3dfx Archive - AGP2PCI, AGP.5, AGP2PCIX F.A.Q.

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AGP2PCI, AGP.5, AGP2PCIX F.A.Q. (Read 677 times)

Loeschzwerg Senior Member Offline AAlchemy PSU maker :-) Posts: 396 Germany -> Bavaria -> Augsburg Gender:	Re: AGP2PCI, AGP.5, AGP2PCIX F.A.Q. Reply #15 - 14.12.13 at 15:04:45 Thanks I will test my boards as soon as possible, but I'm sure the results will be 3.3v. A thing I posted a few days before at VA forum: One reason why it makes no sense to go for 5V signaling on PCI 2.1 is AGP 1.0. Both are connected within the northbridge and a homogeneous signaling environment simply the way to go.
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Komponent

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Re: AGP2PCI, AGP.5, AGP2PCIX F.A.Q.
Reply #16 - 16.12.13 at 19:53:29

Added the following paragraph:
If however the desired to be used PCI slot and the motherboard's chipset sit on the same bus and the chipset already is setup to use AD16 for IDSEL (DEV 0) a BIOS hack might not help, as the chipset could be hardwired to DEV 0. The case where even if the PCI slot and the chipset are on the same bus, but still the BIOS hack will be effective is if the chipset has AD11 hardwired to DEV 0 (usualy the count starts with DEV 0 at the chipset from 11 or 16, there is no enforced rule).

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