|This question is not for the computer I am currently using to post. The actual specs are:|
GA-EP43-UD3L, Core 2 Duo E8200, OC to 3.2GHz (400x8), Crucial Ballistix 4GB (2x2GB) set 800MHz DDR2 listed as 4-4-4-12 2.0V, PNY GTS250 GDDR3 1GB, WD500GB Black.
CPU-Z shows under Memory:
Dram Freq. 400.0 MHz
CAS# Latency (CL) 5.0 Clocks
RAS to CAS# Delay (tRCD) 5 Clocks
RAS# Precharge (tRP) 5 Clocks
Cycle Time (tRAS) 18 Clocks
Row Refresh Cycle Time (tRFC) 52 Clocks
Command Rate (CR) 2T
Under SPD tab it shows 4 columns:
Timings Table JDEC#1 JDEC#2 EPP#1 EPP#2
Frequency 333MHz 400MHz 400MHz 500MHz
CAS# Latency 4.0 5.0 4.0 5.0
RAS# to CAS# 5 5 4 5
RAS# Precharge 5 5 4 5
tRAS 15 18 12 15
tRC 20 23 24 30
Command Rate 2T 2T
Voltage 1.8V 1.8V 2.000V 2.000V
My question is, are these optional memory timings? It is running at 1.8 Volts at what appears to be the JEDEC#2 settings above, and I suspect that the JEDEC#1 above might be better settings if I was running the memory at 333Mhz (667DDR2). Am I right on this, and what does the EPP#1 & EPP#2 columns? Are they also also timings that these can run at? Is EPP#1 a 'tighter' timing that might be better? Is EPP#2 mean that I could run these settings and up to 1000DDR2 if I want to try running beyond the 400MHz base speed? AND is there a chance that my board will support over 1600FSB with slightly more voltage? ((I guess that is a lot more than a singular question!!)) [Everything is running great at these settings with temps 40C-50C on stock heat sink, this is more for my education and for possible future experimentation] As always, Thank You in advance.
Edit: too bad the columns did not stay on that last chart.
You have to be a little bit crazy to keep you from going insane.
If all else fails, read instructions.