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[SUCCESS] Dell Precision T5500 - Quadro4000|Xeon X5680 (MacOS10.12.X)

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I've tried multiple times to try and boot my T5500 w/ 1050Ti with a High Sierra legacy boot stick, but it kernel panics regardless of which boot options I try (tried PCIRootUID=1, PCIRootUID=4, nv_disable=1 and nvda_drv=1) No matter which I choose, it kernel panics after spending 4 or 5 minutes booting. The KP dump goes by too fast too read, then immediately reboots.

Any suggestions? How can I prevent the immediate reboot after KP so I can read the output?
 
I've tried multiple times to try and boot my T5500 w/ 1050Ti with a High Sierra legacy boot stick, but it kernel panics regardless of which boot options I try (tried PCIRootUID=1, PCIRootUID=4, nv_disable=1 and nvda_drv=1) No matter which I choose, it kernel panics after spending 4 or 5 minutes booting. The KP dump goes by too fast too read, then immediately reboots.

Any suggestions? How can I prevent the immediate reboot after KP so I can read the output?
Dont use nvda_drv=1, it wont work bevore you installed the nvidia driver.

Boot with -v and see which error comes bevore it kernel panics and google for the error.
 
Hello!

first of all, thank you for writing up your guide, It has been a haven during my struggle of making my T5500 behave well.

QUESTION: do you have your video card in the PCI (upper) slot by any chance?

It seems my T5500 will comply best with the PCIRootUID=1 ....
although i'm still not sure if this is key to a successful install...
I think I have as much chance of succeeding with or without:
PCIRootUID=1 kext-dev-mode=1

I'm using an nvidia Titan X in pci slot n:2. Second from below.
it is a maxwell card so its very friendly to macos x
(these were the ones that were supported before the 1080 etc. Pascal series)

I am doing a High Sierra install with apfs ssd format...
(apfs: because you have to move on at some point anyway.)

only the audio does not seem to work at all.
I got the LAN to work once. :thumbup:
I have done many reInstalls because sometimes my EFI partition was unaccessible...

I would advise to unplug every USB device and use your installer USB in the
rear ports, as the front ports are connected through a flimsy cable, and feel
like they are more likely to cause problems.

I also noticed, which might help people with trouble installing on this T5500;
that the drive system switched back to RAID from RAID/AHCI at some point.

Also, do enable hyperthreading, and speedstep, and everything! (except from VT-d of course)
because I only had 12 threads to my disposal before I realised this.
afterwards, a glorious 24 threads.:headbang:

I use it for video editing. it is a bit faster than my i7 but i prefer Xeon stability
(the i7 on an asrock z97 board crashed on me a few times, also has no Ecc ram,
which ticks me off when converting big batches of video :beachball:)

anybody else golden tips for audio? :banghead:
is the appleHDAdisabler supposed to go in the EFI partition or S/L/E?
is the latest version of voodooHDA (2.9d10 instead of 2.8.8) also good?
i just want it to function!! i'm using a usb audio thing and my OCD doesnt
like that workaround ;)
 
I've tried multiple times to try and boot my T5500 w/ 1050Ti with a High Sierra legacy boot stick, but it kernel panics regardless of which boot options I try (tried PCIRootUID=1, PCIRootUID=4, nv_disable=1 and nvda_drv=1) No matter which I choose, it kernel panics after spending 4 or 5 minutes booting. The KP dump goes by too fast too read, then immediately reboots.

Any suggestions? How can I prevent the immediate reboot after KP so I can read the output?

dont do nvidia injection in the unibeast 8.0 installer
maybe change your USB stick - I can't explain why but that seems to do the trick sometimes.
nv_disable=1 and nvda_drv=0
 
High Sierra installed with no problem.
 

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Greetings partners.

I installed MacOS Sierra 10.12.0 and updated 10.12.6 without problems, but I feel that Sierra is slower than other OS. I like OS X 10.8.5, although I could only install it with a single processor, but it is really fast.
I would like to install Mavericks, but it has been impossible for me.

Dell Precision T7500 Workstation specifications:

- Two Intel Xeon processors X5675 3.07Ghz a glorious 24 threads
- 24GB DDR3 1333
- SSD SATA III SanDisk 520GB Extreme Pro on IO Crest SI-PEX40057 4 Port SATA III PCIe 2.0 x2 HyperDuo Raid (Marvell 88SE9230)
- nVidia GTX 680 4GB
- SONNET Gigabit Ethernet Adapter Presto Gigabit Pro PCIe
- Sound Card USB ASUS XONAR U7 MK II
- Inateck USB 3.0 4 Ports PCI-E

The only bad thing is that, sometimes, the shutdown is slow.

Installation method:
- Unibeast
- Multibeast with BIOS legacy and DSDT edited
- TRIM Support

For more details go to https://www.tonymacx86.com/threads/how-to-install-os-x-yosemite-using-clover.144426/

A million thanks to Tonymac and all the people who donated hours of disinterested work for the sake of collective knowledge.
 
Hello friends of the T5500,

I just wanted to share some info.
I have a 2x 2,66 6 core T5500,
which gives me a heartwarming 24threads.

I have also succeeded in installing the very latest High Sierra with legacy boot ,
NOT inject Nvidia because that wouldn't work.

as we speak, I have the thing kind of running:
the OP's kext for network, BCM5754
or the voodoo HDA audio (from multibeast)
didn't work... :-/

but what I would like to report is that through the
NVenabler64 kext:
https://www.osx86.net/files/file/1778-nvenabler64kext/

my QUADRO FX 4800 (!non- mac version!!)

works. (kinda-)

installed with kextwizard and repaired permissions on S/L/E

at least, a little bit: the graphics are still a little weird, so further testing needed.

and I get this system info:
Screen Shot 2018-01-11 at 03.30.57.png




just wanted to mention this, it is kind of a big progress for me :-D
but I dont think the Quadro fx4800 is worth the stress, i'm getting a GTX 480 soon...

I am all ears for an audio and nic solution, though...
 
a little update:

i figured out that having the BCM5754D.kext inside:

/System/Library/Extensions/IONetworkingFamily.kext/Contents/PlugIns/

makes it work!

and I edited the plist like suggested in the first OP post
from where you can also download the kext

edit: ALTHOUGH... the strangest thing: copying a 2GB file over network seems to break the network connection requiring a restart afterwards.. hmm :think:
 
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the audio chip is this:

ADI1984A

and it works with this specific edited AppleHDA.kext, attached
without the voodooHDA pref pane.
I can even get 24 bit 192KHz output! that's a great DAC.

Screen Shot 2018-01-11 at 23.33.28.png
 

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sweet. ran Geekbench 3.
the multicore is quite nice for a 200eur machine (I got 2 at 100 eur each, and threw the processors and ram together)

Screen Shot 2018-01-12 at 19.28.25.png



Single-core score 2316
multi-core score 24992

1453279557-0285330aad6bcafa317939f349a32f35.jpeg
 
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