DFI P35-T2R Overclocking etc..

rlm · 02-09-2007, 09:30 AM

wow nice 8800GTX you have 660mhz GPU unmodded! 15k

Is that good is it? Cheers

Funny thing is in HWBOT the chart tells me it's poor.

Here's a 20 min(I know short) blend test with the quad. Memory is Geil 8500 cas 4s. I think that the Gskill HZ's actually perform a bit more reliably on this board.

Some notes running up to this. Running the ram 1060mhz 4-4-4-12 (266/667 4:5) wasn't particularly stable and blend crashed the system. As I say I think maybe my geils are part of the problem there, but it's also a 1066 strap if I'm right??

With 1016mhz 4-4-4-12 (333/800 5:6) at auto performance level of 6, blend failed after a minute. I loosened the performance level to 7, before running the following blend test.... Note Halted rather than failed.

Q6600 GO 423x9 (3.8 ghz) Mem 1016mhz 4-4-4-12 Prime Blend Test

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
CLOCK VC0 divider: AUTO
CPU Clock Ratio Unlock: Enabled
CPU Clock Ratio: 9x
- Target CPU Clock: 3807 Mhz
CPU Clock: 423
Boot Up Clock: AUTO
DRAM Speed: 333/800 (5:6)
- Target DRAM Speed: 1016
PCIE Clock: 100mhz

Voltage Settings
CPU VID Control: 1.55000
CPU VID Special Add: AUTO
DRAM Voltage Control: 2.49v (Allowing for droop -0.05 idle a further -0.04 load)
SB 1.05V Voltage: 1.15v
SB Core/CPU PLL Voltage: 1.95v
NB Core Voltage: 1.57v
CPU VTT Voltage: 1.55v
Vcore Droop Control: Disabled
Clockgen Voltage Control: 3.75v
GTL+ Buffers Strength: Strong
Host Slew Rate: Weak
GTL REF Voltage Control: Disable
x CPU GTL1/3 REF Volt: 105
x CPU GTL 0/2 REF Volt: 105
x North Bridge GTL REF Volt: 110

DRAM Timing
- Enhance Data transmitting: NORMAL
- Enhance Addressing: NORMAL
- DIMM 1 CLK fine delay: Current 2 (empty slot)
- DIMM 2 CLK fine delay: Current 6
- DIMM 3 CLK fine delay: Current 2 (empty slot)
- DIMM 4 CLK fine delay: Current 7

CAS Latency Time (tCL): 4
RAS# to CAS# Delay (tRCD): 4
RAS# Precharge (tRP): 4
Precharge Delay (tRAS): 12
All Precharge to Act: AUTO (MSet Reads 4)
REF to ACT Delay (tRFC): AUTO (MSet Reads 42)
Performance Level: 7 (Auto sets to Perf to 6)
Read delay phase adjust: AUTO
MCH ODT Latency: AUTO
Write to PRE Delay (tWR): 14 (Mset reads 13)
Rank Write to Read (tWTR): 13 (Mset reads 12)
ACT to ACT Delay (tRRD): 3
Read to Write Delay (tRDWR): AUTO (Mset reads 8)
Ranks Write to Write (tWRWR): AUTO (tends to default I believe at 6)
Ranks Read to Read (tRDRD): AUTO (tends to default I believe at 6)
Ranks Write to Read (tWRRD): AUTO (tends to default I believe at 5)
Read CAS# Precharge (tRTP): 4
ALL PRE to Refresh: AUTO (memset reads 2)

PCIE Slot Config: 1X 1X
CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
SATA Spread Spectrum: Disabled

RLM

rlm · 02-09-2007, 02:34 PM

Just taken some readings for VDIMM with a multimeter.

Smartguardian does seem to be more accurate than bios from what I've found.

Bios set to 2.49v vdimm

Readings in windows xp taken from a free slot.

1 memory stick in reads 2.46v
2 memory sticks in read 2.44v

Reading taken while in bios

2 memory sticks in read 2.44v

So according to my multimeter -0.05v from what is set in bios.

I did a blend run, while taking a reading. SMG reports a droop of about -0.04v. Multimeter reports no droop at all.

Not sure how these things work, and whether that's accurate for the slots the memory sticks are occupying at the time.

RLM

eva2000 · 02-09-2007, 09:43 PM

Ah thanks for that rlm.. was wondering about that.. where you taking vdimm reading from ??

ShoNuff · 03-09-2007, 12:47 PM

RLM and Eva thanks for sharing the bios settings. I was able to get the board up and running yesterday. So for I like the board alot. I was able to fire it up and run 3DMark06 at 9X400 with the QX6850. The board is definately faster than my Striker.

I wasn't able to push it b/c of the heat. Once I am sure everythng is stable I going to install the waterblocks and have at it.

Is there any chance that either of you know of a chipset waterblock that will fit over the mosfet area on the DFI?

edit: It appears that the Vdroop function is working properly with the 0823 bios. "Disabled" is actually working. 1.29375 set in bios is reading 1.31 in Windows at idle AND load.

