** Official ** Gigabyte UD3 P45 Series -- EP45-UD3 / EP45-UD3R / EP45-UD3P

[dustin_ds3000]

should i upgrade my BIOS on my GA-EP45-UD3R to F12e from F8. right now i do have my E8500 OCed to 4GHZ with 9.5x and 422 FSB 100% stable

[radi4fun]

is UD3P Rev 1.0 still very good compared to Rev 1.6? also does the NB get hot like in RE that you need to cool with a water block? i'm thinking of getting rev1.0 but can't decide if i should look for rev 1.6. is buying a used rev1.0 for 75 shipped good idea or should i be getting a new rev1.6 from egg at $110 AMIR. i already plan on going water with my cpu. so i''d figure if the NB gets hot, i can just throw on a MCW30 on it.

[andressergio]

is UD3P Rev 1.0 still very good compared to Rev 1.6? also does the NB get hot like in RE that you need to cool with a water block? i'm thinking of getting rev1.0 but can't decide if i should look for rev 1.6. is buying a used rev1.0 for 75 shipped good idea or should i be getting a new rev1.6 from egg at $110 AMIR. i already plan on going water with my cpu. so i''d figure if the NB gets hot, i can just throw on a MCW30 on it.

rev 1.0 is the best mate for OC

Cheers
Sergio

[In-Fluence]

rev 1.0 is the best mate for OC

Cheers
Sergio

I'll believe that when I see proof! (see sig)

[andressergio]

I'll believe that when I see proof! (see sig)

yeah mine aint bad just didnt want to push more

[tool_462]

I'll believe that when I see proof! (see sig)

*usually* a bit better

But who are we kidding here, all revisions of this board are quad-core overclocking monsters

[andressergio]

*usually* a bit better

But who are we kidding here, all revisions of this board are quad-core overclocking monsters

for sure mate just i've seen problems with rev 1.1 and some mem

[In-Fluence]

for sure mate just i've seen problems with rev 1.1 and some mem

I get you. I just didn't want anyone putting down my beloved 1.6!

I've been having a few stabs at getting 4.5 linx stable, but I'm suffering as a result of what I believe to be a bit of an iffy temp sensor and another weird issue I hope some of you might be able to help with..

I managed up to 8 passes before the PC instantly shut off which indicated to me that a temperature reached it's threshold somewhere. After opening ET6 and looking at the CPU temp sensor on there, I noticed it was jumping around a lot by up to 15°C above the internal sensors. Below is a pic of me testing at 4.4, just to record the kind of spikes the sensor reaches (I guess speedfan would have been better):

Although I understand that the sensor is quite a way off the actual core temps in most people's cases, this one jumped between 75-93°C whilst under load, even though the actual core temperatures are what I think is ok for a linx run at these volts (i could have gone lower on the vcore, but this was just to help illustrate my point without crashing).

The furthest I've got is 8 passes at 4.5, and as you can see below, the temp is actually lower at higher volts:

Shortly after this, ET6 spiked to 96°C and after that, it instantly shut down. (I assume it must have hit 100°C)
Below is another shot just before the previous one showing voltgaes:



My other issue is sometimes when I run linx, temps run lots lower, and cpu runs slower and sometimes loses more than half the performance (i.e ~30 gflops rather than ~60), although nothing different shows in CPU-Z speeds or any other unusual events - could some process be interfereing with it even though everything else shows 0% usage? This is pretty much a fresh install of W7 64bit.

Any hints from the experinced pros are welcome! Do any of the bios offer lower CPU temp readings?

[yogi7272]

Hi guys , just got UD3P few days ago as my galaxy 650i ultra got busted due to 2 yrs of overclocking my q6600.. on that mobo it was doing 3.3ghz 24x7.

Now I wanna hit somewhere around 3.6ghz with this mobo.Went through few pages of this very very long thread.Looks like everyone is using 8xxx or 9xxx with this mobo. Is there anyone using q6600 with it. PLs post ur oc settings for it then so that I can start on a solid ground.. I have cooler master Extreme power 600 w psu and true 120. Since the heatsink on northbridge is sufficient hence I avoided swapping it with hr-05 sli. Now will it help if I replace the stock southbridge heatsink with Hr-05 sli or its not needed? .. Pls help guys .. On bios ver f8

[In-Fluence]

You'll probably find the settings for the Q9xxx range will get you most of the way. You'll need more vcore to get lower clocks though and you won't be able to clock as high. I would suggest you start with all voltages/settings at default (not auto), set your multiplier to 6x and increase FSB from there whilst keeping a low multi (something like 400 will be worth starting from imo). It will also be worth checking if you can get 500fsb stable, just to find your CPU's limit and get a feel for what voltages you'll need. For everything other than CPU. There are no 'right' settings, it all depends on your CPU. Note that skews and CPU/MCH ref voltages are very helpful in getting stable, particularly at high fsb, although I don't know about this board and 45nm quads, If I kept my Q6600, I would probably have some settings for you.

