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If you can split correctly, I think you can do it in any way! My method is not the only correct answer. My twitter friend gave me split.py script like this: I think you have a lot of split code. I usually program ROMs in Windows, so it was not a problem to switch to Windows in Step-4. And...

Create your own Bootable 2MB ROM SIMM << Last edit Feb 16, 2023 >> Crucible App for the Mac OS There were a lot of steps to create a ROM, but we made this easy ! We now have a MacOS-only app "Crucible" that allows you to skip some creation steps. TD Crucible post is here Here is my blog...

I made a ROM SIMM that can be programmed using a general-purpose ROM programmer. See the details of my blog: https://ameblo.jp/keroxiee1016/entry-12779429924.html

This is @eric 's post, so plz PM any questions, we dragged the topic little too far...lol I think he is good at PLCC soldering, so I don't think he needs information on soldering irons or advice on soldering. I think he will do well !

There is no magic like you think, no special technique is required:LOL: The important points are that the temperature of the soldering iron is stable and that it has a knife edge to heat both the pad and the foot. It takes about 5 minutes to install 3 ICs. I recommend you a Hakko FX-951 and...

@eric In my experience, the first thing you have to do is solder the MC68882. The pads are about the same size as the 68882 legs and will be difficult to solder. Next, UH7, UD12 and UF12, Their pads are also smaller. Other soldering tasks are relatively easy. Good luck!

This product has been sold out. The next batch will arrive at the end of this month. Thank you! https://en.infinityproducts.co.jp/shop-1

Introduce new products that I designed, SMC 4MB Memory Card, Bare PCB Kit. More details here: https://ameblo.jp/keroxiee1016/entry-12778729322.html https://en.infinityproducts.co.jp/product-page/smc-4mb-memory-card-diy-kit The cost for the 4x cards, One BARE board is only 8USD plus shipping...

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...