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AHCICD.SYS alternatives? (Users)

posted by Japheth Homepage, Germany (South), 12.01.2021, 20:31

> I am not sure whether AHCICD only has a
> detection issue or whether it really NEEDS (additional?) SATA compatible
> registers?

Most likely it needs them - because the reason to exist for SATA compatibility registers is to allow a so-called Index Data Pair (IDP) mechanism, that simplifies AHCI register access for real-mode software.

> Or is it completely absent in your controller hardware?

No, this controller is AHCI-only.

It's not a real problem, may use another machine - it's just a bit inconvenient.

---
MS-DOS forever!

 

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