See how far you can get, and post back with your settings and we could go from there. Remember to keep an eye on your temps though - those quads get proper toasty!

[Jor3lBR]

Hi guys , just got UD3P few days ago as my galaxy 650i ultra got busted due to 2 yrs of overclocking my q6600.. on that mobo it was doing 3.3ghz 24x7.

Now I wanna hit somewhere around 3.6ghz with this mobo.Went through few pages of this very very long thread.Looks like everyone is using 8xxx or 9xxx with this mobo. Is there anyone using q6600 with it. PLs post ur oc settings for it then so that I can start on a solid ground.. I have cooler master Extreme power 600 w psu and true 120. Since the heatsink on northbridge is sufficient hence I avoided swapping it with hr-05 sli. Now will it help if I replace the stock southbridge heatsink with Hr-05 sli or its not needed? .. Pls help guys .. On bios ver f8

Look for posts made by user name "Fatguy1992" on this thread, I'm pretty sure he pushed his Q6600 over 4300Mhaz daily:

- http://www.xtremesystems.org/forums/...rchid=19269694

Fatguy's Q6600 4050Mhz stable template:
http://www.xtremesystems.org/forums/...postcount=3227

[radi4fun]

man, all rev's seem good. you guys are getting insane fsb's that P5Q can't seem to hit. what kind of memory are you guys using? would this G.SKILL 4GB (2 x 2GB) DDR2 1066 (PC2 8500) Model F2-8500CL5D-4GBPK - Link be good enough? or do i have to get something that is even higher than this? and the Voltage 2.0V - 2.1V that the ram is rated at, is that fine to run in the board as well?

[enzolt]

can someone post/link me to OC settings for this board. i have a q9550 e0 and coming from an asus p5e mobo, not sure what max volts are for this mobo/chipset. thanks in advance.

[radi4fun]

start reading at page 125 of this thread, that is where all this quads start to show up http://www.xtremesystems.org/forums/...05132&page=125

[Gameman]

Had 4.0 GHZ easy the other day, and then lost it... i couldn't get it back no matter what i tried in the bios on the UD3L rev1 f4 bios... it seemed like it was resetting the memory speed on me...
so here's what happened: i updated the bios to f7 and it booted right away,,,,

just in case any of you folks have the ep45 ud3l and run into this
My god these Gigabyte boards are finicky.... - but they run good....



that's all
enjoy....

[yogi7272]

Thanks guys for all ur replies.. I will start with settings posted by fatguy1992 .. got a pretty decent knowledge abt overclocking but zero knowledge about p45 chipset.As I was using nvidia 650i ultra for last two yrs and it was a decent board for its price. Will try different things and post how far I can go 24x7

[yogi7272]

Anyone want Q6600 settings? let me know Heres my stable 4.05GHz settings I have, 3.0GHz, 3.2GHz, 3.6GHz, 4.0GHz and 4.2GHz settings all stable.

******Gigabyte EP45 UD3P******

Robust Graphics Booster.........................[ Auto     ] 
CPU Clock Ratio.................................[ 9        ] 
Fine CPU Clock Ratio............................[ 0        ] 
CPU Frequency 4.05GHz...........................[ 450 x 9  ]

******Clock Chip Control******

CPU Host Clock Control..........................[ Enabled  ] 
CPU Host Frequency (Mhz)........................[ 450      ] 
PCI Express Frequency (Mhz).....................[ 100      ] 
C.I.A 2 [Disabled] 

******Advanced Clock Control******

CPU Clock Drive.................................[ 800mv   ] 
PCI Express Clock Drive.........................[ 900mv   ] 
CPU Clock Skew..................................[ 0ps     ] 
MCH Clock Skew..................................[ 0ps     ] 

******DRAM Performance Control******

Performance Enhance [Standard] 
Extreme Memory Profile (XMP)....................[ Auto ] 
(G) MCH Frequency Latch.........................[ 400MHz ]
System Memory Multipler.........................[ 2.00D  ] 
Memory Frequency 1066...........................[ 900MHz ] 
DRAM Timing Selectable..........................[ Manual ] 

CAS Latency Time................................[ 5        ] 
tRCD............................................[ 4        ] 
tRP.............................................[ 4        ] 
tRAS............................................[ 15       ] 

******Advanced Timing Control******

tRRD............................................[ Auto     ] 
tWTR............................................[ Auto     ] 
tWR.............................................[ Auto     ] 
tRFC............................................[ Auto     ] 
tRTP............................................[ Auto     ] 
Command Rate (cmd)..............................[ 2     ] 

