Sounds plausible
Quite possibly a stupid question: is the hardware a vanilla RPI B+?
Another question/comment: Roon and/or people in the apparent-know say that an i5 or i7 chip is necessary for Roonâs intensive operation. Howâs the performance on your system. Using much DSP or multiple zones?
Nah â ROCK needs X86 architecture. This one was running in VBOX on a Quad i7 MacBook. Iâve got another ROCK VM in Qemu on Synology,
All spielerei though â both run slower than desirable. Although the Roon SPK package runs OK on the NASâs Celeron n3345, even with my measly collection of 30K tracks it is way zippier on my day to day core (NUC7i5).
Of course. I saw the DietPi logo and made a (poor) leap of logic.
Your collection is indeed measly, whereas my 34K library is ginormous. 
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Asking for a bit of recycling advice - I had ROCK running on a NUC D54250WYK but it has now failed.
Are any of the parts usable in a new NUC or do i have to buy everything again? Iâm looking at getting an i3 or i5 as my Library isnât enormous and i donât do DSD or a lot of parametric work.
Disk is a Kingston mS200 120GB SSDNow mSATA Internal Solid State Drive/SSD (which i think I can reuse?)
How about
2 x Crucial CT102464BF160B 8GB DDR3 RAM - PC3-12800 Unbuffered NON-ECC 1.35V (16GB Total)
1 x Intel Dual Band Wireless- AC 7260 Network Adaptor
It was in a Tranquil PC - Abel H2 Chassis (Fanless) but i presume a new NUC board wouldnât fit in that,
any help appreciated
Ged
Beware, the newer, smaller NUCs might not have room for SSD, only M.2. The newer, higher NUCs have the room, but are more of an eyesore.
Pretty sure all of the new NUCs use DDR4.
Donât know what this is, but NUCs generally have WiFi built in.
I can only speak to hardware issues, I donât use ROCK software.
If you get on Amazon and browse the various models, you can ascertain what is needed.
The latest and greatest -
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Thanks Slim, Iâvee since had a look and indeed it is Freecycle for the parts.
I might replace the NUC or I might just leave it on my desktop as it is an i7 and not exactly stressed by my occasional web browsing!
If you donât do any convolution (room correction) and donât serve several zones simultaneously, the following will probably do. I have one of these in operation as a Roon Server and have had no issues with it. The heaviest load I have thrown at it is DSD256 to DSD128 native conversion, which is does at 1.2x real-time. So this is not your recommended workload.
NUC7PJYH (Pentium J5005, 4x1.6GHz max 2.8GHz)
1x Kingston KVR24S17S6/4
your existing 2.5" SSD should fit
The Pentium NUC does NOT run ROCK. You need to use dietpi. Roon Server autoupdates, so that is not really an issue.
If you want to go ROCK, this would be fully compliant:
NUC7I5BNK (Core i5-7260U, 2x2.2GHz max 3.4GHz)
WDS120G2G0B
1x Kingston KVR24S17S6/4
Or the version in the higher case, if you want to reuse your SSD
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Thanks very much that is very helpful.
You can look for older NUCs that are still supported. I use the gen 5i5 board that is still supported both by Intel and Roon. It was the last generation to support DDR3. I use one and use DSP to 2 x DSD rates which it does quite happily. It is a long term support item so should still be out there. And of course it wonât be MOCK any more!
I presume you have confirmed it is the board that has failed though, and not the M2 or memory.
Just ran ROCK up on an old fanless intel D510MO link
Its a tad slow to boot up even with an SSD compared to a current gen NUC but I am only using it as a Roon Bridge with 4 USB DACâs on it and powered up with my new HDPlex 200W Linear Supply link and LAN connected via 2 x FMC @ 1Gbps link
The nicest thing is that there is no HDMI and Audio is disabled on the mobo so there is only 4 devices (4 USB DACâs) showing in the Audio options for the system.
top down is as follows
MOCK Bridge
Emotiva DC-1 DAC #1 with FMC 1 of 2 beside
Vinshine R2R DAC #2
NUC 7i7BNH fanless Akasa Plato X
OPPO Sonica DAC #3
Emotiva XMC-1 #4
LMPS not shown but this powered the NUC 19V, the MOCK 12V and 2 x 9V for the FMCâs
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I know this is probably a silly question but what do all of those do?
Well I like to A/B DACâs to see how they sound and I do this via a nifty little M3 switch box (fully balanced) from Coleman Audio thats passive and have volume control and headphone out too if I power it up. I can switch out to 3 different rigs too 
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I have to ask why? Just be happy with what you have.
Iâm happy with optionsâŠbut I just had a bit of a disaster with plugging in my Coleman to a USA plug converter and plated the switch with 240v up the earth which has taken out the balanced output stages of 3 DACsâŠouch expensive night. Iâll update the image comments later ⊠but the chip with the ruler is dead on 2 DACs at least - oddly the same chip type in both the Oppo and the Vinshine.
[Expletive deleted]. Iâm pleased no one was hurt ! Was the converter faulty ? Did you have a residual current device (safety switch) on it ?
All home here have ELCBâs but it took out the 20A circuit breaker too. The problem was the earth hit the Live and basically sent 240V up the into the chassis and as the only ground connections were all through the balanced cables it just went that wayâŠarcing over the small tracks onto the signals when it melted the tracksâŠwont do that againâŠfortunately I repair gear so ordered some of the output buffer opamps at ~US$4 each for the Vinshineâs Soekris DAM1021 and the OPPO that use the same chips. the Emotiva might have toasted the relaysâŠnot sure yet but the RCA outputs are ok on both the Emotiva and the OPPO at this point.
At least no one got hurt.
Was having a look to see what other threads there were about this, but I couldnât find much. I just tried throwing rock onto an old thin client we had knocking about. Itâs based on an AMD 64bit dual core, has 8gb of ram and an internal SSD.
ROCK went straight on, no driver issues, and has been green lit since.
Fanless, with no rotational drives, an old thin client makes a perfect ROON core. Assuming that updates donât break compatibility.
This wee HP T620 even has dual SSD slots internally, one MSATA and one M.2. So I can boot the OS from one and use another for the music storage.
Thereâs a whole thread devoted to MOCK devicesâŠ
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