Time to do a major mobo upgrade. Some help please.
My Mobo is an Asus Z87-K with 8G DDR3 1600 memory, Slot LGA 1150
CPU Intel Core i7-4790 CPU @ 3.60GHz
OS Arch Linux with GNOME.

Problems encountered: ACPI errors on boot but I am able to get in. Unable to run Manjaro or Antergos both Arch based and Solus won’t run either.
Suggestion that people have received on line is to get an updated BIOS but ASUS dates this from 2015 version 1402 and I have that installed.

My preference is to keep the CPU and Memory and get a more modern mobo if there is such a thing. That is where I would like help. I would not like to buy say a MSI board only to have the same problems.

The other alternative is to replace the CPU. I don’t need anymore speed this one is great for me but it is started to strangle me.

It may be time to update the motherboard. I don't know, although yours sounds recent enough. Asus generally do good, if not spectacular motherboards. ACPI problems can usually be sorted quickly. I'd start sorting them now if you had given the basic sort of info required. How_To_Ask_a_Question

That's a common issue and has been addressed several times. See discussion here:

https://www.linuxquestions.org/quest...pu-4175620371/

You'll have to be a lot more specific if you want to get any meaningful replies. Getting a new motherboard strikes me as a needless expense and may not solve your problem. I certainly wouldn't get a new one because you get ACPI errors on boot. See the above thread for a full discussion/explanation of that issue. It's generally nothing to worry about.

In trying to make the question simple I seem to have inadvertently posed more questions that I already have the answer to. The problem is that the BIOS needs an update and there is none. I was hoping maybe someone used another updated mobo like the Z97 chipset. That was the only question I wanted an answer to. Intel has marked the CPU as ‘End of life’.
At the moment I can run on the LTS Kernal not the bleeding edge and I think that is where the other OS problems occur.
As stated perhaps the only answer to to update to something like the Ryzen.

This Asus z-87 k seems a nice motherboard
https://www.asus.com/Motherboards/Z87K/

Don't see what it could go wrong with it

Out of date for the latest kernels.

Damn Linux team, worst than Apple

Just kidding, where did you get that info from?

Just because a system is end of life, doesn't mean it's not supported. My desktop is several years older than yours, hasn't had a new bios since 2014, but still runs fine with the latest 4.14 kernels. Linux, unlike some other systems, doens't have planned obselence built into it's kernel and doesn't purposely make it so that older hardware can no longer take newer software. Yes, some hardware support does get dropped eventually on purpose, and sometimes support for older hardware gets messed up just because noone has it to test anymore, but most of the time it's not intentional to cause issues with older hardware.

A mainboard replacement may be needed when the original poster has blown up condensators or other issues with the mainboard. A quite common issue with intel based mainboards according to different overclocker forums.

Which kind.

kernel 4.13 + 4.14 give me suddenly also some ACPI crap warnings and errors. Before I got nothing. They are working on ACPI I suppose a bit more since 4.12.

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When the box boots fine as you told us, I would not worry.

Also please be more specific about ACPI errors.

I am also on a dated CPU i7-3610qm quite old for today

And cpupower frequency-set is broken since 4.13? 4.12 not sure. I hate that as I can not get 3 hours of battery life out of my notebook now. sigh.

Have you seen the link? It uses high quality capacitors

I have nearly the same motherboard, Asus z-87 Plus here.
It's very good quality built and will last for years I am sure.

Its a problem that I can go back 12 months and it has been covered well. The fix if it can be done is in the BIOS which there is no fix. I have just found out that it effects the Z97 chip set as well. The idea that Linux will run on any hardware no longer applies. It is a very modern OD for modern hardware. If it runs on old stuff that is a bonus. ezeelinux.com and others have covered hardware issues very well.

Does it run the kernel versions being asked about and, if so, have you any advice to the original poster?
If it runs fine on your and not the OPs then, surely, a hardware fault could be the issue?

No, I run 4.4.6, I keep delaying the kernel update that is on task list...

Good, so you're in a perfect position to see whewther this is definately an issue meaning that the OP needs to upgrade or something not working on their build.