Re: Pentium-D support

[Bill Davidsen]

Michael Thonke wrote:
> Bill Davidsen schrieb:
>
>
> > Since this is really a question in several areas I'll put it here. Now
> > that the Pentium-D processors are available at reasonable prices and
> > for quick delivery, can anyone speak to the ACPI issues? The available
> > boards use the 945 and 955 chipset. Is there any reason to think that
> > the scheduler would get confused by the CPU, such as thinking it was
> > HT or some such?
>
>
> There are only issues with CPUFREQ/speedstep and some ACPI related
> things on Intel 955X chipset I have. So I use a ASUS P5WD2-Premium.
> The Pentium D will reach me in few days so I only guess and  I think the
> kernel know how to handle Physical Cores and SMT/HT Processors.
>
>
> > The specs indicate that 64 bit is supported, is there any actualy
> > Linux support for the Intel 64 bit stuff in gcc and the kernel? One of
> > the people I work with reports that the distro he runs on his Athlon64
> > lock solid after reading the boot sector, so obviously this isn't
> > Athlon compatable.
>
> Yes the 64bit support of the Intel CPUs are well supported, I use a
> Intel Pentium 4 640 and 64bit compiled system (Gentoo 2005)
> I have no problems everything is working nearly perfect better as my
> AMD64 system.
>
> For GCC 3.4.x or 4.0.x you only need the compile switch -march=nocona as
> the name of the XEON..but its the same piece of technologie

Okay, unless I can find an Intel-64 build of Fedora I'll have to do it 
myself, but now that I know what option to use it's possible. Trust 
Intel to have a 64 bit standard which isn't Itanium and isn't ..quite.. 
AMD compatible.
> > The price is lower than a dual Xeon setup if you have an application
> > which needs SMP, and initial power values make it look like a lower
> > power solution overall.
>
>
> Cheep and good performance.

Thanks for the pointer!
--
   -bill davidsen (davidsen@xxxxxxx)
"The secret to procrastination is to put things off until the
 last possible moment - but no longer"  -me
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