Thunderbolt Technology: The Fastest Data Connection to Your PC Just Arrived
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February 24, 2011, 08:48 AM
HardwareCanuck Review Editor
Join Date: Feb 2007
Originally Posted by
With today's announcement of the new line of Macbooks comes something far more interesting: Thunderbolt. Specifically a new connect with up to 10Gbps speeds
that is compatible with existing displayport devices
Read more here:
The technology uses both displayport and pci-express protocols - meaning most likely that we will be seeing PCI-express (more likely 8x, but maybe 16x) add-on cards to allow any system to add this connection type.
Now, my question? Will it be compatible with the Displayport connections on current-generation graphics cards?
1) The Thunderbolt controller connects to the PCH via a 4x PCI-E interface which means 8x / 16x add in cards would be pointless.
2) No. Thunderbolt requires a signal to be sent from origin controller to destination controller. That means if a graphics card doesn't have a TB licensed chip, it will not be compatible with TB products.
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