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I got the SuperMac SpeedCard today. I will be running it through it's paces this weekend. Stay tuned...

I should be getting the SuperMac SpeedCard in a few days. I will try and get benchmarks posted soon.

I see there hasn't been any movement on the project since last November. I really hope this will eventually become a product for sale. In the meantime I am picking up a SuperMac SpeedCard for my Macintosh SE. I would not mind owning both.

This is a really cool motherboard, but is extremely finicky when it comes to hardware and software compatibility. I think I finally have this 99% solved and just wanted to share what I have found out. Intermittent parity errors: I first thought this was a memory issue, but all the ram chips...

I thought I would share my opinion if it is worth getting or not. jrIDE compatibility: It does indeed work right along side a jrIDE. I have included a screenshot from the memory timings using the Quarterdeck Manifest utility. As you can see, the fast 512K is coming from the MCL86jr. The first...

I saw the recent video about the Tandy CM-1 monitor on Adrian Black's YouTube channel. Finding out this monitor was made by Mitsubishi and was used on the PC-9801 computers, I tried the RGBtoHDMI profile for the PC-98 400 lines, but the text output blinks and the graphics mode is distorted. I am...

The Tandy 2000 uses an 80186 CPU running at 8Mhz. I was just curious how a Tandy 1000 SL with an 8Mhz NEC V30 would compare performance wise. I have managed to get a couple of working Tandy 2000s with the help of a friend. I ran a couple different benchmarks on both systems to see how they both...

@Zane Kaminski Thank you so much for the update. It is very much appreciated and I am so glad to see this moving forward!

Let me restate my case and this may not be popular, but I feel it needs to be said. A product was announced intending to be sold by a for profit business. The only thing I was expecting was to be afforded the courtesy of some updates from time to time. I and everyone else in this thread were not...

I beg to differ in this respect. This was presented as something that was going to be sold on Tindie and eBay with tentative release dates given. It then just dropped off the radar. I would have at least appreciated a heads up that other things took priority or they were not going to follow...

I am really sadden that this project has stalled. This thread was started at the end of 2021 and now we are into 2024 with no accelerator in sight. I passed up a few opportunities for a Mac SE accelerator in the hopes this one would become available. Now I regret doing that. If another...

These are all 2MB 30-Pin SIMMS. I am trying to find out if these are PAL SIMMs and if they would work in a Macintosh II before I make an offer to the seller. The seller said they do work in a IIsi and Color Classic. I think the answer is no, but I just want to make sure. Any help would be...

I just wanted to add I did get another quote from www.ovaga.com that came in at $120. Again a bit steep, but it is another source if someone is looking for one.

I did some checking and was able to find a reliable source for purchasing one of these. I did find one other source but it was double the cost. Here is the weblink for a company in the Netherlands. Origineel Motorola XC68851RC16 MC68851 – Van Dijken Elektronica You cannot purchase directly...

Awesome and thanks!

I found out you need PAL SIMMs if you want to use more than 8MB of ram on the Macintosh II. There are some on Garrett's Workshop on Tindie, but are currently out of stock.

I just acquired a Macintosh II. Installing 8x4M 30-pin SIMMs, I get a black screen and a sad mac tone. 8x1MB 30-pin SIMMs work just fine. It does have the FDHD upgrade but, still has the Apple AMMU installed. The ROM version is $0178 according to the info screen in SpeedOMeter. So is this a ROM...

Here is a video on the Tech Time Traveller YouTube channel that covers this computer and the history of ComputerLand. A very interesting video.

I have a spare Tandy 1000 Enhanced keyboard I could get to you. It's missing the two risers on the bottom, but otherwise is fully functional. Let me know if you want to proceed with that?

This must be the Tandy 1000 SL I gave to a friend who gave it to you. Well anyway.... I have a couple of converters I use for my Tandy 1000 SL/2, TL/2 and TL/3 computers. Just look for the seller geralds_retro_pc on eBay. Those are the ones I have and they work without issue. There are...