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[Guide 2018] Z820 - HIGH SIERRA, The great guide (Sucess)


bilbo
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Wonderful post,

 

Having been follow this thread for some time,  successfully running my Z820 with Dual 2650V2

follow instructions on page 1 with bios setting (running bios 3.91)

install from 10.11

 

Currently upgrade to 10.12.6 using clover version 5122 without any issue

Originally my display card was NVIDIA GTX760 (plug n play ready)

Recently obtain a second hand MSI RX570 Armor OC 4G with a good price

 

See below GPU Z screen capture in Win 10

 

gpuz.gif.fd76f657d04be59b73ac03820a359a99.gif

 

https://www.msi.com/Graphics-Card/radeon-rx-570-armor-4g-oc.html

 

Using latest version of Whatevergreen and Lilu Kext still unable to boot and freeze at here:-

 

boot.thumb.jpg.81777467706e76df7ea8c0999555f36e.jpg

 

 

Using Clover Version 5122 Can recognize the card

 

5122.thumb.jpg.4688beb89f22782e47295713ebe8b19d.jpg

 

377959098_clovervideocardbootoption.thumb.jpg.0caa828ecb1cfa8419fe7b5432773905.jpg

 

I also attached a link to my EFI folder for analysis :

 

EFI

 

Asking for installation / updating  procedures  in clover and hopefully experts around here can help me out

Really getting desperate   :wallbash:

 

Regards

Bosica

 

Edited by bosica
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@bosica

 

Hi.

 

If you just changed the gpu a deletion of the kext- and kernelcache might be helpful.

F11 at the clover boot screen might also be necessary (to clear the nvram).

Just to add to that - you might have to use the clover version bilbo used to install High Sierra.
I myself got an Rx 580 Graphics card and it works out of the box.

Edited by amadeusex
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On 11/30/2020 at 1:05 AM, amadeusex said:

@bosica

 

Hi.

 

If you just changed the gpu a deletion of the kext- and kernelcache might be helpful.

F11 at the clover boot screen might also be necessary (to clear the nvram).

Just to add to that - you might have to use the clover version bilbo used to install High Sierra.
I myself got an Rx 580 Graphics card and it works out of the box.

 

 

Thx  i   see   what   i   can   do

Edited by bosica
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  • 2 months later...
On 2/24/2021 at 5:43 AM, kishine said:

Hi guys, 

 

Were you able to use the extra pcie that is only available when a 2nd cpu exist?

 

thanks

 

Sorry. No idea. I have two cpus. HP has specifical forums. Have you tried to ask there?

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  • 2 months later...
Posted (edited)

 Hi there,

 

finally, I also managed to install Big Sur 11.0.1 and 11.3.1 (after upgrade via terminal) on my z820 with clover r5133 and bios HP z820 version 3.90. Thank you antonio.clb  and amadeusex  very much for your great pioneering work! 

 

I followed the rules from amadeusex !

 

BS.png.8495c3b06ec95e532b5394e1c88938ef.png

 

In the beginning I had SAS working but no audio. After a kext rebuild now I have audio but no SAS anymore ...

The connection to the apple appstore was also not possible, because of wrong network device names en2 and en3 ....

 

And of course USB 3.0 is not working, but it is there in the PCI list (like in Catalina, where it was working). The ports are dead ...

 

PCI.thumb.png.d114781c29e59349399bc562064b63ed.png

 

SAS seems to come up for sec. but ends with an empty system report. Have no idea why ...

 

SAS.thumb.png.c22f27fb71bd68b1be272ca60cf91f39.png

 

I attached the EFI folder for those interested.

 

 

 

EFI_BigSur.zip

Edited by Harry Hard
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Hello to everybody!

Long time without updates: I'm a really happy MBP M1 user since a couple of months an "The Beast" is sleeping... ^__^

Anyway, I've just updated to the latest Big Sur without any issue again, here's a screenshot:

 

immagine.thumb.png.03d3275dffb89ff89fad074eab04d881.png

 

As usual, you can see my specs (a little outdated OC still performing perfectly) in my signature.

 

Have fun!

AC

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  • 3 months later...

Just to two say hi to everyone here. I have been very happy with my HP Z820 running Big Sur 11.5.2. Thanks for bilbo's guide and all the tips learned from here. Everything works great, except on-board USB3 (replaced with a $12 PCI-e card, with VIA LAB chip).

 

 

Screen Shot 2021-09-09 at 11.13.17 PM.png

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