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HP Z620 installed but SLOW and unusable from Login onwards.

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System HP Z620
BIOS - BIOS Version/Date Hewlett-Packard J61 v03.18, 01/07/2013 (AMI I think)
2 X Processor Intel(R) Xeon(R) CPU E5-2643 0 @ 3.30GHz, 3301 Mhz, 4 Core(s), 8 Logical Processor(s)
8 x 2GB Memory 16GB DDR3-1600
Graphics - NVIDIA K600 Quadro
HDrive - Model ATA WDC WD5000HHTZ-6 SCSI Disk Device (500GB) Set to AHCI.

Usually story new to this so please be gentle..So followed Maverick guide to the letter, all went smooth with exception of boot flag npci=0x3000. Installed OS and restarted again smooth to setup screen but then thing slowed considerably. Managed to get through install, restart fast back to login screen. Next onto Multibeast.. no joy.. see below..
At login screen keystrokes started to be unusably slow, once desktop arrives some functions are sort of usable but then system grinds to a halt, logs out with other random happenings.
So shutdown and boot safe, system straight through to login and then into system no errors, very fast with everything available.

On reading 100s of posts have tried many flags, dart=0 etc still with no sucess. Have seen a thread re Z820 and V2 processors/mach_kernel but my specs do not seem to match. System is fantastic in safe but would really appreciate any help someone may be able to give, as feel its something small holding me back. Cheers J
 
UPDATE,, So now tried ML install using unibeast with near perfect results.. No slowness and little troubleshooting.. Downloaded Maverick again as precaustion. tried again but with same results. SLOW after install but on from login onwards.

Another question to the forum is rather than vanilla maverick install can i upgrade from ML .??

Cheers J
 
Latest, for those that care..

ML installed using unibeast, Upgraded ML to Maverick but found system hung on white screen with mouse pointer top left. Tried usual boot switches, still no sucess. Then stubled across the following thread.

http://forum.netkas.org/index.php/topic,8130.105.html

Entered nv_disable=1 at boot with npci=0x3000 and hey presto were in.. No slowness, Z620 running as a MAC 3.1 Dual Xeon 3.30GHz.

Just last few pieces to work out Audio, fine tune graphics and think im done.. More luck than judgement but happy with my achievement anyway. :)
 
Chimera wiki says that 'nv_disable=1' disables qe/ci of nvidia graphics card. so is qe/ci of your system working?

I made my system with 2 x e5 xeon, supermicro x9dai, ati 5770 and installed mavericks 10.9.2 but.... couldn't get gui screen.

I hope get gui screen with nv_disable option..
 
hi Freddy,
I have HP Z620 and lookig for some help how to install Mac OSx 10..8.2 on it. Can you post some links on how to do it or post some instructions if you have done it already..
Thanks.
 
hi guys....need your help !!!
really difficult to make a MacOS work under Z620...... :(
 
HP Z620 dual E5-2680 with Quadro K2000
 

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Hi in this thread too...
sorry for double posting , but really need your experience here

i have z620
dual e5-2690 v1
gtx 750 ti
16gb ddr3 100mhz ecc
ssd toshiba ocz tr150 480gb
wifi tp link pci TL-WN851ND

can you write your installation steps and what was used?
BIG THANKS

P.S.
let`s face it - I'm a noob in hacks, a detailed guide is a preference.
Right now trying to load pre-made osx el cap 10.11.6 + clover usb from another user .
stuck on Hang on [ PCI configuration begin ]
restart loop begins or nothing
use "npci=0x3000"
 
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