We
have the facilities to upgrade all PC's in our workshop from adding
a few Mb of ram to an old Pentium to adding additional Pentium 4,Dual
Core, Core2 Duo/Quad or Xeon processors to multiprocessor Network
Servers.
Economies of an Upgrade
Upgrading existing system
units are most economic when enhanced performance is limited to
only one or two areas. For example the overall speed of the system
is adequate but hard drive space is limited would suggest a new
larger hard drive as the most economic solution. Extra RAM can improve
the speed of your machine and in some cases a new motherboard and
CPU can be economical. However, as more and more areas require upgrading,
then the value of the components left in your original system can
decrease to an extent where a new system unit would be a better
purchase.
Compatibility
Depending on the exact make
up of your system, there are occasions when some upgrades will prove
to be non-economic due to compatibility issues. For example you
may require a new video card for better graphics, and the card which
best fits your requirements is only available in PCI Express format.
However your motherboard may not have a
PCI Express slot and so the upgrade will not physically fit
your system without upgrading the motherboard too. Also
some components become out of date and unavailable making a complete
new machine the only option.
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