Trident F3-12800CL8D-4GBTD cool boot problem

[hoangsgp]

Sorry mod, I make a new thread for my self.
As I mention in first thread about my ram set.

http://www.gskill.us/forum/showthread.php?t=2751





Until now I still have BSOD when power on and crash when cool boot. I got in BIOS and changed alot in M.I.T but that problem still there.
I read many thread here, but still don't get right timing for my set. On side of my ram, the timing is 8-8-8-21. But on g-skill website, it is 8-8-8-24
http://www.gskill.com/products.php?index=185

So 1 set of ram but having 02 timing ???

I set 8-8-8-24 CR 2 ram voltage = 1.6 tRFC = 68 (or Auto) MHz = 1333. It can not boot up to windows load screen.

I also set 8-8-8-21 CCR 2 ram voltage = 1.6 tRFC = 68 (or Auto) MHz = 1333. And the result was better but still crash at cool boot.

I just want to ask what is right timing for my set 8-8-8-21 or 8-8-8-24? Why G-Skill made it so confuse for customer?

And what is right setting for my set at 1333 and 1600? Please give me two options. Right now, I just want my system to run stable at 1333 before get to 1600.

I had own this set for long time but still stuck to find out how to run it stable, and it make me so disappointed on G-Skill Ram (or only this set and I was unlucky to get it).

Please help me. Thanks in advance.

Hoang

[GSKILL TECH]

DDR3-1600 8-8-8-21 1.65V should work fine.

DDR3-1333 7-7-7-21 1.60V should work as well.

The reason why there are two different timings is because different batches had slightly different specs.

Test them one at at time to see if one may be defective.

Thank you
GSKILL TECH

[hoangsgp]

None of these timings are work correct to my set. I try alot but get more disappointed.
What are other parameters I have to change along with these timings? (Vcore, MCH, tRFC....?)
Or Are these timings correct for my set?
Very unlucky that I bring this ram set to VietNam (bought from Newegg.com) where your company do not have any warranty office.
I will try more but if my ram set defective, I have to send it back to US. Any better way?

PS: All timings I set did not pass EVEREST Ultimate Edition - System Stability Test, the test fails after few seconds to few minutes.

Thank you.
Hoang

[hoangsgp]

How about tRFC, tRD...and MCH, Vcore? It's still 68 for tRFC like Trademan said or different with Timing 7-7-7-21? or 8-8-8-21?
It is very important because if I leave tRFC = auto, for sure it can not boot normal.

As now, I manual set as below:
7-7-7-21
Command Rate = 2
tRFC =72

MCH/ICH
MCH Core……………...........................: 0.950
MCH Reference….…….......................: 0.84 (or Auto)
MCH/DRAM Ref.…...........................: 0.8
ICH I/O………………............................: Auto
ICH Core…………...…….......................: Auto

DRAM
DRAM Voltage ……...........................: 1.600V
DRAM Termination .…......................: 0.800
Channel A Reference .......................: 0.800
Channel B Reference .......................: Auto

As I set parameters as above, it still have problem as cold boot (after few hours not using computer) like black screen after log in or some program did not work well or crash. But when it work, I test by memory testing option of Windows 7, both of Ram are ok, no problem found.

So I know it was unstable as I do not have the right tRFC, MCH Core or even tRD and others parameters.

Can you explain for me how to caculate it or what is it from manufacturer?

Thanks you.
Hoang

[GSKILL TECH]

Try testing one stick at a time with basic settings to see if one stick is defective. Also, if you can post BIOS pictures I can see if you anything is set incorrectly.

Do not change anything besides the basic memory settings. You do not need to. If you do, you may just be causing your own problems.

Thank you
GSKILL TECH

[hoangsgp]

Here are images of my Bios.






On cool boot, my system have to reboot 3, 4 times or more (after windows loading screen, before log on screen) before I can log into windows and use as normal.

[hoangsgp]

Another images:

[hoangsgp]

And some picture when I get into windows:






If I leave MCH Core = Auto, my system will crash alot or even can not boot because voltages for Ram sometime jump to 1,744V.
If I leave MCH Core = 1,050 or 0,950 then On cool boot, my system have to reboot 3, 4 times or more (after windows loading screen, before log on screen) before I can log into windows and use as normal.
Last time I change tRFC (68, 70 or 72). I feel it better than leave it auto but as you said, I leave everything auto.

Please check images, thanks you.

Hoang

[GSKILL TECH]

Set MCH Core AUTO.
CPU Host Clock Control - Enabled
CPU Host Frequency - 400

F10, save, exit, and enjoy.

