Re: Can read PCI config space, but not normal space -on one motherboard?

> When the PCI function is first scanned it presents to the BIOS the

size of the range of memory it offers to be addressed from the PCI
side (as oppossed to the local side). In English, it means how much
memory it requests to be visible by the main CPU. The pnp BIOS
replaces this value by the base address which you are trying to

Good point. Now I see where you were going…

I would like to check that the BAR shows a real base address and not
the initial range request value. It is the BIOS task to replace RR
with the Base Address.

Yes, it shows a real base address that seems reasonable, for example,

Good suggestion, though.