Help w/ DFI LT x48 & QX9650

TouGe · #1 10-05-2008, 01:27

Hello everyone, technically this is my first post here so.....

First let me post my BIOS settings:

Code:

CPU Feature
Thermal Management Control:  Disabled
PPM(EIST) Mode:  Disabled
Limit CPUID MaxVal:  Disabled
CIE Function:  Disabled
Execute Disable Bit: Enabled
Virtualization Technology: Disabled
Core Multi-Processing: Enabled

Exist Setup Shutdown:  Mode 2
Shutdown after AC Loss:  Disabled
CLOCK VC0 divider:  Auto
CPU Clock Ratio Unlock:  Enabled
CPU Clock Ratio: 9.5x
Target CPU Clock: 3800MHz
CPU Clock: 400MHz
Boot Up Clock: Auto
DRAM Speed: 266/667
Target DRAM Speed: 1003MHz
PCIE Clock: 110MHz
PCIE Slot Config: 4x NC

CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
SATA Spread Spectrum: Disabled

Voltage Settings
CPU ViD Control: 1.30625V (1.32V)
CPU VID Special Add: Auto
DRAM Voltage Control: 2.00V (1.95V)
SB Core/CPU PLL Voltage: 1.510V
NB Core Voltage: 1.304V (1.32V)
CPU VTT Voltage: 1.100V (1.10V)
Vcore Droop Control: Enabled
Clockgen Voltage Control: 3.45V
GTL+ Buffers Strength: Strong
Host Slew Rate: Weak
GTL REF Voltage Control: Enabled
x CPU GTL1/3 REF Volt: 65
x CPU GTL 0/2 REF Volt: 64
x North Bridge GTL REF Volt: 48

DRAM Timing
Enhance Data transmitting: Fast
Enhance Addressing: Fast
T2 Dispatch: Enabled

Clock Setting Fine Delay
Ch1 Clock Crossing Setting: More Aggressive
DIMM 1 Clock fine delay: Current  1424
DIMM 2 Clock fine delay: Current  574
Ch 1 Command fine delay: Current  512
Ch 1 Control fine delay: Current  512
Ch1 Command fine delay: Current  974

Ch2 Clock Crossing Setting: More Aggressive
DIMM 3 Clock fine delay: Current  1300
DIMM 4 Clock fine delay: Current  337
Ch 2 Command fine delay: Current  286
Ch 2 Control fine delay: Current  124
Ch2 Command fine delay: Current  1024

Ch1Ch2 CommonClock Setting: More Aggressive

Ch1 RDCAS GNT-Chip Delay: Auto
Ch1 WRCAS GNT-Chip Delay: Auto
Ch1 Command to CS Delay: Auto

Ch2 RDCAS GNT-Chip Delay: Auto
Ch2 WRCAS GNT-Chip Delay: Auto
Ch2 Command to CS Delay: Auto

CAS Latency Time (tCL): 5
RAS# to CAS# Delay (tRCD): 5
RAS# Precharge (tRP): 4
Precharge Delay (tRAS): 12
All Precharge to Act: 5
REF to ACT Delay (tRFC): 44
Performance LVL (Read Delay) (tRD): 7

Read delay phase adjust: Enter

Ch1 Read delay phase (4~0) 6-6-6-6-6
Channel 1 Phase 0 Pull-In: Enabled
Channel 1 Phase 1 Pull-In:       “
Channel 1 Phase 2 Pull-In:       “
Channel 1 Phase 3 Pull-In:       “
Channel 1 Phase 4 Pull-In:       “

Ch2 Read delay phase (4~0) 6-6-6-6-6
Channel 2 Phase 0 Pull-In:  Enabled
Channel 2 Phase 1 Pull-In:       “
Channel 2 Phase 2 Pull-In:       “
Channel 2 Phase 3 Pull-In:       “
Channel 2 Phase 4 Pull-In:       “

MCH ODT Latency: 1
Write to PRE Delay (tWR): 14
Rank Write to Read (tWTR): 11
ACT to ACT Delay (tRRD): 3
Read to Write Delay (tRDWR): 8
Ranks Write to Write (tWRWR): 5
Ranks Read to Read (tRDRD): 5
Ranks Write to Read (tWRRD): 5
Read CAS# Precharge (tRTP): 5
ALL PRE to Refresh: 5

And here is my Everest Memory Benchmarks:
[IMG]

[/IMG]

