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System Configuration Issues for Multiple-Monitor
Support
If the BIOS on your computer does not let you select which device
should be the primary VGA display, it decides based on the order of
the PCI slots in the machine; AGP slots on most systems have a
lower priority than PCI slots. You should, therefore, install the primary
adapter in the highest-priority PCI slot. Because many systems
do not list the slot priority in their documentation, you might
need to experiment by switching the cards around between different
PCI expansion slots.
After the hardware is in place, you can configure the display for
each monitor from the Display Control Panel’s Settings page. The
primary display is always fixed in the upper-left corner of the virtual
desktop, but you can move the secondary displays to view any
area of the desktop you want. You also can set the screen resolution
and color depth for each display individually.
Video Card and Chipset Makers
Model Reference
3-D Chipsets
As with standard 2-D video adapters, several manufacturers of popular
3-D video chipsets exist and many more manufacturers of
video adapters that use them exist.
Note
Chapter 10—Video and Audio
See Chapter 15 of Upgrading and Repairing PCs, 12th Edition, for
an exhaustive listing of current 3-D chipsets and the boards on
which they are found.
Multimedia Devices
When choosing TV, video-out, or video capture options for your
PC, use Table 10.23 to help you decide which solution is best for
you.
Table 10.23 Multimedia Device Comparison
Device Type Pros Cons
Graphics card w/ Convenience, single-slot Upgrading requires card
built-in TV tuner solution. replacement.
TV-tuner Allows upgrade to existing Can’t be used with all
attachment graphics cards; might be
movable to newer models.
graphics cards.