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at bootup: Assuming 33MHz system bus speed for PIO modes

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StringCheesian
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Posted: Fri Jan 23, 2004 5:33 am Post subject: at bootup: Assuming 33MHz system bus speed for PIO modes

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Code:

ide: Assuming 33MHz system bus speed for PIO modes: override with idebus=xx

Is this something I can tweak for more speed?

My computer's motherboard is only about a year old... aren't modern system busses faster than that? And what are PIO modes?

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_Nomad_
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Posted: Fri Jan 23, 2004 5:41 am Post subject:

try setting idebus=66 or hdX=ata66 in grub.

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jef0113
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Posted: Fri Jan 23, 2004 6:34 am Post subject:

Here you can find more info about PIO Modes http://www.pcguide.com/ref/hdd/if/ide/modes_PIO.htm Jef

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StringCheesian
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Posted: Fri Jan 23, 2004 7:59 am Post subject:

So changing that setting won't make any difference because my motherboard/hd probably use udma instead of PIO mode. Thanks for the info!

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markkuk
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Posted: Fri Jan 23, 2004 12:36 pm Post subject: Re: at bootup: Assuming 33MHz system bus speed for PIO modes

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StringCheesian wrote:

My computer's motherboard is only about a year old... aren't modern system busses faster than that?

No, the PCI bus still runs at 33 MHz in almost all machines. Only server systems have 66 MHz PCI or even faster PCI-X bus.

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