Re: Address spaces on a i386 - Getting Confused

Jes Sorensen (Jes.Sorensen@cern.ch)
06 Apr 1999 13:47:07 +0200


>>>>> "Thomas" == Thomas Sailer <sailer@ife.ee.ethz.ch> writes:

Thomas> "H. Peter Anvin" wrote:
>> The good news is that many 32-bit cards support Dual Address Cycle
>> for 64-bit addressing. The bad news is that I don't even think it
>> is the majority.

Thomas> Many? I've yet to see one. Those I've seen are far from
Thomas> supporting 64bit addresses (the vast majority of PCI sound
Thomas> cards).

The Essential Road Runner serial HIPPI card for one supports
this. Most 64 bit cards support it as well when plugged into a 32 bit
slot (the Alteon AceNIC Gigabit Ethernet NIC is one example).

Not trying to promote any products, these are just the cases I know
about, I am certain they are not the only ones.

Jes

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