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Sure, any specific unit you're looking for? I believe I have the largest collection of vintage drives in North America. I definitely do not need the 30-50 8425s I have.

Oh, dang. I've got a stack of about 30 Miniscribe 8425s laying around these days, what I am struggling to find is the MMI MM112 10MB driv ethat shipped with the HyperDrive.

I do have the complete kit excluding the disk drive and manual. I would be happy to trade the box, the packing materials, the control board, etc, even a suitable replacement drive in exchange. Rodime RO352, Seagate ST125, Miniscribe 8425, your choice.

Hello! I still have the kit for mine, which includes the controller. I would trade it all for just the mechanism - I'm specifically looking for the MMI MM112 disk drive that shipped with early HyperDrives. I'd be happy to provide you with a suitable replacement drive, from Rodime, Miniscribe, or...

I have not removed the IC from the drive yet. It is not socketed, so it is not as easy to swap.

I was able to get in touch with him and we were able to recently get ahold of a complete ROM image from his drive. Sadly, it did not fix my prototype drive, something else is still wrong with it. It may have hardware differences from production drives. He did mention that it was okay for me to...

Parts of it are already on a YouTube channel I started just to document them. Here it is, if you'd like: https://www.youtube.com/@TheDiskMaster I also have a Discord server and am working on adding a photo museum to my website. I have actually personally spoken with JDW in the past via email...

No, that is a Miniscribe 8425, not the MMI 112 I need the ROM from. The drive I am looking for is in the HyperDrive 10, as mentioned in my post.

Hello! I am primarily a collector of vintage hard disk drives, and I recently stumbled into owning an exceptionally rare prototype disk drive. The prototype is for a Microcomputer Memories Inc (MMI) MM-112, which was the standard hard disk with the GCC HyperDrive 10 kit sometimes installed in...

Do you happen to have the original HyperDrive 10 mechanism? Specifically, the Microcomputer Memories Inc (MMI) MM-112 hard disk drive that shipped with the 10MB version. I've run across a prototype of this disk mechanism with a bad EPROM and I either need a drive to image the EPROM from (I would...