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[Guide] Xiaomi Mi Notebook Pro High Sierra 10.13.6

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@owenlars I have some good news, I swapped my SSD to slot 2 in preparation for the wifi module (didn't want to buy 4 extender cables) and ran some speed tests. In Windows 10 and macOS, the drive performed identical. So I have the adapter, module, (shorter) cables coming so hopefully I'll be up and running with wifi by the end of the month :) Thank you for your guide and help!
 
kingfoot said:
@owenlars I have some good news, I swapped my SSD to slot 2 in preparation for the wifi module (didn't want to buy 4 extender cables) and ran some speed tests. In Windows 10 and macOS, the drive performed identical. So I have the adapter, module, (shorter) cables coming so hopefully I'll be up and running with wifi by the end of the month :) Thank you for your guide and help!
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@kingfoot Hi! Good news! Have you test read and write speeds then? How many mb/s? Or you just tried general performance? Thank you.
 
Second build
Z370 HD3P |  i7 8700K |  RX 580 Armor
RehabMan said:
As per CPU PM guide, hibernation should be disabled:
https://www.tonymacx86.com/threads/guide-native-power-management-for-laptops.175801/
Click to expand...

I’m pretty sure I disabled it, anyway reading that thread I found out that updates can re-enable it. maybe it was that or maybe I forgot that after a reinstall. I was thinking about the update because I never had that problem in 3 weeks and suddenly after 1 week from the update it happened. Thanks a lot for your hint though!
 
CustoMac
PRIME Z270-A |  i7 7700K |  Radeon R9 280x
alexmenn said:
@kingfoot @owenlars I'm afraid to say that the 2nd M2 SSD slot is x2 lane only.
http://en.miui.com/thread-1455088-1-1.html
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This is what I thought, although I was never completely sure. There seems to be conflicting information online. Some people say 2x and some say 4x. I played it safe and kept my SSD in slot 1. I think I saw one YouTube video where they suggested that slot 2 was being slowed down by a bug in the BIOS which gave 2x performance, and you could unlock full 4x performance if you update the BIOS to the latest version. I don't know how true that is, haven't tried.
 
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Desktop
GA-Z87X-UD4H |  i7 4770K |  HD 4600
owenlars said:
This is what I thought, although I was never completely sure. There seems to be conflicting information online. Some people say 2x and some say 4x. I played it safe and kept my SSD in slot 1. I think I saw one YouTube video where they suggested that slot 2 was being slowed down by a bug in the BIOS which gave 2x performance, and you could unlock full 4x performance if you update the BIOS to the latest version. I don't know how true that is, haven't tried.
Click to expand...
Yeah, but the bios update fixes the 1st SSD port, the second one seems to be x2.
 
Second build
Z370 HD3P |  i7 8700K |  RX 580 Armor
owenlars said:
This is what I thought, although I was never completely sure. There seems to be conflicting information online. Some people say 2x and some say 4x. I played it safe and kept my SSD in slot 1. I think I saw one YouTube video where they suggested that slot 2 was being slowed down by a bug in the BIOS which gave 2x performance, and you could unlock full 4x performance if you update the BIOS to the latest version. I don't know how true that is, haven't tried.
Click to expand...

I'm on bios 502. I was using crystal disk, forget the numbers right now but I wasn't really comparing to the disk's rated speed, I was comparing between the OSs and slots. I did a Win10 and macOS 10.13.4 speed test in slot 1/2 and they came out nearly identical in all 4 tests, at a speed I was happy with. So even if slot 2 was only 2x, I don't see it being any significant bottleneck.

Edit: I was using CrystalDiskMark on Windows and BlackMagic Disk Speed on macOS.
 
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