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High resolution images of the 4 cartridges I own are shown at the 3:20 timestamp in my video. Specifically, I own these: CPU Tests Vol 1, v 1.1.1 CPU Tests Vol 2, v 1.0 CPU Tests Vol 3, v 1.0 SCSI HD Tests, v 1.0 I only lack CPU Tests Vol 4, which covers the LC III, LC 520, Color Classic, and...

I think this is an amazing project. @jajan547, you are to be commended for spearheading it! For those of you who don't already know what the Apple TechStep is, please know that I made a video about it here. Since there haven't been any posts under this thread since it was started in March...

Folks, here is one amazing example of excellent content that has not gained any traction at all in our forum... https://tinkerdifferent.com/threads/apple-techstep-replacement-roms-cartridges-software-and-more.1023/ No follow-up posts whatsoever! (Okay, I just added my post there.) But his...

You said earlier that you aren't bothered by the number of categories, so does the mean you wouldn't be bothered if the number of categories was reduced?

If there was a Japanese version that might work. It's a bit more complex to do that here in Japan though. :) Even so, I'm still happy with my first edition book. Besides, for all I know, there might be a 3rd edition coming out! ;-)

Friends, I think this is a wonderful discussion. Thank you so much for continuing to share excellent observations and suggestions! I am especially intrigued by what @beeblebrox wrong about "growing the community," and I also appreciate what @Patrick wrote about this forum possibly "driving...

That is perhaps the greater problem to be solved. But I am unsure if one can say that lack of activity is due to a large number of categories though. Thoughts?

Hi, @jcs As I mentioned previously, I am not on the board who makes decides like this, but I did go back and read all posts in this thread just now. I noted 5 people, yourself included, have chimed in to voice support for reducing the number of categories. A few others chimed in to say they...

That matches my findings. My CPU temperature did not increase that much, even without a full heatsink or fan cooling, when overclocking between the said range. I found that quite interesting. You'd think it would and should increase, but it really didn't in any meaningful way. Even so, I...

Interestingly, the CPU which would only clock to 48.4MHz measured about the same temperature as the CPU which overclocked higher, and both were around 60°C in my testing, with only a couple copper RAM heatsinks on them at the time (since I could not use my wired probe at the center of the CPU...

Very true about VRAM chip variations. By the way, the 68040 you kindly shipped to me was able to overclock to a max of 48.4MHz (rock solid stable frequency) in my Mystic when using your 60ns VRAM or Drake's. A second CPU that I purchased from UT Source (also with FPU, but with fake...

I could reach 49.2MHz fairly stabile with Mr. Fahrenheit's 60ns VRAM. With the 2-chip VRAM prototype that Kay shipped to me, which is also 60ns but is a tad faster due to lower latency, I can reach 50.1MHz. (Again, on my LC575 motherboard.)

CPUs take power in spikes. This is why capacitors are very important -- to satisfy the demands of power hungry chips quickly. When you overclock, the demands on the capacitors increase, but if the little resistor inside each capacitor (known as ESR) is too large, the capacitor cannot fully...

51MHz using your new 2-chip 60ns VRAM, or with the Mr.F. or Drake 60ns 4-chip VRAM?

Interesting to see tantalum caps on the motherboard, which seems to indicate power stability is less of an issue on that board than it is on the LC575 board. On the LC575 motherboard, both @Kay K.M.Mods and @Drake informed me that that couldn't overclock very high until they recapped (and in...

Texture and color matching are quite nearly perfect, Kay. Amazing craftsmanship! Two MADE IN JAPAN masterpieces!

Very interesting. On my Color Classic Mystic (LC575 motherboard) with 640x480 VGA mod, regardless of my attempts to change the display size, FPS will not display at all in Doom II. Since it displays on your CCII with the stock resolution, I am now curious as to the technical reasons why it...

For most people, the gold-toned 45x45x10mm aluminum heatsink shown in my Spicy Part II video is probably just fine. Using only 2 screws, a 40mm fan mounts well on top. You also made a wonderful 3D printable clip for it, such that decent thermal paste can be used. I'm definitely going to give...

That heatsink with embedded fan looks pretty slick, and it certainly is the lowest profile fan you can find, but with few fins compared to the 45x45x10mm gold-tone heatsink that I currently use, I wonder if the embedded fan version heatsink really offers the same amount of cooling. Fan noise...

In terms of noise, yes it will be an improvement over most 40mmx10mm fans. In terms of airflow and cooling, maybe not. Noctua keeps noise in check by selling fans with only modest RPM speeds. If you have a very noising 40mm fan in there now, I'll take a guess the RPM speed is higher than that...