From: Vojtech Pavlik <vojtech@suse.cz>
To: Andre Hedrick <andre@linux-ide.org>
Cc: Alan Chandler <alan@chandlerfamily.org.uk>, linux-kernel@vger.kernel.org
Subject: Re: [preview] Latest AMD & VIA IDE drivers with UDMA100 support
Date: Wed, 24 Jan 2001 20:25:27 +0100 [thread overview]
Message-ID: <20010124202527.A2405@suse.cz> (raw)
In-Reply-To: <20010121104606.A398@suse.cz> <Pine.LNX.4.10.10101241003270.14153-100000@master.linux-ide.org>
In-Reply-To: <Pine.LNX.4.10.10101241003270.14153-100000@master.linux-ide.org>; from andre@linux-ide.org on Wed, Jan 24, 2001 at 10:04:50AM -0800
On Wed, Jan 24, 2001 at 10:04:50AM -0800, Andre Hedrick wrote:
> > Well, I know this. But I fear hardcoded timings won't really help here,
> > unless everyone out there ran their chipsets at 33 MHz, in which case the
>
> You have to run the ATA Chipset at 33MHz or it will fail in 99% of all
> cases.
No. Though I'd advise everyone to stick with 33MHz PCI when they can
because it is safe. But even the VIA specs mention 25, 37.5 and 41.5 PCI
speeds.
> This is not the FSB running at 66/83/100/133. So hardcode is
> correct.
If you set a MVP3 or MVP4 chipset to 83 MHz FSB, you'll get 41.5 MHz
or 27.6 MHz PCI. And there are chips speced for 75 and 83 MHz FSB's -
Cyrix 6x86MX etc.
No way to get 33 here, if you *don't* want to over/under-clock the CPU.
--
Vojtech Pavlik
SuSE Labs
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next prev parent reply other threads:[~2001-01-24 19:25 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-20 17:14 [preview] Latest AMD & VIA IDE drivers with UDMA100 support Alan Chandler
[not found] ` <Pine.LNX.4.10.11101200938180.2302-100000@master.linux-ide.org>
2001-01-20 18:45 ` Alan Chandler
2001-01-20 20:56 ` Vojtech Pavlik
2001-01-20 22:57 ` Andre Hedrick
2001-01-20 23:55 ` Alan Chandler
[not found] ` <Pine.LNX.4.10.10101202015510.1776-100000@coffee.psychology.mcmaster.ca>
2001-01-21 10:51 ` Alan Chandler
2001-01-21 11:44 ` Vojtech Pavlik
2001-01-21 9:46 ` Vojtech Pavlik
2001-01-21 13:04 ` Jan Niehusmann
[not found] ` <Pine.Linu.4.10.10101211237230.2017-100000@mikeg.weiden.de>
2001-01-21 16:32 ` Vojtech Pavlik
2001-01-21 20:49 ` Andre Hedrick
2001-01-22 0:12 ` Dan Hopper
2001-01-22 6:06 ` Mike Galbraith
2001-01-25 21:54 ` David D.W. Downey
2001-01-25 21:56 ` Vojtech Pavlik
2001-01-25 22:00 ` Andre Hedrick
2001-01-26 0:26 ` David D.W. Downey
2001-01-24 18:04 ` Andre Hedrick
2001-01-24 19:25 ` Vojtech Pavlik [this message]
2001-01-24 21:58 ` Andre Hedrick
2001-01-25 12:20 ` Vojtech Pavlik
-- strict thread matches above, loose matches on Subject: below --
2001-01-19 15:56 Vojtech Pavlik
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