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RE: IDE Bus Speed



OK...where exactly does one change the hdparms at?  I'm a newbie at
this...I got a "command not found" when I typed hdparm --help at the
term.  I see in dmesg where it says both drives are transferring at 33
MHz, but I cannot seem to find out how to change this.  I assume, as
well, that the CPU-Memory Bus speed is not set somewhere by default,
i.e. I have to specify it runs at 266MHz?

Chris



On Sun, 2002-12-01 at 19:27, Wolfgang Gill wrote:
> You can't change the IDE bus speed. It's set to 33Mhz (66Mhz if you have a
> MBrd with 64Bit slots). The 266Mhz bus speed you are refering to is the
> CPU-Memory Bus, and the board will run at that speed without problems.
> 
> However the IDE bus TRANSFER rate can be changed using hdparm (--help for
> parameters)
> 
> 
> Wolf
> 
> 
> -----Original Message-----
> From: Christopher Taylor [mailto:psychocop156 insightbb com] 
> Sent: Sunday, 1 December 2002 11:54 AM
> To: psyche-list redhat com
> Subject: IDE Bus Speed
> 
> 
> In reading the boot information for my RH8 system, I noticed that the
> system defaults to 33MHz.  It also says to set it using IDEBUS=XX. 
> Where do I set it at (I assume in grub.conf, correct?) and what are the
> limitations of it (i.e. I've got a 266 MHz system bus....can I set it
> that fast?)  Any input would be greatly appreciated.....just learning
> Linux, and need to tweak the machine out for UT2K3.
> 
> Thanks in Advance!
> 
> Chris
> 
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