ShoNuff · 03-09-2007, 04:44 PM

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

Exist Setup Shutdown: Mode 2
CLOCK VC0 divider: AUTO
CPU Clock Ratio: 9x
- Target CPU Clock: 4050 Mhz
CPU Clock: 450
Boot Up Clock: AUTO
DRAM Speed: 333/800 (5:6)
- Target DRAM Speed: 1081
PCIE Clock: 100mhz

Voltage Settings
CPU VID Control: 1.475 (cpu was stable at 1.47v Striker)
CPU VID Special Add: AUTO
DRAM Voltage Control: 2.42v
SB 1.05V Voltage: 1.15v
SB Core/CPU PLL Voltage: 1.95v
NB Core Voltage: 1.57v
CPU VTT Voltage: 1.55v
Vcore Droop Control: Disabled
Clockgen Voltage Control: 3.75v
GTL+ Buffers Strength: Strong
Host Slew Rate: Weak
GTL REF Voltage Control: Enable
x CPU GTL1/3 REF Volt: 110
x CPU GTL 0/2 REF Volt: 110
x North Bridge GTL REF Volt: 110

DRAM Timing
- Enhance Data transmitting: NORMAL
- Enhance Addressing: NORMAL
- DIMM 1 CLK fine delay: Current 14 (Auto)
- DIMM 2 CLK fine delay: Current 6 (empty slot)
- DIMM 3 CLK fine delay: Current 13 (Auto)
- DIMM 4 CLK fine delay: Current 7 (empty slot)

CAS Latency Time (tCL): 5 (Auto)
RAS# to CAS# Delay (tRCD): 5 (Auto)
RAS# Precharge (tRP): 5 (Auto)
Precharge Delay (tRAS): 18 (Auto)
All Precharge to Act: (Auto)
REF to ACT Delay (tRFC): (Auto)
Performance Level: (Auto)

Read delay phase adjust: (Auto)
MCH ODT Latency: (Auto)
Write to PRE Delay (tWR): (Auto)
Rank Write to Read (tWTR): (Auto)
ACT to ACT Delay (tRRD): (Auto)
Read to Write Delay (tRDWR): (Auto)
Ranks Write to Write (tWRWR): (Auto)
Ranks Read to Read (tRDRD): (Auto)
Ranks Write to Read (tWRRD): (Auto)
Read CAS# Precharge (tRTP): (Auto)
ALL PRE to Refresh: (Auto)

PCIE Slot Config: 1X 1X
CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
SATA Spread Spectrum: Disabled

+I was able to take a CPU-Z screen shot at 4050MHz. It would drop out of 3DMark06 during the second "Firefly" scene. I believe the problem may be heat related.

+I put a Papst 120mm fan on the south bridge and it was running cool to the touch but SG reported temps of 51c under load. Cpu temps climbed to 69c with the Scythe Infinity.

+I have NB & SB waterblocks from my previous setup. I need a waterblock for the PWM /mosfet area. When liquid cooled this board should rock!

+Looking forward to tweaking the Corsair 1111 Dominators when I can get the temps under control.

rlm · 04-09-2007, 02:37 AM

Ah thanks for that rlm.. was wondering about that.. where you taking vdimm reading from ??

No worries Eva2000

Here's where I took the reading from. I believe this is right.

RLM

rlm · 04-09-2007, 02:44 AM

Last 24 has been a bit of a nightmare.

Geil and DFI P35, not to good a combo right now.

Machine was down with C1 error. Flushing cmos, removing battery, leaving for hours, trying single sticks in all the slots, none of it worked.

Motherboard packed up and about to be returned.

Gskill were out on loan. Got them back a few hours ago. In a last ditch attempt, I stuck a stick in and back in action

Weird though. Almost as if flushing cmos isn't returning everything to default. That or unpredictable auto settings. Very odd.

Really need to drop DFI a line on this one.

Do you know the best point of contact Eva2000?

RLM

rlm · 04-09-2007, 02:55 AM

ShoNuff,

Glad you're up and running

Thanks for posting your settings, good on you man.

Have contemplated watercooling the NB myself, much like I did on the Quad GT.

I believe you can get a heatsink from Thermalright for the mosfets. Not a 100% though.

Regards watercooling the mosfets. Don't alphacool do a range of waterblocks?

In fact not to be too lazy, just done a google. Not sure if any of these are suitable.

http://www.alphacool.de/index.php/ca...t-coolers.html

On my setup, I've got an 80mm fan fitted on the end of my apogee's mounting bolts, which blows over the NB. Had to drill some holes in the fan, due to how close the graphics card is.

For the PWM, I have another 80mm fan mounted outside the case blowing in through the back of it.

Compared to the IP35 pro the PWM's stay pretty damn cool, topping out at 50c full load.

My current idle temps, with a warm ambient (shorts and t-shirt

) are 35c PWM and 36c Chipset.

RLM

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