I’ve acquired quite a collection of 8086 processors throughout this project, and I’m not feeling too bad about it either, because I’ve had every single one of them running.
Sorted by clock frequency, here’s what I’ve tested so far.
An expensive collectors item. I had to take a few courage pills before powering 8OD up with this fella plugged in. It works perfectly.
The first ceramic Intel 8086 produced in large quantities
USSR K1810VM86 (1990)
I’ve got a more detailed page about these here.
By Fujitsu. Mine’s not in great nick but it is the best looking 8086 compatible in my opinion.
By Intersil (formerly Harris Semiconductor). This is a very special variant of the 8086, because it is the only one that (as of 2015) is still in production.
This is an 80C86 which is a CMOS part, and runs significantly cooler (practically room temperature) than the original NMOS parts, but no faster, sadly.
Probably one of the most unexciting of all of these but being German, it is engineered to an overkill level of perfection and quality, outshining Intel’s own, and will probably outlive and outlast every other 8086 in existence.
A plastic 8086 by Intel. I suspect this was made in large numbers.
Intel branded, and in a Ceramic package.
I used to be an AMD fanboy a number of years ago so I had to have this one. These work fine but run the hottest of all the 8086’s I’ve tried.
This was the processor I used to verify 8OD.0 (the first prototype).
Unknown plastic 8086-1
This is a bit of a funny one. I was jipped by an eBay seller with this, but have kept it because it’s rather interesting. It’s marked as “D8086-1” but is made of plastic? ‘D’ is meant to mean ceramic by Intel nomenclature.
I also can’t help but notice that the font isn’t consistent with anything Intel produces either. It does run at 10MHz as advertised.
It’s in impeccable condition, and has a fairly cheap feeling package. It almost appears to be some kind of modern day reproduction, but uh… who would bother doing that?
A contemporary knock off perhaps? Whatever it is, I’ve not found a single picture or mention of another.
With the pimped up V20 a fat lot of good in 8OD, I was rather lucky that a less known variant of it: The V30, is compatible.
V30 is the only one here which is technically is not an 8086, but a compatible. Internally it is very different.
8OD is not able to unlock the full awesome potential of its 16 MHz maximum clock at present. This will eventually be done.