Re: recommend amd64 MB

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On Wed, 2004-01-14 at 16:16, Justin M. Forbes wrote:
> Dual Opteron is a different beast.  Make sure it is AMD chipset, as that is
> currently the only chipset that offers local memory banks to both CPUs
> (substantial performance hit without it. The Arima boards are decent, and
> the MSI AMD chipset board is not too bad.  

have you seen either of these boards with lots of ram?  i'd really like
a box with 8 or 16gb of ram.

cheers

rob.

ps- here is the email i sent tyan tech support which details my
configuration and problems...

OS: Fedora Core 1 with kernel 2.6.1-rc3-X8664-1

Bios Revision: 1.01 (tried 2885101i, but it wouldnt boot)
Bios Settings: Failsafe defaults, disabled onboard nic, disabled acpi
CPU: 2 opteron 248
RAM: 8gb installed and recognized but not all used
Additional Cards:
05:00.0 VGA compatible controller: nVidia Corporation NV18 [GeForce4 MX
440 AGP 8x] (rev a2)
01:03.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5701
Gigabit Ethernet (rev 15)
(the onboard 5703 doesnt work w/ tg3 in 2.6.1-rc3-X8664)

Problem 1:

when using all 8gb of memory (kingston model KVR333X72RC25/1G) the
machine fails memory tests.  if the amount of memory linux sees is
limited to 5gb at the command line with mem=5G the machine passes the
same memory tests.  if mem=6G is passed to the kernel at boot time the
machine fails memory tests.

Problem 2:

the onboard BCM5703 doesn't seem to work with linux.  i was told "The
BIOS seems to be broken. It didn't assign an correct IO region for the
Tigon3."

here are some error messages when it tries to initialize the card:
Dec  8 12:00:19 fc1 kernel: tg3.c:v2.2 (August 24, 2003)
Dec  8 12:00:19 fc1 kernel: PCI: Unable to reserve mem region
#1:ff000180fc700000@fffe8000000000 for device 02:09.0
Dec  8 12:00:19 fc1 kernel: PCI: Unable to reserve mem region
#1:ff000180fc700000@fffe8000000000 for device 02:09.0
Dec  8 12:00:19 fc1 kernel: tg3: Cannot obtain PCI resources, aborting.





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