Thank you
GSKILL TECH

[hoangsgp]

I done as you said then now I can not boot up my system. After set as above, I got beep beep beep and reboot. After re-boot, I get into Bios and screen appear a message about error by over voltage. I check Ram Voltage and it was 1,9xx V ().
After that I set 8-8-8-21 Ram Vol to 1.64 and now I can not boot up my system.
Your suggestion is not work.
What can I do now?

[GSKILL TECH]

OK... my settings are in addition to your settings base on the pictures. DRAM Voltage should have already been 1.65V.

Also, you may need to lower CPU ratio since raising the CPU Host Frequency to 400 overclocks the CPU frequency.

Thank you
GSKILL TECH

[hoangsgp]

I tried timings you give but not work. My computer will not boot as DDR Voltage auto go up to 1,744V or 1,93x V. I tried 8-8-8-21 CPU Host Frequency - 400MHz (multi 7.0, 7.5, 8.0), DRAM Voltage = 1.64V and 1.66V.

The most stabe timings for me until now
7-7-7-21
Command Rate = 2
tRFC = 68 to 74 (I just change around (2 poimts in 1 step) 68 what Trademan gave me last time (8-8-8-21, tRFC=68), I don't know how to get it)

MCH/ICH
MCH Core……………...........................: 0.950
MCH Reference….…….......................: Auto
MCH/DRAM Ref.…...........................: 0.8
ICH I/O………………............................: Auto
ICH Core…………...…….......................: Auto

DRAM
DRAM Voltage ……...........................: 1.600V
DRAM Termination .…......................: 0.800
Channel A Reference .......................: 0.800
Channel B Reference .......................: Auto

With these timimngs I can use my computer but it sometime still boot error (BSOD or black screen) and Avira sometime crash or error message. Internet Explorer crash during work, Evira got error message about memory during scan system (The instruction at 0x7354f7c9 referenced memory at 0x00000100. The memory could not be read).

And 1 question, I have to OC my system to use this Ram? (you told me to set CPU Host to 400 MHz).


PS: Some information I get from Everest

Memory Module Properties
Module Name G Skill F3-12800CL8-2GBTD
Serial Number None
Module Size 2 GB (2 ranks, 8 banks)
Module Type Unbuffered DIMM
Memory Type DDR3 SDRAM
Memory Speed DDR3-1333 (667 MHz)
Module Width 64 bit
Error Detection Method None
DRAM Manufacturer G Skill

Memory Timings
@ 666 MHz 9-9-9-24 (CL-RCD-RP-RAS) / 33-74-4-10-5-5 (RC-RFC-RRD-WR-WTR-RTP) (correct timings for my system now?)
@ 592 MHz 8-8-8-22 (CL-RCD-RP-RAS) / 30-66-4-9-5-5 (RC-RFC-RRD-WR-WTR-RTP)
@ 518 MHz 7-7-7-19 (CL-RCD-RP-RAS) / 26-58-4-8-4-4 (RC-RFC-RRD-WR-WTR-RTP)
@ 444 MHz 6-6-6-16 (CL-RCD-RP-RAS) / 22-49-3-7-4-4 (RC-RFC-RRD-WR-WTR-RTP)

Extreme Memory Profile
Profile Name Enthusiast (Certified)
Memory Speed DDR3-1600 (800 MHz)
Voltage 1.60 V
@ 800 MHz 8-8-8-21 (CL-RCD-RP-RAS) / 30-60-2-6-10-6-6 (RC-RFC-CR-RRD-WR-WTR-RTP)

Memory Module Features
Auto Self Refresh Supported
Extended Temperature Range Supported
Extended Temperature Refresh Rate Not Supported
On-Die Thermal Sensor Readout Not Supported

Memory Module Manufacturer
Company Name G.Skill International Enterprise
Product Information http://www.gskill.com/products.php

I check system stability in 10 minutes and got this picture:


There's one time DIMM (DDR Voltage) down to 0,16V. You can see in picture, so any problem here?

Thanks.
Hoang

[GSKILL TECH]

CPU FSB must be 1600MHz in order for the memory to run at DDR3-1600

Did you ever try one stick at a time?

Thank you
GSKILL TECH

[hoangsgp]

I don't want to run at 1600 while I can't get stable at 1333.
I did test both stick individually, and no stick have problem. The problem here is when cold boot, it will crash my system. The system is only run fine after few minutes power on (mean while it needs to restart one or few times).

[GSKILL TECH]

Send the memory in for new replacements, and the new set should work better.

Thank you
GSKILL TECH