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Date:      12 Aug 2002 10:04:09 +0000
From:      Josh Paetzel <friar_josh@webwarrior.net>
To:        pjklist@ekahuna.com
Cc:        questions@FreeBSD.ORG
Subject:   Re: Very slow install from CDROM
Message-ID:  <1029146650.344.2.camel@heater.vladsempire.net>
In-Reply-To: <20020812060744068.AAA321@empty1.ekahuna.com@dyn205.ekahuna.com>
References:  <20020812060744068.AAA321@empty1.ekahuna.com@dyn205.ekahuna.com>

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On Mon, 2002-08-12 at 06:07, Philip J. Koenig wrote:
> I have the ISO Image of 4.6.1-RC2 burned to CD.
> 
> Trying to install on a P200-MMX (Compaq Deskpro 4000) with a Creative 
> Labs ~24x CDROM and 540MB Western Digital HD. (I know, it's small, 
> but I'm just doing the minimal install)
> 
> No matter what I set the interface settings to on the HD (PIO mode 0, 
> mode 4, EDMA) and even with both CD and HD set to DMA, and using the 
> workaround published in the errata for 4.6 to set DMA mode, the 
> transfer rate from CDROM is excrutiatingly slow, somewhere around 7 
> KB/s.
> 
> This is crazy.. any ideas how I can speed this up?  On another system 
> here (350Mhz P2, SCSI disk/CD) the transfer rate using the same CD is 
> ONE HUNDRED times faster.  I realize the slower system should install 
> somewhat slower, but not *that* much slower.
> 
> TIA,
> 
> Phil
> 
> --
> Philip J. Koenig                                       
> pjklist@ekahuna.com
> Electric Kahuna Systems -- Computers & Communications for the New 
> Millenium
> 
I do installs on classic pentium hardware all the time, and from my
experience, you should get between 150-200K/sec on the install, with the
ports tree dropping to 20-30K/sec.  Is the cdrom on the same IDE channel
as the hard drive?  Having them together on the same controller can
cause a start-stop data transfer, and if the cache controller or IDE
controller was broken enough I could believe (although it's a stretch)
7K/sec

Josh



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