MAC PRO MULTI SCREEN OFF ROAD...
Bus (20 gHz bandwidth) is a MacPro Thunderbold2 (end 2013) combined with AMD over-pants 300, allow the connection of 2 screens UWQHD at 60 Hz?
(A) knowing a MacPro announced limitation:
Use multiple screens with your Mac Pro (end 2013) - Apple Support
(B) successful personally tested the following configuration:
"Connection to a 34" UWQHD (3440 * 1440) display as a secondary screen on Imac27 ' Thunderbold (mid2011) port using a mini Display Port to Display Port cable.
This configuration bridges for the limitation of the AMD Radeon of 512 MB of the Imac27 (mid2011).
However, he has worked to keep a refresh rate of 60 Hz.
(C) does anyone at - he tried to connect 2 * 34 "UWQHD (3440 * 1440) poster on the Bus Thunderbold 3 1 (ex: TB1 and TB2 ports) using a mini Display Port to Display Port (or native TB cable if TB screen like LG)?
And this configuration works at 60 Hz?
Final goal is to connect 6 UWQHD 34 "screen on a Mac Pro at 60 Hz.
Thanks for your comments.
I could now test the following configuration:
2 screens on bus 1 to on the Mac Pro:
Eizo ev2750 1 (2540 * 1440) on the TB0 port using an miniDP/DP cable
+
1 LG34UC88 (model LG with no port of TB) in 3440 * 1440 on TB1 port using an miniDP/DP cable
Both work at 60 Hz non-interlaced.
I believes that this positive answer my own question here above even if it wasn't 2 * 34 "UWQHD (it is always above the spec announce Apple).
However, I have 3 questions to void it please:
Q1: Anyone know if the AMD over-pants 300 since the Mac Pro supports the technology 'free' for the synchronization of AMD.
AMD sent me to Apple because it seems Apple develop its own driver AMD cards used in Mac.
(no answer until now...)
Can Q2: Someone please explain what benefit we can get using a screen offering a port TB compared to a screen offering a port DP (the two being connected on a TB on a Mac port)
It seems that we will get no graphical difference, but that the native CT will wake up faster than the RFP and offer chaining (for connecting a USB key or on the screen a light on the Mac).
No confirmation will be welcome, thank you.
Q3: Is it possible to change the TB on a Mac Pro parameter to tell the machine than on a TB specific port (ex: TB1) cable (and thus the signal) is DP.
This would shorten the time to a screen using DP cable on port of TB of awakening. Thanks again.
Best regards
Michel0008
Tags: Mac
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