• CPUClock version 2.09

    From News@21:1/5 to All on Sat Apr 24 20:19:22 2021
    I am pleased to announce that version 2.09 of CPUClock is now
    available. This is primarily a bugfix and general improvement version.

    Version 2.09 of CPUClock can be downloaded from
    https://homepages.plus.net/chrisjohnson/software/cpuclock.html
    or
    https://www.chris-johnson.org.uk/software/cpuclock.html

    CPUClock is also available via a package manager. If you use !Packman
    then CPUClock should already be listed. It may take a day or so for
    the new version to propagate. If you use PlingStore, then CPUClock is
    also available from that source.

    What is CPUClock?
    -----------------

    CPUClock is only of use on modern native hardware. It is known to work
    on the BeagleBoard, PandaBoard, IGEPv5, Titanium, and RaspberryPi. It
    will not run on older hardware, nor under any form of emulation.

    On modern hardware, the CPU speed is automatically switched between a
    slow and fast speed, depending on how hard the CPU is asked to work.
    When the wimp is 'idling', the CPU speed is throttled back, but when
    working hard processing, the speed is switched up. One effect of
    reducing the CPU clock speed is that the silicon runs cooler.

    CPUClock operates in a number of ways. It displays the 'current' cpu
    speed (by default updated every second). In normal use you can see the
    cpu changing clock speed as you do things in the desktop. CPUClock
    also displays the temperature of the CPU silicon die. This will be
    seen to change with CPU load, increasing when the CPU is clocked at
    the fast speed. Besides simply displaying CPU speed and temperature,
    CPUClock can automatically reduce the CPU clock speed if the CPU
    temperature rises excessively. The trigger temperature, and fast speed
    used can be set by the user. The core functionality of CPU temperature
    control is in the CPUClock module, rather than the GUI front end. This
    means the regulation continues even if the wimp goes in to single
    tasking mode when carrying out intensive processing.

    CPUClock now has the additional facility of fan control on a Raspberry
    Pi. The fan must be driven from the GPIO, using the 'official' pin for
    the control signal. The fan on and off temperatures are user set and independent of the temperature settings for cpu speed control.

    CJEMicros supply a real time clock (RTC) module, which is fitted to
    complete computers supplied by them (e.g. PandaRO, RapidO Ig, and
    RaspberryPi models). The module can also be user fitted to the bare
    boards. Not only does this provide a hardware real time clock, it also
    contains a temperature sensor. This effectively gives a read out of
    the 'case temperature'. CPUClock will detect the presence of the RTC
    module, if fitted, and will display the case temperature as well as
    the cpu die temperature.

    --
    Chris Johnson
    Edinburgh



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