What must I do to get HPET

What must I do to get HPET

[Russ Dill]

I have an Acer Ferrari 5000 laptop, it has an AMD64 TL-60 processor, and an
RS480 host bridge. I'm running 2.6.22, I get no HPET.

>From looking at the kernel source, the HPET driver is looking for PNP0103. I see
no PNP0103 entry on my machine, just PNP0100. Searching around, it looks like
kernels running on other RS480 systems are finding HPETs.

http://lists.openwall.net/linux-kernel/2007/03/26/215

Do I need to get Acer to update the BIOS to include a PNP0103 entry? Is there
some way I can force this?

Re: What must I do to get HPET

[Andi Kleen]

Russ Dill <Russ.Dill@gmail.com> writes:

> I have an Acer Ferrari 5000 laptop, it has an AMD64 TL-60 processor, and an
> RS480 host bridge. I'm running 2.6.22, I get no HPET.

Actually it needs the 'HPET' table.

> Do I need to get Acer to update the BIOS to include a PNP0103 entry? Is there
> some way I can force this?

Yes they'll need to update the BIOS. They likely have one available
unless it's an old box because AFAIK getting a Vista logo requires HPET.

-Andi

Re: What must I do to get HPET

[Russ Dill]

On 22 Aug 2007 13:18:28 +0200, Andi Kleen <andi@firstfloor.org> wrote:
> Russ Dill <Russ.Dill@gmail.com> writes:
>
> > I have an Acer Ferrari 5000 laptop, it has an AMD64 TL-60 processor, and an
> > RS480 host bridge. I'm running 2.6.22, I get no HPET.
>
> Actually it needs the 'HPET' table.
>
> > Do I need to get Acer to update the BIOS to include a PNP0103 entry? Is there
> > some way I can force this?
>
> Yes they'll need to update the BIOS. They likely have one available
> unless it's an old box because AFAIK getting a Vista logo requires HPET.
>

It came pre-installed with vista ultimate. I can't seem to locate a
vista logo on the box or in the manual. However, the webpage does
clearly show a windows vista logo:

http://global.acer.com/products/notebook/fr5000.htm

I have the latest BIOS, what gives?