Re: Dumb onboard vide question?

me@xxxxxxxxxxx wrote:
Questions

If buying a card with a dedicated video card FROM the
factory..... does that mean there does NOT exist any
onboard video period on the m-board?

IOW.... are the two motherboards different.... one have
onboard video and the other none.... or do ALL
motherboard have onboard video among all lines and they
just turn it off if dedicated card ordered?

No, there are different chipsets, some with video and
some without.

Built-in video tends to get used on microATX sized boards.
A board like that is 9.6"x9.6", tends to be lower priced,
and might be used in a business computer. By using
integrated video in the chipset, the motherboard
manufacturer hopes to reduce the cost of ownership
for the large business having the computer built.

There are exceptions to every rule, and I have seen
12"x9.6" full sized ATX boards with integrated video as well.

An integrated video chipset, can continue to have a
PCI Express x16 interface, so that a video card can be
plugged in. There are also some integrated video chipsets,
which don't have the PCI Express x16 or AGP interface present.

Some examples from my generation of motherboards.

875P - DDR, enthusiast chipset, AGP slot, no built-in video.
865PE - Same features, slightly lower price. (Lower overclock.)
865G - Same features, but with integrated video, and can use
AGP slot. If AGP card is plugged in, built-in is disabled.
865GV - "Graphics Value". Has integrated video, but no AGP slot.
Used in pre-built Dell/HP/Gateway computers, to surprise
and shock customers, who later discover they cannot upgrade
the video by buying a good video card.

http://www.intel.com/products/desktop/chipsets/index.htm?iid=chipsets_body+dt_all

Paul
.

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