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1, The Downloads folder is the "Downloads" folder already in your Mac's user directory. You can't do that, Crucible creates a total 2MB ROM image, but the first 512KB contains IIsi's Modified ROM, and the latter 1.5MB contains the ROM Boot Disk, but it is always a single boot image disk...

Mar 26, 2023 The new Crucible V1.1 is ready! Download here!!! New instructional video and information in this post＃25 The SMC ROM SIMM is a new ROM SIMM that was released the other day and has already been posted here. There are several steps to creating a ROM, and to shortcut this, we...

Another great YouTube video, Thank you @JDW

The second part of this post describes how to flash the ROM, but plz read that first. 512 KB of IIsi ROM is stored at the beginning of the 2MB. After that comes the concatenated BootDisk area. *This disk image is exactly 15.72MB. The sum of these two is 2MB, so not all 2MB can be used as a boot...

Calculate them as follows: 39SF010 x4 = 512KB 39SF020 x4 = 1MB 39SF040 x4 = 2MB There is no benefit to choosing 1MB, In the case of 512KB, it will be the genuine ROM capacity, so I think it's good if you don't need a boot disk or use ROM edited for 68040.

I don't think so. Again, the majority of these hardware cut Macs and Linux down, but it makes sense if these manufacture wants to build something cheap. Developing software for minorities is a gap-filling task... Since the T48 newly supports EPROM 27c160 (it works with many vintage computers)...

Actually, I bought a kit for the TL866II+, but it comes with many necessary adapters, but I rarely use them. So I do not recommend them. By the way, if you buy only the adapter you use separately, it will be considerably cheaper. Unfortunately there is no Mac application that can control the...

Unfortunately there is no corresponding EEPROM, so it is limited to 512KB or 2MB. However, 2MB is enough unless there is something special. I'll give you a link of T48, you can find it in AliExpress: T48 Programmer...

Sorry for the delay, congratulations everyone!

@Branchus made a great Youtube video. Watching his technique is very educational for VintageMac enthusiasts, and since he's been soldering SOJ's repeatedly, it's easy to see how it works! Thank you @Branchus

@JDW In the case of T48, more chips are supported, so it can be used widely. Vintage Macs rarely use the 27C160 EPROM, but the TL866II+ does not support it, but the T48 does. No matter where you buy it, it's made in China, so I think the cheaper one is better, but since many adapters are not...

We prepared 3 colors. LED color is all Blue. *It leaks from the case and looks faintly blue

Thanks @Bolle, This post thread should be SMC ROM SIMM information, so I will write it to prevent confusion, the information @Bolle , @robin-fo , and @Willj wrote about the PLCC32 is for SE/30 Recreation, not for the SMC ROM SIMM ROM, The SMC ROM SIMM is treated as a normal byte ROM SIMM, so...

Again, check the post https%3A//tinkerdifferent.com/threads/smc-rom-simm-prototype.2198/post-18951']#2[/URL] as I’ve updated the ROM flashing method. It's pretty detailed and I'm uploading a file that I made, Enjoy!

Oh No, You are starting to get confused too:LOL:! I asked @Willj to move the post to another place and not get confused. It's not about being mean to him, if he makes another post I will see the info there too, we can help him there! And I've confused people by coexisting Bolle's logic board...

Hahaha, I'm sorry, but I think it's no use asking me that. I've been using ROM SIMMs since the beginning, so I haven't tried that. Perhaps the stored data 0,1,2,3 usually fits from U4, U3, U2, U1 but I think it fits from U1, U2, U3, U4 and vice versa. But it would be confusing if I had to do...

Right, At an early stage, we thought about making it look like a genuine product and devising ways to make it popular with many people, but we didn't do it that way. It probably took more time and effort than you might imagine... We gave priority to sticking to our name and design rather than...

Finally finished this SMC ROM SIMM Card!!! https://en.infinityproducts.co.jp/product-page/smc-rom-simm-card ROM chips are sold separately. It's one of the cheapest ways to get one if you want to make your own ROM SIMM!!! Special Thanks to: @Stephen @Drake @OneGeekArmy

We know that some people have a negative reaction to our name. We are deciding what we will do. Please understand that it will continue as it is! Thank you!

We started selling SE Analog Board Resurrections. This comes with a neck board, 42USD. -The purple board is now Revision 1.3, and the C15 has holes for film capacitor. *Also has holes for electrolytic capacitor -The Red Board is Revision 1.2, The only difference is the C15. Since film...