Speeding up a machine

[Jason D. Clinton]

On Fri, 2007-03-09 at 16:00 -0600, Billy Crook wrote:
> I've looked around the web for ways to optimize your Linux system.
> hdparm was mentioned a lot, but my drive is sata, and my cdrom is set
> to be recognised as scsi because as IDE, its throughput was too jerky
> to watch DVDs.  When I tried to turn on DMA, hdparm kept throwing a
> fit about "HDIO_SET_DMA failed: Inappropriate ioctl for device".
> sdparm doesn't seem to offer the same.  For example, I wand to use
> 32-bit transfer mode with sync,  hdparm won't cooperate, and sdparm
> doesn't know what I'm talking about.  

This will happen if the BIOS currently has the device in PIO mode. See
if you can put the device in UDMA mode from within the BIOS drive view.
You definietly do not want to use SCSI emulation these days.

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