Datapath Image4, User Manual

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Installing the Display Drivers
Once the Image4 card has been installed and the boot messages are appearing on the correct monitor,
you can start Windows.
Log on as a user with administrative access rights.
The Found New Hardware Wizard will announce that new hardware has been found.
Do not use the Found New Hardware Wizard to install the Image4 drivers.
Install the display drivers from the Software Installation Suite CD supplied with the Image4 card. The dis-
play drivers are required to be installed in Safe Mode.
Ifyourfinalconfigurationhaslessthanfourscreensselectthenumberofscreensrequired,otherwise
select four screens.
Restart the machine.
When Windows starts up, the desktop should be spread over all the screens connected to the Image4.
Installing the Additional Image4 Cards
As the number of required screens increase, the likelihood of reaching a system limitation or encountering
a problem increases. The system limitations are the amount of address space available and the capacity of
the power supply.
Please consult Datapath support if you have any problems installing multiple cards.
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 Image4 card requires 0.25A at +3.3V and 1.7A at +12V.
You can calculate the amount of current and the amount of power required for the Image4 cards. For ex-
ample,therequirementsfora24-screensystemofImage4cardsiscalculatedasfollows:
Current
+3.3V 6 x 0.25A = 1.5A
+12V 6 x 1.7A = 10.2A
Power
( 3.3V x 1.5A ) + ( 12V x 10.2A ) = 127.35W
These are the requirements for the Image4 cards; you must take into account the requirements of all the
other devices in the system.