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The system will then boot from the graphics card identified first by the PCI Bus.
82
Advanced Users
13.5 Installing Additional
XtremeVision-Pro
Cards
As the number of required screens increase, the likelihood of reaching a system limitation or encountering problems increases
The system limitations are the amount of address space` available and the capacity of the power supply.
13.5.1 Power
The amount of current a power supply can deliver on each voltage rail is limited. Often there is also a limit on the total power.
Each
XtremeVision-Pro
card requires 0.25A at +3.3V and 1.2A at +12V.
You can calculate the amount of current and the amount of power required for the
XtremeVision-Pro
cards. For example, the
requirements for a 24-screen system of
XtremeVision-Pro
cards is calculated as follows:
Current
+3.3V 6 x 0.25A = 1.5A
+12V 6 x 1.2A = 7.2A
Power
( 3.3V x 1.5A ) + ( 12V x 7.2A ) = 91.35W
These are the requirements for the
XtremeVision-Pro
cards; you must take into account the requirements of all the other devices
in the s
ystem.
13.5.2
XtremeVision-Pro
Jumper Links
Multiple
XtremeVision-Pro
cards may have had jumper links fitted, when fitted the links control the order in which the display
driver
uses the
XtremeVision-Pro
therefore any additional cards need to have their jumper links set accordingly. Details on how the
jumper links are set can be found in the
XtremeVision-Pro
. If a damaged card is being replaced, the new card must have the same
jumper settings as the damage one coming out of the system.
13.5.3 Installing the Display Drivers
If any graphics cards are added (or removed) from the system the Display Drivers need to be re-installed from the Recovery
Media that came with your system or by downloading the latest drivers from the
EMS
website.
13.5.4 Screen Order
Any additional graphics cards will change the way the screens on your video wall are ordered. The
Vigi
Control application has
a screen order tool which can be used to configure which order the screens appear on the desktop. This allows the screen order
to be changed without physically swapping any of the output cables between graphics cards.
Advanced Users