[clug-talk] Power Usage of PCs.
curtis.sloan at shaw.ca
Tue Nov 30 15:13:11 PST 2004
On Fri November 26 2004 22:31, Kevin Anderson wrote:
> A couple of days ago there was some discussion about the amount of Power
> that people's PCs are using. Linux users seem to rarely take advantage of
> the power saving features in newer monitors in particular. I came across
> an article tonight that's both brief, and easy to read, so I thought I'd
> pass it along. Apologies in advance to anyone with a slow connection.
> It's also worth noting that hdparm can be used to set the spindown times on
> your HDD/CD/DVDs. It's a bit confusing, but I'll show it below, since we
> really never did discuss the details of it all in the last thread.
> hdparm -S180 /dev/hda
I have a couple of questions...
1) Does the -S option imply you need APM in the kernel? All the references I
could see in the man page referred to APM. I have ACPI compiled in but not
2) Has anyone played/experimented with the -p option (sets PIO modes). I
have my DMA/UDMA modes tweaked; I'm just wondering if the -p option has any
effect (including fallback), but I'm too scared to practice on my only
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