Further Isolation of the Silverstone PCIe

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XXHighEnd > Ultimate Audio Playback > Playback Tweaks and Source related subjects > Further Isolation of the Silverstone PCIe - USB Card

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	Author	Topic: Further Isolation of the Silverstone PCIe - USB Card (Read 97652 times)
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acg

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Re: Further Isolation of the Silverstone PCIe - USB Card

« Reply #75 on: February 03, 2014, 11:39:43 pm »

So last night I re-soldered the wires in the loom for the ground pins on the x1 lane (A12, A15, A18, B13, B16, B18). This has _completely_ solved my "fluoro light" issue. So now my loom is delivering linear power directly to the Silverstone card but the x1 data lanes and grounds are all in tact.

I will listen to this setup for a while and then play with isolating the NOS1 USB with its black wire again.

See below for the current PCIe pinout for the loom.

Cheers,

Anthony

Silverstone PCIe Pinout #4.png (76.24 KB, 592x926 - viewed 1404 times.) Silverstone PCIe Pins4.pdf (917.9 KB - downloaded 620 times.)
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Audio PC
Stealth Mach II with Xeon E5 2698 v4 20 Core 2GHz with Hyperthreading On [40 cores]/ 32GB Ram / RAM-OS / mobo USB port

XXHighEnd 2.11 RAM-OS (W14393 RAM)
Engine#4 Adaptive Mode / Buffer 4096 / Q1/3/4/5 = 14/1/1/1 / xQ1 = 1 / Processor Core Appointment Scheme = Core 1-3 / PlayerPrio = Low / ThreadPrio = RealTime / ClockRes = 1ms / Not Switch during playback = off / Xtweaks Balanced Load = 43 / Nervous Rate = 100 / Cool when idle = 1 / Provide stable power = 0 / Utilize cores always = 1 / Time Stability = Stable / Time Performance Index = Optimal / SFS 0.90MB Max 120MB / Straight Contiguous / Include Garbage Collect = on / Start Playback during conversion = off / Do not start playback at all = off / Copy to XX-drive by standard = on / Always clear Proxy before Playback = on / Stop Remaining Desktop Services = on / Stop Desktop Services = on / Stop Remaining Services = on / Stop WASAPI Services = on / Stop W10 Services = off / Keep LAN Services = on / Persist = off / Use Remote Desktop = on/ Arc Predict / Minimize OS = on / Peak Extend = off / Unattended

Audio Chain
Stealth MachII PC >> Lush^2 USB 1.1m >> NOS1a G3 B75, Driver v1.0.4 (4ms) >> Blaxius^2 >> 10Y DHT Preamp >> 6 way active horn speakers (Single Ended Triodes)

PeterSt

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Re: Further Isolation of the Silverstone PCIe - USB Card

« Reply #76 on: February 04, 2014, 10:37:25 am »

Bert, I moved your post to here : Re: XX Further Isolation of the Silverstone PCIe - USB Card.

Peter


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For the Stealth III LPS PC :
W10-14393.0 - July 17, 2021 (2.11)
XXHighEnd Mach III Stealth LPS PC -> Xeon Scalable 14/28 core with Hyperthreading On (set to 14/28 cores in BIOS and set to 10/20 cores via Boot Menu) @~660MHz, 48GB, Windows 10 Pro 64 bit build 14393.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 14/-/0/0/*1*/ Q1Factor = *4* / Dev.Buffer = 4096 / ClockRes = *10ms* / Memory = Straight Contiguous / Include Garbage Collect / SFS = *10.13* (max 10.13) / not Invert / Phase Alignment Off / Playerprio = Low / ThreadPrio = Realtime / Scheme = Core 3-5 / Not Switch Processors during Playback = Off/ Playback Drive none (see OS from RAM) / UnAttended (Just Start) / Always Copy to XX Drive (see OS from RAM) / Stop Desktop, Remaining, WASAPI and W10 services / Use Remote Desktop / Keep LAN - Not Persist / WallPaper On / OSD Off (!) / Running Time Off / Minimize OS / XTweaks : Balanced Load = *62* / Nervous Rate = *1* / Cool when Idle = n.a / Provide Stable Power = 1 / Utilize Cores always = 1 / Time Performance Index = Optimal / Time Stability = Stable / Custom Filtering *Low* (16x) / Always Clear Proxy before Playback = On -> USB3 from MoBo -> Lush^3
A: W-Y-R-G, B: *W-G* USB 1m00 -> Phisolator 24/768 Phasure NOS1a/G3 75B (BNC Out) async USB DAC, Driver v1.0.4b (16ms) -> B'ASS Current Amplifier -> Blaxius*^2.5* A:B-G, B:B-G Interlink -> Orelo MKII Active Open Baffle Horn Speakers. ET^2 Ethernet from Mach III to Music Server PC (RDC Control).
Removed Switching Supplies from everywhere (also from the PC).

