ocz platinum ddr2 1066 timming

[aserty126]

im trying to find the best timmig for the ocz platinum ddr2 1066

the original timming is 5-5-5-15

I set it to 5-5-5-18 im trying to get better stability on my OC to 3.6 GHz on my Qx 9650

i want to know what is the best timming
and is low is better or high is better?

Contrôleur mémoire
Type Dual Channel (128 bits)
Mode actif Dual Channel (128 bits)

Performances mémoire
CAS Latency (CL) 5T
RAS To CAS Delay (tRCD) 5T
RAS Precharge (tRP) 5T
RAS Active Time (tRAS) 18T
Row Refresh Cycle Time (tRFC) 60T
Command Rate (CR) 2T
RAS To RAS Delay (tRRD) 3T
Write Recovery Time (tWR) 14T
Read To Read Delay (tRTR) Same Rank: 4T, Different Rank: 5T
Read To Write Delay (tRTW) 7T
Write To Read Delay (tWTR) Same Rank: 11T, Different Rank: 5T
Write To Write Delay (tWTW) Same Rank: 4T, Different Rank: 7T
Read To Precharge Delay (tRTP) 5T
Write To Precharge Delay (tWTP) 14T
Precharge To Precharge Delay (tPTP) 1T
Refresh Period (tREF) 4171T
DRAM Read ODT 3T
DRAM Write ODT 6T
MCH Read ODT 11T
Performance Level 9
Read Delay Phase Adjust Neutral
DIMM1 Clock Fine Delay 4T
DIMM2 Clock Fine Delay 2T
DIMM3 Clock Fine Delay 4T
DIMM4 Clock Fine Delay 1T

http://www.ocztechnology.com/ocz-ddr2-pc2-8500-platinum-dual-channel-eol.html

 

[redduc900]

At a 3.6GHz clock (400MHz x 9) set the DRAM frequency to DDR2-1000 (4:5 FSB : DRAM ratio), the four primary timings to CL 5-5-5-15-2T (Command Rate), and the DRAM voltage to 2.1V. And a Performance Level of 9 is probably too high at a FSB of only 400MHz, so try either lowering it to 8 or set it to Auto. The same goes w/ a Row Refresh Cycle Time (tRFC) of 60T, whereas you can try lowering it to ~54T.

 

[aserty126]

i try to put 5-5-5-15 2T tRFC of 54 but i got error on all test prime occt linx so i tried
it at 5-5-5-18 2T tRFC 60 at 2.1V im losing a little bit on bench on ram but on L1 and L2
cache i gain speed

i dont what to think

the frist one 5-5-5-15-2T TRFC 54
the second on 5-5-5-18-2T tRFC60