Anonymous Coward wrote on 2022-05-23, 00:03: So wait...you're telling me that this thing can take TWO 8087s? Now that's crazy! Yup. The two 8087’s would be rated for different clock frequencies, and thus two different chips would be needed.

Plasma wrote on 2022-05-23, 04:27: If you have it in slot 8, try moving it to another slot. Thanks! Nope - it’s in slot 3 I believe

Thanks! It is indeed an interesting card. I don’t think they had cache in there, but cannot tell for certain. The ribbon would connect to the connector on top of the “dummy” chip (it is indeed an Intel 8088 with markings faded), and plug into the motherboard’s 8088 socket. You are quite correct - …

Hi! So, on a recent find I got myself a old PC XT with a dead motherboard and outer case in a pretty rough shape. I decided to scavenge some of the parts for my other machines, and found inside an AST Flashpak 8086 NEC V30 processor upgrade card, alongside with other AST expansion goodies. I wanted …