For a general PC :
W10-10586.0 - May 2016 (2.05+)
*XXHighEnd PC -> I7 3930k with Hyperthreading On (12 cores)* @~500MHz, 16GB, Windows 10 Pro 64 bit build 10586.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 14/-/1/1/1 / Q1Factor = 1 / Dev.Buffer = 4096 / ClockRes = 1ms / Memory = Straight Contiguous / Include Garbage Collect / SFS = 0.10 (max 60) / not Invert / Phase Alignment Off / Playerprio = Low / ThreadPrio = Realtime / Scheme = Core 3-5 / Not Switch Processors during Playback = Off/ Playback Drive none (see OS from RAM) / UnAttended (Just Start) / Always Copy to XX Drive (see OS from RAM) / All Services Off / Keep LAN - Not Persist / WallPaper On / OSD On / Running Time Off / Minimize OS / XTweaks : Balanced Load = *43* / Nervous Rate = 1 / Cool when Idle = 1 / Provide Stable Power = 1 / Utilize Cores always = 1 / Time Performance Index = *Optimal* / Time Stability = *Stable* / Custom Filter *Low* 705600 / -> USB3 *from MoBo* -> Clairixa USB 15cm -> Intona Isolator -> Clairixa USB 1m80 -> 24/768 Phasure NOS1a 75B (BNC Out) async USB DAC, Driver v1.0.4b (4ms) -> Blaxius BNC interlink *-> B'ASS Current Amplifier /w Level4 -> Blaxius Interlink* -> Orelo MKII Active Open Baffle Horn Speakers.
Removed Switching Supplies from everywhere.

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acg

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Re: Further Isolation of the Silverstone PCIe - USB Card

« Reply #77 on: February 05, 2014, 04:43:07 am »

I have now listened to the latest incarnation of the loom for about two days now. To verify my findings I recenty removed the loom and ran the isolated Silverstone and NOS1 as so that I could hear the "reference" again. All that I can say is that sound is well ahead when the loom is in place. If I had to hazard a guess, I would say that the sound since I re-connected the grounds on the x1 lane is better than when they were disconnected. Happy days.

It seems as though feeding cleaner power directly to the Silverstone card helps the sound. Changes to the grounding arrangement of the card do not seem important from a sq perspective (apart from perhaps the faceplate isolation from pc chassis ground) so perhaps the improvement is as simple as providing cleaner power to the crystal on the Silverstone. The only other item on that card that may be affected is the USB Host Controller IC.

Anthony


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CoenP

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Re: Further Isolation of the Silverstone PCIe - USB Card

« Reply #78 on: February 05, 2014, 08:54:26 am »

Hi Anthony,

Glad this worked out great. As a bonus your setup is a lot safer too!

You made me curious: today I wil have an adapter on e-order as local stores cannot supply.

regards, Coen


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Settings: Qn: , SFS: , timeres: XT tweaks: , buf: 4096, driver: 8 ms,

Audio PC (jan 19): XXHE PC v1 with RAMdisk w.o. videocard and 1 of 2 cpu fans + BRIX/USB3 storage musicserver. ETN to Fibre converters (linear supplies), 500m SFP modules & 5m OM4 cable. Power cable PE not connected, together with nos1 and poweramp in separate "audio" powerstrip.

Clarixa set + Intona (or Lush 1m), Phasure NOS1a-75B G3 USB (buf 16 ms)-> Blaxius ->SE EL95 (0,8W triode) + cheap link to Abaqus 300W plateamps> Bastanis cable-> Bastanis Sagarmatha Duo ("DIY").

[other sources: TD124/3009SII-i/Grace F9/lounge LCR phono; Rega Planet 1997 vintage]

acg

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Re: Further Isolation of the Silverstone PCIe - USB Card

« Reply #79 on: February 05, 2014, 10:13:02 am »

That's great Coen. It will be good to get another opinion on this. Peter nudge, nudge, wink, wink.

I will leave the loom in place for a while now and investigate windows 7.

Regards,

Anthony


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