I recently added 'check the crystal is oscillating' to my list of basic
checks..
Can you scope it and see if you have 2.4MHZ clk?
On Tuesday, October 13, 2020, Charles Hudson wrote:
> My Model 100 came to me with some problems and I have addressed what I can
> (replaced memory backup battery
Interesting approach - unfortunately, we're just entering fall here
(PA, USA) and all the sunny is behind us for a while. If I don't do
something else over the winter, I may try this come spring.
Also, a previous message mentioned automotive vinyl and plastic paints.
The brand on that paint was
I am looking for a Model 102 board and a Model 100 LCD.
Any offers?
Thanks
Robert
Howdy. An alternative that may be worth trying before any sprays or
chemicals is what I know as "airbriting" or "sunbrighting", which is
literally just leaving the plastic out to sunbake for an extended period.
I do not have any experience with "sunbrighting" a M100 but in general I
have had very
My Model 100 came to me with some problems and I have addressed what I can
(replaced memory backup battery and the usual capacitors, for example) but
this one has me stumped: After reliable service for more than a year, a
few months ago it simply would not light up. I hit the reset button, of
Well no word from Ron huh.
I can say, as I'm sure everyone suspects, he is a very clever programmer. I
spent some time taking apart his TEENY.DO loader for TEENY.CO
It is quite a thing. It is a 2 stage loader. First a program simply coded
as hex ascii loads up stage one, which then reads back
I’ve done some painting of portable electronics (specifically an Alphasmart
Neo) with good success. I followed the advice of using automotive spraypaints,
designed for dashboards, upholstery, etc. I’m not intimately familiar with the
chemistry, but allegedly the paint bonds with the plastic
Hi,
I’ve done the retrobrite on my T102 with some success. I have no idea if it
really made the plastics more brittle, but it didn’t get rid of all the yellow
although it was a huge improvement. But two weeks ago, I’ve gone another
direction with it and spray painted it mat-black. I’m very
I've got an M100 with a severely yellowed upper shell, and I'm
wondering what remediation possibilities I have.
I've heard of retrobrite, but I've also heard that it can make
plastics more brittle. For something that's a portable computer,
brittle (even if only slightly more than original) sounds
