How is the DAC connected with HQPlayer? It is unlikely to be directly related to the OS update. Maybe some setting got changed in macOS, Roon or HQPlayer?
Nothing changed in the chain and in the os/Hqplayer settings!
Chain: Roon server (HP Mini PC) - HQPlayer 5.15.2 (Mac mini M4 base) RPI NAA (HQ Image) - Holo Audio Cyan 2 (USB) Poly Sinc Gauss Long AHM7EC8B @ DSD1024 / everything worked fine here!
First I updated HQPlayer to 5.16.1, then to the latest OSX, then I started the music and then the error appeared.
I reinstalled 5.15.2, the error still remained, then back to version 5.16.1.
It only works if I remove the 48k DSD option and the adaptive rate. DAC correction is also active, but the error does not disappear even when turned off.
Nothing is visible on the cpu load graph, the load is the same. 
What kind of error do you get from HQPlayer?
In your setup, macOS CoreAudio is not involved with the audio. So I cannot think how the OS could be related to this issue.
There was no error in hqplayer, the music just stopped every few seconds.. 
The problem is solved. For some reason I plugged the NAA into a free port on my Asus router, which was previously connected to the switch. (Netis ST3116G)
The router is an Asus RT-AXE7800..
I just reconnected the cable to the switch and the problem was solved. 
Interestingly, it was only a problem with 48k music. 
So, if anyone has this problem, try it in a massive and stable switch.
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Likely the switch supports 802.3x (flow control aka pause frames) while maybe the router doesnāt. This would explain.
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Why is the 19400KS better than the 19400K or 19400KF? When I mentioned that I wanted the KS 6.2GHz to my shop they thought it was an odd choice.
FWIW, this was the configuration I landed on:
Motherboard: MSI Pro Z790-P Wifi
Processor: Intel i9 14900KS 1700 6.2GHz
Memory: G Skill Trident DDR5 7400 48GB
GPU: NVIDIA GeForce RTX 5090 32 GB
Operating Drive: Samsung 990 Pro 1TB
Data Drive: Samsung 990m Pro 1TB
Better? It is faster, the KS is billed as the top 19400 version with a boost speed of 6.2.
HQPlayer is itās own thing and does use multiple cores. But still that last ā.2ā of speed might be what you need in some processing situations. Jussi would be the final word on this.
Iām pretty sure the KS is hand selected for overclocking. It would be an odd choice for someone who isnāt a computer nerd who spends his days and nights gaming relentlessly. It is eye wateringly expensive as are all pc components picked, paired or otherwise deemed suitable for overclocking. In the U.K. it is over Ā£200 more expensive than the straight āKā variant!
Thanks, Iāll stick with the KS.
Beng that Iām upgrading my computer, I might as well make sure my switches are up to the task as well, since someone in this thread had an issue.
What are some good ethernet switches to look at and what specs, specifically, would be helpful to keep things from bottlnecking?
And a second question - is using the Uptone EtherREGEN as a final connection to my Holo Red as a NAA going to cause any issues with 2 channel playback?
I tested to 512 and the ER was ok.
For some people it works, and for other people it doesnāt. If you have playback issues, try taking it out. Since it is a 100 Mbps it likely doesnāt work properly at DSD1024. And I guess it doesnāt support 802.3az for example at all.
FWIW.
You are going to put top-end proc into entry-level mobo - this is really odd.
According to consensus on MSI forum, pro Z790-A is minimal mobo for K-processors. I have 14900k on pro z790-a and now Iām sure itād better to have Tomahawk or higher mobo.
Thanks. I spoke with my builder and he recommended the same thing after looking at the specs for the 14900KS.
OP/TS goal in this thread is a āpower houseā HQPlayer build, as I read it, with futture possibility to mograte on Linux with HQPlayer Embedded set up.
- MSI PRO line-up provides server grade stability for that matter with very reasonable memory controller and if needed OC opportunities. Importantly it lets to fully benefit from K/KS CPUās with noncompromise. And memory stability.
If the goal is an ultimate overclocking, well, there are other MB choices, in gamers or āenthusiastsā domain. For some of those linux will not use half of HW functionalities
I equally understend the sentiment about 14900KS being an āodd choiceā, in the world of overclockers this one is rather difficult to tame, to the point of going to deleading and direct die cooling.
For HQPlayer however and specifically for 2CH listening and more specific for server grade stability, this extra .2 margin that is provided by āKSā at stock brings sometimes required overhead for DSD@1024 playback that others can not give.
Nothing is wrong with overclocking, its just phenomenally time consuming and is dependend on a) CPU chip silicon lottery b) VRM silicon lottery and c) memory chips as such, getting stability is ājourneyā
We ended up going with a better MSI MB and my builder said he will overclock the 14900KS and the RTX 5090 within very stable limits.
We ended up going with the G Skill 48 (2x24) 7400 for stability and true latency. He added two SSD drives, one with Windows Pro and one with Linux. I should have the machine early next week so weāll see what it can do.
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Congrats on the new toy! 14900KS + 5090 is a top of the world config.
Thanks! Ideally Iād like to get it up and running with Linux/Ubuntu. Can anyone point me in the right direction to a step by step guide to installing everything and accessing it remotely? I realize Iām going to need a second license.
hollo
congrat
now all u need are prayers u do not prefer nos or pcm
Iāve been using HQPlayer for a while now with the DAC 200. I definitely prefer the DSD side.
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Not rly 
there is no top config for HQPlayer 
no CPU right now can do AMSDM7EC@DSD1024 ā¦ sinc-L@DSD1024 can be done only with AHM7EC8B.
And while AHM7EC8B measures fine with spring 3, it is awful noisy with DSC2. For some reason DSC2 sounds and measures better with non EC modulators.
Next week Iāll be testing LGA4677 with octa channel memory 