Re: Pismo status

[Benjamin Herrenschmidt <bh40@calva.net>]

On Thu, May 18, 2000, Sven LUTHER <luther@debian.org> wrote:

>So this mean that the G3 and G4 cpus have both the equivalent of
>speedstep/whatever that AMD & Intel are introducing as a big novelty ?
>

Yes, they do, Intel did nothing new in this regard. The G3 can monitor
it's own junction temperature, can be programmed to fire exceptions when
reaching a given level, and can control it's instruction cache throttle
(which impact the speed and power consumption) via the ICTC register.
This along with other power management features like DOZE and NAP modes,
etc...