What's your memory assessment speed?

After a bit of tweaking, I'm happy with my Corsair Vengeance LP DDR3 1600Mhz results.



At stock DDR3-1333Mhz, NB 2000Mhz, the results were:
Copy 10466 MB/s
Read 8107 MB/s
Write 6831 MB/s
Score 7.47GB/s
Latency 66.9 ns

winsat mem: 14911.50 MB/s

At DDR3-1600Mhz (9-9-9-24-1T), which the RAM is specified for, I got:
Copy 10560 MB/s
Read 8667 MB/s
Write 6734 MB/s
Score 7.70 GB/s
Latency 65.0 ns

At DDR3-1600Mhz (9-9-9-24-1T), NB 2400Mhz, CPU-NB 1.32v I got:
Copy 11602 MB/s
Read 9457 MB/s
Write 7883 MB/s
Score 8.67 GB/s
Latency 61.5 ns

winsat mem 18172.96 MB/s

With the RAM at 1600Mhz, the highest NB I could boot at was 2600Mhz (with CPU-NB 1.32v, NB 1.3v) which gave the following but wasn't stable (I was getting crashes in Explorer):

Copy 11867 MB/s
Read 9822 MB/s
Write 8457 MB/s
Score 9.14 GB/s
Latency 60.4 ns

winsat mem 19929.93 MB/s

So I decided to drop the RAM back to 1333Mhz and see if I could increase the NB, which is how I got my current results with the NB @ 2800Mhz, which are somewhat slower in MaxxMemm for everything except Write speed, which gets a nice boost, but gives a better result with winsat mem.

Britton30 said:

doveman007 try setting your NB to 1.4V or 1.425 to see if that will stabilize it.

Thanks. I'll give that a go.

Britton30 said:

doveman007 try setting your NB to 1.4V or 1.425 to see if that will stabilize it.

I actually forgot which one you said and increased the CPU-NB to 1.4v, but it seems to have done the trick

DDR3-800 (1600) Mhz (9-9-9-24-1T), NB 2800, CPU-NB 1.4v, NB 1.3v:

Copy 12049 MB/s
Read 10094 MB/s
Write 9021 MB/s
Score 9.56 GB/s
Latency 58.9 ns

winsat mem 21452.53 MB/s

Hmm, seems I spoke to soon. Next time I tried to boot it had the same problem accessing the HDD. It boots grub4dos OK but then can't seem to find the drive when I select the "boot from partiton 0" entry.

Do you think increasing the NB to 1.4v, so that both that and the CPU-NB are at 1.4v, will be safe and likely to fix this?

Seems rather low for what's meant to be an enthusiast's board, but the BIOS only lets me take the NB to 1.388v so I've set it to that and the CPU-NB to 1.3v for now. Booted OK but it did so once before with only the CPU-NB at 1.4v, so I'll have to see if it consistently boots OK and then look at maybe decreasing the CPU-NB a bit.