Horst Herb wrote:
On Mon, 28 Nov 2005 12:06, Greg Twyford wrote:
Currently I like the Nvidia based 6200 cards w/ 256 MB RAM- most brands
are fanless, yet the cards deliver more than sufficient grunt even at my
nowadays preferred resolution of 1920x1200, allow hardware accelerated
rotation (for those of us having swivel screens turning from landscape
into portrait) etc. at a A$110 price tag.
Horst,
For GP systems I specify a Gigabyte X-300 PCI-X Radeon card.
Why? (Because of their excellent card independent multi platform driver
*architecture* which never have been matched by ATI, I tend to stick to
nvidia chipsets)
Horst,
That's interesting, as I've had to install 3rd party 3D drivers for
nVidia into Red Hat & Mandrake, while most flavours of Linux seem to
have the ATI 3D drivers available natively.
I have heard reports of criticism of ATI drivers in the past but their
current Catalyst drivers seem very equivalent to the nVidia drivers in
most respects, in Windows at least.
I'm sure both brand of chips are up to the task, as long as the card has
a passive heatsink. In SOHO server or workstation cases that are without
VGA case fans there are some good 3rd party cooling solutions. I use
various Antec cases, some with and some without VGA case fans, and
replace the 8cm fans with Ceradyna ceramic bearing fans, which claim
300,000 hours MTBF.
I use 3rd party slot-based extraction fans that use the Ceradyna fans,
or the Zalman bracket that allows fans to be placed over the VGA
heatsink, blowing down onto it. The Ceradyna fans are quiet at 2400rpm
but the Zalman kits have a resistor fitting to reduce the fan speed to
1600 rpm, if the noise level is an issue.
I've seen several el cheapo cases, with the internal air 'snorkel' over
the CPU fan to allow it draw air from outside the case directly to the
CPU fan, overheating recently because of a layer of dust and lint on the
heatsink's upper surface. The snorkel seems to suck in the dust and lint
much more than front air entry designs, especially those with filters.
After all it is now the 'cooking' season and more PCs out there have P4
Prescott's and high-end AMD processors, which both produce serious heat,
than ever before.
Greg
--
Greg Twyford
Information Management & Technology Program Officer
Canterbury Division of General Practice
E-mail: [EMAIL PROTECTED]
Ph.: 02 9787 9033
Fax: 02 9787 9200
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