On 11/27/2012 11:09 PM, Stan Hoeppner wrote:
On 11/27/2012 11:29 PM, Marc Shapiro wrote:
Last weekend I put together a new box to replace the one that has been
locking up repeatedly. The components are:
Gigabyte 970A-DS3 MB
8GB (2x4GB) Patriot G3 RAM
AMD FX-4100 Quad Core CPU
ASUS DVD/CD Writer
MSI R5450 Graphics Card
Seagate 1TB HD
Andre, the PSU is the one that came with the case. Yes, a cheep case
and PSU combo. The PSU is only 380W.
...
I don't know what else to check, or what hardware is actually bad. Any and
all suggestions cheerfully accepted.
You didn't state the DIMM speed. Are these 1333 or 1600 sticks? What
is SPD "auto" running them at? If they're 1600 modules try running them
at 1333 with appropriate timings and modifying the CPU clock multiplier
accordingly.
The DIMMS are 1600. According to the BIOS the CPU Timing is at 200 and
the memory is at x8.0 which matches the 1600 speed of the memory. How
would I set that to match 1333?
The timings are 4-5-5-15.
Or you may want to try backing the timings off a bit. If your Patriot
modules are DDR3-1333 with 10.5-7-7-7 timings try 12-8-8-8.
I had a Biostar socket a A mobo with the dual channel DDR400 memory
controller in the nVidia Northbridge and two sticks of Geil DDR400 that
routinely threw memory errors until I backed the timings off SPD by 1
clock. Typically these memory errors are caused by a few "marginal"
transistors in some cells that simply won't function correctly at SPD
timings. I won't go as far as saying this is "common" with consumer
DIMMs, but it's far more frequent than with server modules.
BTW, "Patriot" may not be generic but it's not a tier one player like
Crucial, Hynix, Kingston, Micron, Samsung, Wintec, etc. Over the long
haul companies like Patriot, Geil, G.Skill, etc, tend to have higher in
the field defects and failures than the top players. I try to stick
with DIMMs from Crucial and Micron as the entire product from silicon to
final module is manufactured under "one roof". These companies have
been making DRAM chips and modules decades longer than the new kids and
really know the business inside and out. Performance, quality, and QC
are very high, and warranty service excellent. In summary IMHO they
simply have better overall product.
If I have to return these again, I may just go with Crucial, or Kingston.
After letting the system run overnight there were quite a few more
errors, as I expected. It seems like the error are all in Test #5. At
least that is what was showing this morning, and is the only test that I
have seen errors appear in on this set of runs.
I switch the sticks back to the original slots this morning and now all
8GB are showing again. I really don't know if this is a memory problem,
or a motherboard problem. The system seems to run OK. I just want all
8GB of memory to be recognized and working properly.
Marc
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