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pastrychef's Asus ROG Strix Z370-G Gaming (WI-FI AC) build w/ i9-9900K + AMD 6600 XT

pastrychef

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Asus Z370-G Gaming (Wi-Fi AC)
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i9-9900K OC'd @ 5.0GHz
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RX 6600 XT
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Thanks. The Maximus X Hero is actually using a different chip for USB 3.1, the ASM2142 chip.

Anyhow, throughout all this frustration I found out the cable was bad which caused the USB2 speeds...
Fixed that, and now the SSD shows up at USB 3.0 speeds (5gb/sec) and running the disk speed test I get around 500 mb/sec read and write. Interestingly, plugging the same drive into a genuine 2017 MBP, it identifies as a USB 3.1 gen 2 device at 10gb/sec. The fun continues...

The ASM2142 and ASM1142 should also have native support in macOS.

I would not worry too much about System Information reporting that it's running at 5GB/s. Apparently System Information incorrectly reports this information.
Screen Shot 2018-05-31 at 4.21.53 PM.png
Source: http://www.sonnettech.com/product/allegro-usbc-pcie.html

If you are pushing 500MB/s, I suspect you are getting USB 3.1 gen 2 levels of performance. In the following article, they only managed approx 400MB/s on USB 3.1 gen 1.
https://www.everythingusb.com/speed.html
 
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The ASM2142 and ASM1142 should also have native support in macOS.

I would not worry too much about System Information reporting that it's running at 5GB/s. Apparently System Information incorrectly reports this information.
View attachment 333710
Source: http://www.sonnettech.com/product/allegro-usbc-pcie.html

If you are pushing 500MB/s, I suspect you are getting USB 3.1 gen 2 levels of performance. In the following article, they only managed approx 400MB/s on USB 3.1 gen 1.
https://www.everythingusb.com/speed.html

That's what I was thinking, but was waiting to re-run the same test on the MBP. There's an interesting long read in the comments section on Piker's old site regarding incorrect USB 3.1 reported speeds that somewhat tapers off without a resolution. Here's a link. https://pikeralpha.wordpress.com/2016/11/10/two-port-usb-3-1-gen-ii-pci-express-card/
 

pastrychef

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Asus Z370-G Gaming (Wi-Fi AC)
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RX 6600 XT
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That's what I was thinking, but was waiting to re-run the same test on the MBP. There's an interesting long read in the comments section on Piker's old site regarding incorrect USB 3.1 reported speeds that somewhat tapers off without a resolution. Here's a link. https://pikeralpha.wordpress.com/2016/11/10/two-port-usb-3-1-gen-ii-pci-express-card/

I didn't see anything regarding speeds tapering off... I just saw that Pike found the cause of the incorrect 5MB/s reporting. Unfortunately, disaster befell him and his family and he's no longer part of the community. Best wishes to him and his family.
 
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I didn't see anything regarding speeds tapering off... I just saw that Pike found the cause of the incorrect 5MB/s reporting. Unfortunately, disaster befell him and his family and he's no longer part of the community. Best wishes to him and his family.

Yes, sad story.. I meant the discussion tapered off.
 

Stork

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pastrychef, thank you for helping AndyC. I, unfortunately, got sick over the USA Memorial Day weekend (May 27) , and, now, with good meds, I am on the road to recovery.

I'm glad AndyC came to you for help because I have no USB 3 or 3.1 (Type A or Type-C) peripherals. I do have a OWC Type C, Gen 1, dock which works well when plugged in before boot up. But, I never checked the speeds.
 

pastrychef

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pastrychef, thank you for helping AndyC. I, unfortunately, got sick over the USA Memorial Day weekend (May 27) , and, now, with good meds, I am on the road to recovery.

I'm glad AndyC came to you for help because I have no USB 3 or 3.1 (Type A or Type-C) peripherals. I do have a OWC Type C, Gen 1, dock which works well when plugged in before boot up. But, I never checked the speeds.

Glad to hear you are better! Welcome back!
 

pastrychef

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Updated to macOS High Sierra 10.13.5 via App Store with no problems. You can update apfs.efi in /EFI/CLOVER/drivers64UEFI/ before or after the update.
Screen Shot 2018-06-01 at 3.59.03 PM.png

Edit:
Btw, my uptime marathon ended...
Screen Shot 2018-06-01 at 2.47.41 PM.png
 

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pastrychef

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For those of you with Vega video cards:
As I'm sure you already know, the fans on the Vega video cards run higher than they should in macOS. Fortunately, okasit revealed that we can edit the power tables and fix this. The relevant info starts around page 6 of this thread:
https://www.insanelymac.com/forum/topic/325120-vega-frontier-edition-on-high-sierra/?page=6

I installed the Vega 56 kext made by wyhtc and it has been working great. Not only has it quieted the Vega fan when idle (it still gets very loud under load), it has also improved performance significantly for me (compare with my results on post #1).

Screen Shot 2018-06-02 at 6.16.00 AM.png Screen Shot 2018-06-02 at 6.20.03 AM.png Screen Shot 2018-06-02 at 5.36.54 AM.png Screen Shot 2018-06-04 at 9.09.42 AM.png Screen Shot 2018-06-05 at 8.37.40 AM.pngScreen Shot 2018-06-05 at 8.36.01 AM.png

*Note: Since the FakeSMC Sensors don't give any readings for Vega cards, we can use Terminal to monitor temps and fan speeds:
Code:
ioreg -l |grep \"PerformanceStatistics\" | cut -d '{' -f 2 | tr '|' ',' | tr -d '}' | tr ',' '\n'|grep 'Temp\|Fan'


Btw, I also replaced my old Samsung SM951 AHCI SSD with a Samsung 970 EVO NVMe SSD.
Screen Shot 2018-06-01 at 7.02.26 PM.png
 
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Is there a Vega64.kext or should i just use the Vega56 ?
Maybe it helps my FCP-problems...
 

pastrychef

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Is there a Vega64.kext or should i just use the Vega56 ?
Maybe it helps my FCP-problems...

Check the linked thread. There are versions of the kext pre-made for Vega 64 too.
 
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