sensor (the microswitch on the eject motor) is out of position in relation to the white plastic cog (the switch cam) on the slide. Check the brown & black wire on the eject motor.
Ok, I'll check. Thanks
A lot of the tech that Xerox implemented was previously demonstrated by Douglas Engelbart 1968 in the "Mother of all Demos".
He and his team pioneered the GUI and a lot of the concepts that would only be implemented commercially many years later.
Engelbart was a visionary and the original inventor of the computer-mouse (although there were other mouse-like devices used previously).
I had completely forgotten about Engelbart. Thanks for the reminder. I should have mentioned him in this vid
@@Epictronics1 It happened to him a lot, even big institutions forgot his contributions. Many tech gurus of later years credited the MoaD as one of the reasons they became able to "think different". Only a handful of people had a similar influence on our way of life.
Those rings are called “E clips”.
Thanks
Or circlips
Technically, it's a Type E circlip. So you're both right really 🙂
Well done! The voice at the end was a nice touch!
Thanks :)
Oh no, you also had a floppy drive nightmare! I had a deja Vu! :) I'll be curious to know what the problem is on that one. I have never seen old grease seizing so badly!! Wow that was something. If I might suggest, white spirit. It smells but you can use a container (better if glass but plastic ok) to soak the parts. It will dissolve everything. I call those rings "seeger" rings. Not sure if it's the right name. Very nice outcome!
Thanks :) Unfortunately, I installed MacinTalk on this Mac, so now he is making fun of me every time I make a mistake in the studio haha
9:48 it's called an E-clip
Thanks!
The generic name for all different types of these is circlip.
I was about to comment C clip, it looks like these names are used interchangeably
@@ajsnz Thanks
@@EmielRoumen Yeah, they all make sense to me. Thanks guys
C-clip and E-clip (depending on the shape).
I almost thought they were a type of snap ring. But after reading the comments, and a little thinking, snap rings are fairly different.
Very nice work! That drive looked like a nightmare of old lubricant!
Thanks. Too bad we couldn't fix it. Hopefully, it's just a bad cap
I had similar problems with my external 400K floppy. I never found the solution, but I was almost on the right track. The hall sensors in the motor assembly apparently go bad. They will measure kinda okay, but I found some forum posts later (years after my repair attempts) that someone repaired the same floppy drive with same symptoms with replacement of the hall sensors
Thanks, that could be very useful. I'll check the sensor early on in the next repair attempt
Hello, Computer.
Some more talking here :) th-cam.com/users/shortsFqNSdOyWTuA?feature=share
The way I have always heard the story of Apple and PARC was that Ron Wayne and the Steves got some time (24 hours maybe?) with the source code for PARC's GUI in exchange for 100k shared of Apple stock... but who knows? Everyone tells a slightly different story when asked.
Apple went public on December 12, 1980 at $22.00 per share. That was a pretty good deal for Xerox...
@ 26:11 - I am not so sure these two ROMs are from the same release (A, B, C). Surely HI-B and LO-B?
Yeah, I noticed one of my other Macs has Low-A and High-B ROMs. Don't know why two of my Macs came with mixed ROMs
Those clips are circlips generally speaking or more specifically e clips in this case.
Thanks
That is what I’ve always heard them called…
You made a comment that the keycaps (except for the spacebar) had not yellowed.
And you would be correct! The keycaps are made of PBT, a plastic that doesn't yellow. The spacebar is made of ABS, which definitely does yellow.
ABS is easier to mold than PBT. Long PBT parts like the spacebar can warp as it cools down during manufacturing. On the IBM Model M keyboard, the spacebar is made of PBT and quite frequently will be warped. Never enough to affect functionality but one of those things a perfectionist will be bothered by once they see it for the first time!
Interesting, thanks for sharing. I will be going over my Model Ms now looking for warped spacebars
Grease is soap (the chemical term, not specifically hand soap} and a solvent. When the solvent evaporates all you are left with is soap.
Interesting, I didn't know that. thanks
What about synthetic grease? It just stays the same in the tub for years
When you say soap is it the same as lubricant?
@@Walczyk 40 years with the lid off?
@@Walczyk Lots of lubricants are soaps yes
What machine did you use to test the 400K drive? iirc the 400K drive requires the PWM speed signal sent by the logic board on the old machines designed for the 400K drive. newer machines wont provide that signal.
I tested the drive with an early 128k rev-A and a 512k with rev-B. It would be interesting to know exactly what Mac models can work with 400k drives
I love the restoration but I'm concerned about the WD-40. There is a widespread belief that it's quite safe and benign but that is not correct. It's petroleum distillate and is poisonous. Right on the front of my can are the words Extreme Danger so I don't recommend breathing it without a second thought and then seeing what happens down the road. If you really want to experiment on a human, at least pick someone you don't like rather than yourself. 😉
I'll see if I can find a volunteer ;)
@@Epictronics1 I suppose that's an option. You're very kind. Seems like a Darwin Award kind of thing.
@10:08 that is a C clip
Thanks
That is called an e-clip
Thanks
I was thinking about the keyboard noise
There’s auto products that stop resonating sound
Think it’s called dynamat
Obviously if there’s room in the case
It’s like thin foil covered butyl rubber
Self adhesive
I’m sure there’s a clone cheaper version
Nice content
Thanks. I think I'm gonna try this MOD on my Mac Plus KB. It's almost identical but it also has a num pad. I'll see if I can find some dynamat
@@Epictronics1 dynamat is very good
I watched American hot rod years back and it was used to reduce engine noise road noise
I’m sure it will stop the metal plate in the keyboard resonating .and improve things noise wise
Another thought has just come to me
A bit of sponge/magic eraser might be something you have
Like a damper on a piano
@@markdjdeenix6846 I've got magic eraser for sure. I'll see what I'll use :)
@@Epictronics1 cool 😎 between the bottom case and the plate
If it works could you do a short please 🙏
Circlips in english or spårryttare in swedish ;)
Someone taking apart a mechanical device soaked the pieces in vodka to break up the ancient grease.
Then he poured the sludge back into another bottle and labeled it "whiskey". 🙃
😆
first day of asking to buy a macintosh
10:04 I'm fairly certain that's a snap ring.
WD 40 fixes everything :)
WD-40 and DeoxIT are my two best friends :)
@@Epictronics1 Can't find DeoxIT here in Norway. I got "Oxide clean" from Biltema, but not sure if that it similar
Like some kind of secret agent 😊
Retro computer restoration rules - If it doesn’t move but it should - use WD40. If it does move but it shouldn’t - use hot glue.
WD40 isn't a proper lubricant, it's a water displacement agent and a penetrating oil. It's for stuff that's stuck, but you should clean it off and use a proper lubricant afterwards.
day 2 of asking to buy a Macintosh
That keyboard is unthonky.
10:10 ear clips that what they called them
In English, "W" is pronounced "double-you", just in case you didn't know lol. Oh, and the clip you removed is called a "C-clip", or "Cir-clip"...
day 4 of asking to buy a Macintosh
day 3 of asking to buy a Macintosh
day 5 of asking to buy a Macintosh
day 6 of asking to buy a Macintosh