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We are assigning capacitors and types that are currently available. 

Rev1.0 worked fine with no footprint mistakes. For the next step, minor change in Rev1.2 (1.1 is a plan failure): - The LEDs are powered from +12V (similar to my Neck Board) instead of from +5V. There are 3 positions for LED placement because there is a preference. You can install it as you...

Welcome and I'm sorry for not noticing this wonderful post! I'm especially happy to be able to use the HD20 at 512K or 128K!

I made a temporary assembly... It worked well with no mistakes in hole placement and footprint, but now I'm going to investigate further: - Selection of mounting parts - Substitute part settings and footprint changes - Change of hole diameter

I'm slowly updating the board while waiting for the PCB to arrive. I used 5V to power the LED, but changed it to 12V. The original has dots scattered around the ground fill, but I did it the same way. I created the BOM first, so please use them. *Dec 22, Analog BOM Updated. *Dec 5, Neck board...

This is my LC475 running 50MHz, no issue... Carrera040 and Turbo040 can also be overclocked. Theoretically Booster40 should be possible. This is my SE/30 *The screen is green because I stole the tube from my IIc's broken monitor and installed it. In the case of an accelerator, the timing limit...

Yeah, I would be happy if it helps someone, the copper layer damaged by the electrolyte can be revived, so being clean is sometimes wonderful. But what happens after recapping is mostly due to solder cracks. Or overlooking that the legs of the parts are black and corroded. In that case, solder...

I had to report it here. I'm sorry @Kai Robinson ! Thanks for this very beautiful logic board, I appreciate it! I had a lot of fun soldering. The PCB is small, so I can recommend it to everyone. See the details of my blog here: https://ameblo.jp/keroxiee1016/entry-12774403327.html

I recently built Kai Robinson's Classic Reloaded and Bolle's SE/30 Recreation. Classic Reloaded was assembled cool and completed. However, the SE/30 is not cool with the genuine analog board, which is essential. So I decided to make an analog board. Before anyone points it out, this product is...

Yeah, What I meant is that the Molex HD connector goes straight to the analog board, nothing in between the 5V and 12V. Because of the structure of the Color Classic, it can be taken out from the back, making it convenient for measuring voltage. I'm not good at English, so I'm sorry if there are...

@JDW No, I thought it was impossible to change only 5V. It was a long time ago so I don't remember much, but I think it was the voltage adjustment before the regulator input. In other words, there is no function to adjust only +5V. I also noticed that rather than taking +5V from the SCSI or...

PP7 is correct

James, there are many people who care about your health. Don't get too hung up on one thing, take it easy and calm your mind by thinking about when your kids were little. It looks like the Color Classic adventure is about to end. Where to go next, but slow down for now.

You are better at showing these! Thanks!

https://ameblo.jp/keroxiee1016/entry-12774403327.html?fbclid=IwAR1Bb-JAwfwZ2k77kPK1PXqDzxygGpSyBiZgPFWt1JS7KEzYOsR4CRIX2T0 See the details here.

Just finished My Classic Reloaded...

@Drake is right. Thank you. All operations can be messed up if the timing is not right. For example, the serial stops working around 45Mhz. Although it is a theoretical value, an individual SMC-VRAM chip can operate at 55MHz.

It's still in the testing phase, but we're designing a Spicy O'Clock! Very Hot version. It has an amazing silicon oscillator that can be tuned from 18MHz to 120MHz. It was a use that was supported by 1/2 clock until now. For example, if we wanted a 68040 to go to 50Mhz, it had amplified it by a...