INFO On Ram Timing

mrgrunts

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Jan 29, 2016
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I'll try to make this quick, lol.
I had a virus that made some changes to my PC, Found it and got rid of it and all is back up and running again however I have noticed that my processing speeds have slowed. I asked around to a few people and they all say Ram. So I did a check on Timing, Speed and such and I noticed that between What my Ram cards say they should be and what my PC says is running. There is a difference. This is my INFO, Please take a look and tell me what you think.

This is the Ram I have installed On my ASUS M5A99FX Pro R2.0 With a FX 8350

RAM// G.skill Ares Series DDR3 1866 PC3 14900 Memory F3-1866C10D-16GAB// DDR3 1866 (PC3 14900)
Timing 10-11-10-30
CAS Latency 10
Voltage 1.5V

This is what my PC, using Speccy, says I have running

Memory
Type DDR3 Speed 1333 MHz
Size 16384 MBytes
Channels # Dual
DRAM Frequency 668.8 MHz
CAS# Latency (CL) 11 clocks
RAS# to CAS# Delay (tRCD) 11 clocks
RAS# Precharge (tRP) 11 clocks
Cycle Time (tRAS) 28 clocks
Bank Cycle Time (tRC) 33 clocks

I'm not sure but I think these settings should be

Memory
Type DDR3 Speed 1866 MHz
DRAM Frequency 933or934 MHz
CAS# Latency (CL) 10 Clocks
RAS# to CAS# Delay (tRCD) 11 Clocks
RAS# Precharge (tRP) 10 Clocks
Cycle Time (tRAS) 30 Clocks
Bank Cycle Time (tRC) NOT SURE

My Questions Are, By changing the Timings to what they should be could that speed up Processes, And if so how do I change them? Normally My son does this for me but he has moved to start his own life and is hard to get
ahold of Him, lol. Waiting for any and all replies. Thanks in advance.
 
Tested Speed 1866MHz
Tested Latency 10-11-10-30-2N
Tested Voltage 1.50v

What you have written is correct.
Rank Cycle Time (tRC) 33 clocks ////////////// NOT SURE (default setting is correct)

Version E8043201 5/08/28 update 27 MBytes
M5A99FX PRO R2.0 user's manual

Look at page 3-9 of manual

Ai Overclock Tuner
Default [Auto] setting is okay for initial start up. You can change to [DOCP] (DRAM OverClock Profile) which should automatically set memory to tested specs.
The other setting is [Manual} where you can enter settings manually.

page 3-9

Memory Frequency [Auto]
You can change the memory clock speed manually here to 1866MHz if you are manually using the Ai Overclock Tuner

page 3-10

DRAM Timing Control
If you choose to manually set DRAM Timing the first one is #Cas Latency so set that to 10.
Next set the next three timing options in sequence (11-10-30-2N)
Default settings are okay for all other settings except for the Command Rate setting at the bottom of page 3-10. That configuration setting is 2T which corresponds to the 2N in the (11-10-30-2N) sequence.

Default DRAM voltage setting is 1.5v so you don't need to change the [Auto] setting for DRAM voltage.