[ltp] Re: double checking Debian's 686-pae vs. -486 probe

Andrey Rahmatullin linux-thinkpad@linux-thinkpad.org
Tue, 24 May 2011 22:39:14 +0600


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On Tue, May 24, 2011 at 08:58:43AM -0700, Ben Hutchings wrote:
> > > JM> How about trying a =93grep pae /proc/cpuinfo=94 instead of lookin=
g for
> > > JM> approximate CPU descriptions?
> > > And indeed lshw says
> > >           product: Intel(R) Celeron(R) M processor 1.40GHz
> > >           capabilities: fpu fpu_exception wp vme de pse tsc msr mce c=
x8 sep mtrr pge mca cmov clflush dts acpi mmx fxsr sse sse2 ss tm pbe up bts
> > >=20
> > > I.e., no pae.
> > > So I would add "often" in the Description:
> > Or specifically mention early Centrino CPUs not having PAE support.
> The Centrino brand refers to a combination of Pentium M, Intel chipset
> and approved WLAN adapter which all have good power-saving facilities.
> It doesn't refer to a processor.
I know, Centrino is just easier to remember than 'Pentium M'.

> You are correct that most Pentium M processors do not have PAE (or do
> not advertise it in CPU feature flags).  I didn't know some of the
> Pentium Ms were also called 'Celeron'; I'll see if I can rephrase the
> description accordingly.
Wikipedia doesn't have it either, But Intel site has:
http://ark.intel.com/ProductCollection.aspx?codeName=3D1788 (Banias)
http://ark.intel.com/ProductCollection.aspx?codeName=3D2643 (Dothan; some of
them support PAE, but apparently no Celeron ones)

--=20
WBR, wRAR

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