overclocked 4400 x2 need some advice

[Christy]

Hi all,

Have installed my new a64 4400 + stock 2.2ghz @ 1.4v have now slowly clocked
up to:

260 x 10 = 2600mhz - HTT x 4 ram 2.5-4-4-8

Everything (almost!) is running stable but a couple of applications do not
start up such as sisandra lite and reg cleaner - any ideas?

I'm using xp pro sp2 - did not reinstall since new cpu installed

tia all

 

[Christy]

Hi all,

Have installed my new a64 4400 + stock 2.2ghz @ 1.4v have now slowly
clocked up to:

260 x 10 = 2600mhz - HTT x 4 ram 2.5-4-4-8

Everything (almost!) is running stable but a couple of applications do not
start up such as sisandra lite and reg cleaner - any ideas?

I'm using xp pro sp2 - did not reinstall since new cpu installed

tia all

Is there a way to see both cpus working?

 

[David Maynard]

Is there a way to see both cpus working?

Task Manager, ctrl-alt-delete

the second processor may not be active, though, if your original install
put in the non-SMP kernel.

 

[CoCo]

Task Manager, ctrl-alt-delete

the second processor may not be active, though, if your original install
put in the non-SMP kernel.

hi

run prime to verify stable state! amd cool'n'quiet driver is DIFFERENT for single and x2!!!

notice that some programs don't like x2 cpu's very much and must be run with affinity set to
one cpu. also some speed related probs are from the way 2 independent cpu update some
internal timers in xp. (kb896256)

coco

 

[Bob Huntley]

Can you pls. provide a bit more detail about how to ensure Windows XP is
properly set-up for a X2 CPU.

My PC came pre-installed with Windows so it would be nice to check if the
retailer used the correct hard-disk image file for X2 CPU's, instead of a
generic one for all AMD 64 bit processors.

(As a rough check, I've just run Task Manager - it shows two CPU load
graphs, but they are very similar (not quite identical, but almost so)).

 

[CoCo]

Can you pls. provide a bit more detail about how to ensure Windows XP is
properly set-up for a X2 CPU.

My PC came pre-installed with Windows so it would be nice to check if the
retailer used the correct hard-disk image file for X2 CPU's, instead of a
generic one for all AMD 64 bit processors.

(As a rough check, I've just run Task Manager - it shows two CPU load
graphs, but they are very similar (not quite identical, but almost so)).

good! (two not cloned graph = two independent cpu)

check amd for proper x2 cool'n'quiet driver
http://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_871_13118,00.html

coco

 

[Christy]

good! (two not cloned graph = two independent cpu)

check amd for proper x2 cool'n'quiet driver
http://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_871_13118,00.html

coco

Thanks all - Im going to complete a clean os install first

 

[Bob Huntley]

Thanks, I'll give it a try

good! (two not cloned graph = two independent cpu)

check amd for proper x2 cool'n'quiet driver
http://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_871_13118,00.html

coco

 

[VanShania]

I just read somewhere that some applicastions don't run properly on dual
core unless they are set to run with affinity for one processor. Don't know
if this is done in bios though. Just something I read.

 

[skeeter]

I have run a dual amd a7m266-d with a pair of bartons for several years and
"never" had a problem running anything. A lot of software only runs on one
processor though but never any issues.

 

[eventerke]

At 260Mhz you would probably be better off with an HTT multiplier of x3
(and you might be able to push the CPU farther, or get a better FSB
speed at an x9 multiplier). 260x4=1040HTT which is right at or above
the limit - IIRC testing has shown that the HTT has more capacity than
the memory or CPU can provide, and you only need to shoot for 800 or
so.
Also - if you've got to relax the memory timing that much you may want
to just run a memory divider and use A64Tweaker to get the right speed
once you have the CPU settings sorted.
Definitely get a copy of Prime95 and use the Torture Test for stability
- I thought I had my system stable, but started seeing a few reboots in
F.E.A.R. - sure enough the system would boot and run fine, but Prime95
wasn't stable (30mins is a good test, and it gives you a chance to
check if your CPU cooling is good enough).
Also make sure you lock the PCIe/AGP/PCI bus so they aren't
overclocked.
My Opteron 144 is now stable @ 2.7Ghz . (300x9, HTTx3)

HTH,
Kendt