OSDev.org • "Programming interface byte"?

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"Programming interface byte"?

Posted: Wed Mar 31, 2021 1:50 am

by clementttttttttt

What even is "Programming interface byte"? The PCI IDE Controller article never said what it is, and how can I access it.

Re: "Programming interface byte"?

Posted: Wed Mar 31, 2021 2:54 am

by iansjack

Bits 8-15 of register 2 in the PCI device configuration header (PCI configuration space).

https://wiki.osdev.org/PCI

Re: "Programming interface byte"?

Posted: Wed Mar 31, 2021 3:31 am

by clementttttttttt

thanks, that was pretty confusing