Messages in this thread | | | From | "H. Peter Anvin" <> | Subject | Re: CPU throttling?? | Date | 3 Feb 2003 14:14:23 -0800 |
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Followup to: <20030203211806.GA21312@codemonkey.org.uk> By author: Dave Jones <davej@codemonkey.org.uk> In newsgroup: linux.dev.kernel > > Most (all?[1]) other modern x86 mobile processors behave the way I mentioned. > AMD Powernow (K6 and K7), VIA longhaul/powersaver all have optimal voltages > they can be run at when clocked to different speeds. By way of example, a table from > my mobile athlon.. > > FID: 0x12 (4.0x [532MHz]) VID: 0x13 (1.200V) > FID: 0x4 (5.0x [665MHz]) VID: 0x13 (1.200V) > FID: 0x6 (6.0x [798MHz]) VID: 0x13 (1.200V) > FID: 0xa (8.0x [1064MHz]) VID: 0xd (1.350V) > FID: 0xf (10.5x [1396MHz]) VID: 0x9 (1.550V) > > Sure I *could* run that at 523MHz and still pump 1.550V into it, > but why would I want to do that ? > > Dave > > [1] Unsure about the crusoe. >
Crusoe changes frequency and voltages on the fly, transparently to the operating system.
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