There are a few things I am trying to do here and I also have a few questions as well.
First, is there any way I can run a PL of 6 on my current 266/667 strap and 400FSB w/ pull-ins disabled? I've noticed that chosing a PL of 6 w/ pull-ins disabled forces some of the pull-ins to a value of 5 whereas having a PL of 7 w/ all pull-ins enabled results in a value of 6 across all pull-ins.
I have tried a PL of 6 w/ pull-ins disabled and a NB voltage of 1.40V using 5-5-5-12-54 timmings and Ch1/Ch2 Clock Crossing=Ch1Ch2 Common Clock=Aggressive but it was a no go. Do I need more NB voltage in order to enable a PL of 6?

Looking @ my Everest score above is there anything else I could do to decrease my latency as well as increase my Rd/Wt/Copy performance? I don't want to leave my strap memory divider yet as I am trying to get the most out of this setting. I have tried running 5-5-3-12-44 along with everything listed above in my BIOS template but I saw nothing different in my Memory benchmark and I was unsuccessful in running 5-4-4-12 timmings.

The only thing I can think of changing is my PL setting.

Last question. What is the deal with the C1 hang on this board. I am currently 9 hours small FFTs stable, 5 hours Blend stable, and I have run HCI's MemTest for 2 hours straight w/o any problems. When I cold boot I get a C1 error then the computer reboots itself and everything is fine. I also get random C1 hangs when I reboot (maybe 1 out of 10) which I have to force a restart in order to get the board to boot. Is this something that I can fix by bumping the NB voltage?

All feedback on my settings welcomed?

*I had a hard time typing this post w/ all those smiley things on the right margin, freaking hillarious.

Clunk · #2 10-05-2008, 02:15

To be honest, I haven't gone that far into the RAM settings to be able to give you definitive answers on the pull-ins, I also don't have that RAM, sorry I can't be more help with that.

It is on my to do list though, so hopefully, I will be able to comment this week

As for the C1 thing - I only experienced this on mine when I got right to the edge of the RAM's ability, and it failed to make it to windows, and then after restarting, it failed to post with a C1 error.

I also manage to make it do a C1 after attempting a high-ish overclock with very low voltage.

Another reason for the C1 can be if you don't have enough RAM voltage for the given overclock. It was one of my few complaints about this board, and hopefully DFI will add some kind of strap reset feature in future BIOSes.

My workaround was simply to save the last decent set of settings in CMOS reloaded and then just do a quick CMOS clear and reload the settings and carry on.

Glad you liked the smileys

TouGe · #3 10-05-2008, 04:39

Thanks for the reply Clunk.

I've decided to start pushing the FSB beyond 400MHz in order to bring up my Rd/Wt/Copy throughput while decreasing my latency. I wanted to avoid this since anything beyond 420MHz is nearly impossible to obtain with this chip/chipset combo and anything above 3.8GHz seems to take unreasonable voltages.
From what I've seen on the internet a PL of 6 is not doable which is a little annoying.

As far as my C1 problem goes I found that by increasing my NB voltage a little solved my C1 error on reboot but I still get the C1 error on cold boots--this same thing happened to me while using my Asus Maximus Formula.

I guess I'll have to try and make sense out of all those GTL settings now....

Clunk · #4 10-05-2008, 14:13

Quote:

Originally Posted by TouGe

As far as my C1 problem goes I found that by increasing my NB voltage a little solved my C1 error on reboot but I still get the C1 error on cold boots--this same thing happened to me while using my Asus Maximus Formula.

You need to run memtest. Dead/dying RAM will also cause the C1 error.

Kelainefes · #5 10-05-2008, 15:27

Just noticed this:
Core Multi-Processing: Disabled
As far as i know this makes you run with 2 cores instead of 4, am i right?

Plus 2.00 vDIMM in the BIOS (that drops to 1.95 if i understand correctly) may be a little lowish for 2x2GB modules @ DDR2 1000.. Although i never tried them so i don't really know.

Clunk · #6 10-05-2008, 15:35

Well spotted, and you are quite correct, he is running on 2 cores.

TouGe · #7 10-05-2008, 22:45

No, all is good. The Core Multi-Processing is enabled. It was a typo. Thanks for pointing that out to me.

As far as the RAM. I've ran Memtest overnight the day that I got these from the Egg which was about a week ago and they checked out fine. I've also been using HCI Memtest after tweaking sub-timmings and I still did not get any errors.