Re: AMD 64 setup

From: Rod Smith (rodsmith_at_nessus.rodsbooks.com)
Date: 11/06/04


Date: Sat, 6 Nov 2004 17:23:49 -0000

In article <cmekn1$osf$1@uwm.edu>,
        Labuser <labuser@uwm.edu> writes:
>
> I am thinking about getting an AMD64 system. Here is the
> setup from http://sysbuilder.com I am thinking of. I would
> like to know whether the setup will work with linux. I am
> concern about the motherboard compatibility with Linux.
>
> CASE: (+27.00) Linkworld 313BB 300W w/Front USB Black Mid Tower
> PS: 300W Power Supply Included

Conventional wisdom is that AMD Athlon64 systems need pretty beefy power
supplies, but I've also heard that the problems that occur with
less-powerful power supplies are largely a result of CHEAP power supplies
that don't deliver enough power on particular lines. The "300W" figure is
a total value; that's split up into several different voltages and some is
lost as waste heat. Better power supplies lose less and split the
available power up in ways that work well for your system. In any event, a
300W power supply that ships with a $27 case isn't likely to be very good.
I'd recommend getting something larger and/or from a better manufacturer.

> MB: (+75.00) Jetway S775MAX MB AMD Athlon 64 ATX/ SiS 755/ 800FSB/

I've never heard of this manufacturer. The SiS chipset it uses looks good
on paper, but the last time I checked (a few months ago), Linux driver
support for some of its embedded components was weak, but improving. I
suspect it'll be OK, but you may need to use a very recent kernel and/or
patch an older one. The last information I had was that Ethernet works,
parallel ATA works but some people say it's slow, serial ATA support was
being developed, and I couldn't find anything on sound support. This was
as of the 2.6.3 kernel, though, and it's probably improved since then.

A few months ago, for Athlon 64 systems, the nVidia nForce3 150 and VIA
K8T800/VT8237 were both more mature chipsets from a Linux driver point of
view. (I've got an MSI board with a K8T800/VT8237 chipset, FWIW. It works
well, with the exception of some flaky audio.) I'm sure both nVidia and
VIA have more recent chipsets out by now, and I don't know how they stack
up. This all changes so quickly....

> DDR400/ SATA/AUDIO/LAN
> CPU: (+172.00) ** AMD Athlon64 3000+ ** Retail Box CPU
> MEMORY: (+91.00) Apacer 512MB DDR400 Memory
> HDD1: (+53.00) Maxtor 40G IDE ATA133 7200RPM HDD

If 40GB is enough space for you, then fine; but this is pretty bare-bones
by today's standards.

> CD-ROM1: (+17.00) BenQ 656A-Ret 56X IDE CD-ROM Drive Retail
> VGA: (+40.00) SAPP/ATI RADEON 7000 64MB AGP

3D video support for AMD64 is still weak, but it's something I've not
studied in detail, as I don't really care about it. If you do, I suggest
you investigate availability of AMD64 drivers for this card or any other
you might consider instead.

Overall, I'd say to put more money into a better power supply and do some
more research on SiS chipset drivers and the video card driver.

-- 
Rod Smith, rodsmith@rodsbooks.com
http://www.rodsbooks.com
Author of books on Linux, FreeBSD, and networking


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