Re: power draw depending on PHY speed

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Friday 28 August 2009, Leisner, Martin wrote:
> While doing some current probe measurements (i.e. to measure the effects
> of NAP and frequency scaling with a freescale processor) I noticed some
> very
> significant differents if we ran on 100Mbit of 1000Mbit ethernet.
> 
> The hardware guys like at their data sheets and agreed.
> 
> Does anyone "drop ethernet speed" to save power?
> (when a system is idle, is isn't necessary to run 1G ethernet).

I don't know, really.  This is a netdev question IMO (CC added).

> When a system has WOL capability, what speed does it run at when the
> system is sleeping?

That's a very good question.  I bet that depends on the NIC in question, at
least I'm not sure if any spec regulates it.

Thanks,
Rafael
_______________________________________________
linux-pm mailing list
linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linux-foundation.org/mailman/listinfo/linux-pm

[Index of Archives]     [Linux ACPI]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [CPU Freq]     [Kernel Newbies]     [Fedora Kernel]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux