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Re: Chipsets with Dual Address Cycles (64 bit addresses)
- To: Mailing List Recipients <pci-sig-request@znyx.com>
- Subject: Re: Chipsets with Dual Address Cycles (64 bit addresses)
- From: "John R Pierce" <pierce@hogranch.com>
- Date: Thu, 5 Mar 1998 08:30:47 -0800
- Resent-Date: Thu, 5 Mar 1998 08:45:03 -0800
- Resent-From: pci-sig-request@znyx.com
- Resent-Message-ID: <"XG7V01.0.yp2.-Bj_q"@electra.znyx.com>
- Resent-Sender: pci-sig-request@znyx.com
>does anyone know of chip sets for Intel Pentium/Pentium II-CPU with a north
>bridge that (optionally) supports dual address cycles (64 bit addresses)?
Since the Pentium and Pentium-II only support a maximum 4GB address space,
and the Pentium-II's built in level 2 cache only has tag space for 512MB of
ram (and most Pentium chipsets only have tag space for 64MB), I can't see
what the purpose of supporting 64 bit addresses would be.
-jrp