First post, by mothergoose729
I ran into a video on youtube of someone using an Orchid tiny turbo 286 on an IBM XT. It uses an 8 bit ISA slot, and then it has a cable with the pinout of an 8088 that goes into the chip socket. With a toggle switch on the I/0 shield, you can toggle between an onboard AMD 8088 and a 286. It benchmarked at roughly 91% of the speed of an AT, which is blazing fast for an XT class machine.
https://youtu.be/NXVWLBO905s?t=1868
On my particular board I can toggle between 4.77, 7.16, and 9.55mhz on the processor. If I had one of these 286 cards, would I be able to multiply the base 8mhz by 1.5 and 2x if the CPU is capable?
I did an ebay search for one of these cards and came up empty. I guess they are rare. I was wondering if similar addon cards like this exist? Specifically cards like the Orchid that can toggle between an 8088 and a much faster processor.
Also, does anyone have any idea how much these cards are worth these days? It would help to know a ball park number when shopping or bidding on ebay.