From 834ce259f42b6abab9e9651799f21f8a6426b1da Mon Sep 17 00:00:00 2001 From: James Hughes Date: Mon, 14 Apr 2025 09:33:29 +0100 Subject: [PATCH 1/2] Update overclocking.adoc --- .../asciidoc/computers/config_txt/overclocking.adoc | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/documentation/asciidoc/computers/config_txt/overclocking.adoc b/documentation/asciidoc/computers/config_txt/overclocking.adoc index 7eeefb8e1..8fd6fa1e6 100644 --- a/documentation/asciidoc/computers/config_txt/overclocking.adoc +++ b/documentation/asciidoc/computers/config_txt/overclocking.adoc @@ -1,4 +1,4 @@ -== Overclocking options +== Clocking options The kernel has a https://www.kernel.org/doc/html/latest/admin-guide/pm/cpufreq.html[CPUFreq] driver with the powersave governor enabled by default, switched to ondemand during boot, when xref:configuration.adoc#raspi-config[raspi-config] is installed. With the ondemand governor, CPU frequency will vary with processor load. You can adjust the minimum values with the `*_min` config options, or disable dynamic clocking by applying a static scaling governor (powersave or performance) or with `force_turbo=1`. @@ -101,6 +101,10 @@ WARNING: Setting any overclocking parameters to values other than those used by | temp_soft_limit | *3A+/3B+ only*. CPU speed throttle control. This sets the temperature at which the CPU clock speed throttling system activates. At this temperature, the clock speed is reduced from 1400MHz to 1200MHz. Defaults to `60`, can be raised to a maximum of `70`, but this may cause instability. + +| core_freq_fixed +| Setting to 1 disables active scaling of the core clock frequency and ensures that any peripherals that use the core clock will maintain a consistent speed. The fixed clock speed is the higher/turbo frequency for the platform in use. Use this in preference to setting specific core_clock frequencies as it provides portability of config files between platforms. + |=== This table gives the default values for the options on various Raspberry Pi models, all frequencies are stated in MHz. From f0283ecf1263924769ce75eea578bb650bb323e8 Mon Sep 17 00:00:00 2001 From: James Hughes Date: Mon, 14 Apr 2025 13:30:14 +0100 Subject: [PATCH 2/2] Update overclocking.adoc --- documentation/asciidoc/computers/config_txt/overclocking.adoc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/documentation/asciidoc/computers/config_txt/overclocking.adoc b/documentation/asciidoc/computers/config_txt/overclocking.adoc index 8fd6fa1e6..b76a8ac8a 100644 --- a/documentation/asciidoc/computers/config_txt/overclocking.adoc +++ b/documentation/asciidoc/computers/config_txt/overclocking.adoc @@ -1,4 +1,4 @@ -== Clocking options +== Overclocking options The kernel has a https://www.kernel.org/doc/html/latest/admin-guide/pm/cpufreq.html[CPUFreq] driver with the powersave governor enabled by default, switched to ondemand during boot, when xref:configuration.adoc#raspi-config[raspi-config] is installed. With the ondemand governor, CPU frequency will vary with processor load. You can adjust the minimum values with the `*_min` config options, or disable dynamic clocking by applying a static scaling governor (powersave or performance) or with `force_turbo=1`.