Re: managing a fan speed via memory address

2023-05-02 Thread Dmitry N. Medvedev
good morning Adrian, 1. I am just learning :) Not 100% sure ACPI has anything to do with fan control ( still it looks that it actually does ) -- found the Advanced Configuration and Power Interface Specification PDF. Will spend some time grasping the ideas 2. to quickly write any driver I will hav

Re: managing a fan speed via memory address

2023-05-02 Thread Adrian Chadd
Is it not an ACPI driver? If not, you could write a quick fan driver! Is there a thermal sensor(s) you could read to see how warm they get? -adrian On Tue, 2 May 2023 at 17:06, Dmitry N. Medvedev wrote: > good morning, > > Recently I have learned about the dmidecode program and found the ad

managing a fan speed via memory address

2023-05-02 Thread Dmitry N. Medvedev
good morning, Recently I have learned about the dmidecode program and found the address of the FRNTFAN port in my HP Z420 machine: 0x0037. Since I am a complete newbie, I would like to learn if there is a way to read and change the value at this address. I need a bit of guidance. *The context*: I