libsmbios and Poweredge 840

[Michael E Brown]

On Fri, Jan 25, 2008 at 06:08:27PM +0000, Peter wrote:
> Is it possible to control the back fan speed on a PE840 using libsmbios?
> 
> The machine would be OK in a server room or a noisy office, but is very 
> obtrusive in a quiet office because the back fan won't spin below 
> 1800rpm. Obviously unnecessarily fast since the processor only goes up 
> to 45 degrees without the fan running at all when the system is idle.
> 
> I'm running Debian Etch if it matters: Ubuntu's RAID1 support is badly 
> broken in that it's impossible to boot with one drive missing. Debian 
> 'just works'.
> 
> Any advice gratefully received otherwise the PE840 will be dumped for 
> whatever I can get for it.

you may try a BIOS upgrade, since some machines actually had BIOS bugs
that caused the fans to operate at unnecessarily high speeds.

Libsmbios has no way of controlling fans.
--
Michael