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Video memory i have a via tech computer model:VT8601.it has a intergrated graphic card.can i increase its video memory by contributing some of ram or hard disk space.i am not able to buy a video card because some on told me that it will affect my computer's performance.if any sof ware is present on net which is downloadable please tell me. my email:sunny_grewalz@yahoo.co.in

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1) On board video devices often use main system RAM,
by remapping it into their own address space.

This is designed to be CHEAP not GOOD.

Any RAM used by the video controller is NOT available to
to Windows, thus reducing system performance.

2) Sacrificing system RAM for video is a bad idea, the
system needs it more. Extra RAM in video controllers
is used mostly for 3-D effects and gaming, because
most video systems already have plenty of RAM for
implementing colors screen resolution.

On board video controllers are never fast or exotic enough
to benefit from the extra RAM anyway.

The rest of the system (i.e. Windows) on the other hand
can put any extra RAM to a far better use, by reducing
the need to store transient data on disk.

Don't forget that a hard disk is 10,000,000 times slower than
physical RAM, and when Windows starts running out of
physical RAM, it starts swapping data to disk (thrashing).

The performance penalty is not subtle !!!! Operations that
took a few seconds can take hours and even days.

3) It may be possible to change the balance between
system RAM and VIDEO RAM in the BIOS.
This depends on the motherboard.

4) If you want to drastically improve performance, do
buy a separate video card, for example an ATI Radeon
Saphire and disable the onboard video.

You must make sure the video card will fit in your
motherboard. Depending on the boards age, it
can use one of several types of I/O slots:

Vesa
PCI
AGP 2x
AGP 4x/ 8x
PCI Express

etc...

The card must match the slot.

5) The suggestion that adding a separate video card would
somehow slow down your computer is absolute non-sense.

Tell the guy to read some books, take a few classes, and
keep his opinions to himself until he knows something.

Internal video cards (on-board) have limited capabilities,
and steal system resources. Add-on cards are designed
for performance, by adding resources and off-loading
graphics related computation from the main CPU,
allowing it to do 0ther things.

6) Finally, using the hard-drive to supplement video RAM
is impossible. The hard disk is way too slow. It would be
like hitching a snail in front of your Porche. Perhaps
even a little worse.

Video RAM needs to be extremely fast, even faster than
system RAM. It is often organized using ultra-wide buses
with interleaved addressing for maximum speed. Also,
for this reason, good video RAM is not cheap. A good
Video CARD will have between 256 to 512 MB of fast RAM.

If you run Windows XP, your system should have at between
1024 to 2048 MBytes of system physical RAM.

Less RAM will make your system drastically slower when
doing things like video and image processing.

For VISTA, two gigs is the absolute minimum.


Disk are used for storing lots of data at a slow speed,
and retaining it with the power OFF.

Hard disks can store about 1,000 times as much as
physical RAM, but the access time is up to 10 million
times slower:

RAM can be accessed in 1 nanosecond.
DISK takes 10 milliseconds.

Hope this answers your question
Please rate my answers.

Martin

Posted on Jul 04, 2008

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Your pc can be faster if you upgrade your CPU or graphic card(only graphic application will make you notice the increased speed in graphics).
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