******Channel A Timing Settings******     

Static tRead Value        [ 7 ] ................[ 8        ] 
tRD Phase0 Adjustment     [ 0 ] ................[ Auto     ]
tRD Phase1 Adjustment     [ 0 ] ................[ Auto     ]
tRD Phase2 Adjustment     [ 0 ] ................[ Auto     ]
tRD Phase3 Adjustment     [ 0 ] ................[ Auto     ] 

tRD 2rd (Differnt Rank)   [ 8 ] ................[ Auto     ]
tWR 2wr (Differnt Rank)   [ 8 ] ................[ Auto     ] 
tWR 2rd (Differnt Rank)   [ 7 ] ................[ Auto     ] 
tRD 2wr (Same/Difft Rank) [ 9 ] ................[ Auto     ] 

Dimm 1 Clock Skew Control.......................[ Auto     ] 
Dimm 2 Clock Skew Control.......................[ Auto     ] 
DDR Write Training..............................[ Auto     ] 

******Channel A Driving Settings****** 

Drive Strength Profile..........................[ 1066MHz ] 
Data Driving Pull Up Level......................[ Auto     ] 
cmd Driving Pull Up Level.......................[ Auto     ] 
ctrl Driving Pull Up Level......................[ Auto     ]
clk Driving Pull Up Level.......................[ Auto     ]

Data Driving Pull Down Level....................[ Auto     ] 
cmd Driving Pull Down Level.....................[ Auto     ] 
ctrl Driving Pull Down Level....................[ Auto     ] 
clk Driving Pull Down Level.....................[ Auto     ]

******Channel B Timing Settings******     

Static tRead Value        [ 7 ] ................[ 8        ] 
tRD Phase0 Adjustment     [ 0 ] ................[ Auto     ]
tRD Phase1 Adjustment     [ 0 ] ................[ Auto     ]
tRD Phase2 Adjustment     [ 0 ] ................[ Auto     ]
tRD Phase3 Adjustment     [ 0 ] ................[ Auto     ] 

tRD 2rd (Differnt Rank)   [ 8 ] ................[ Auto     ]
tWR 2wr (Differnt Rank)   [ 8 ] ................[ Auto     ] 
tWR 2rd (Differnt Rank)   [ 7 ] ................[ Auto     ] 
tRD 2wr (Same/Difft Rank) [ 9 ] ................[ Auto     ] 

Dimm 1 Clock Skew Control.......................[ Auto     ] 
Dimm 2 Clock Skew Control.......................[ Auto     ] 
DDR Write Training..............................[ Auto     ] 

******Channel B Driving Settings****** 

Drive Strength Profile..........................[ 1066MHz  ] 
Data Driving Pull Up Level......................[ Auto     ] 
cmd Driving Pull Up Level.......................[ Auto     ] 
ctrl Driving Pull Up Level......................[ Auto     ]
clk Driving Pull Up Level.......................[ Auto     ]

Data Driving Pull Down Level....................[ Auto     ] 
cmd Driving Pull Down Level.....................[ Auto     ] 
ctrl Driving Pull Down Level....................[ Auto     ] 
clk Driving Pull Down Level.....................[ Auto     ]

******Motherboard Voltage Control******

Load-Line Calibration [Enabled] 
CPU Vcore         [ 1.25000 ]...................[ 1.3625  ] 
CPU Termination   [ 1.20    ]...................[ 1.28   ]
CPU PLL           [ 1.50    ]...................[ 1.500  ]
CPU Reference     [ 0.766   ]...................[ I can't remember the number, but its 2 steps up from default   ]

MCH Core          [1.1      ]...................[ 1.3  ]  
MCH Reference     [0.760    ]...................[ I can't remember the number, but its 1 step down from default  ] 
MCH/DRAM Refernce [0.900    ]...................[ 1.000 ] 
ICH I/O           [1.500    ]...................[ 1.500  ] 
ICH Core          [1.100    ]...................[ 1.100  ] 

DRAM Voltage      [1.800    ]...................[ 2.000    ] 
DRAM Termination  [0.900    ]...................[ 1.000   ] 
Channel A Ref     [0.900    ]...................[ 1.000  ] 
Channel B Ref     [0.900    ]...................[ 1.000  ]  

******Advanced BIOS Features******

CPU Multithreading..............................[ Enabled ] 
Limit CPUID Max to 3............................[ Disabled ] 
No-Execute memory Protect.......................[ Disabled ]  
CPU Enhance Halt (CIE)..........................[ Disabled ]  
C2/C2E State Support............................[ Disabled ]  
C4/C4E State Support............................[ Disabled ] 
CPU Thermal Monitor.............................[ Disabled ] 
CPU EIST Function...............................[ Disabled ] 
Virtualization Technology.......................[ Disabled ]

Can u post ur 3.6ghz and 4.0 ghz settings as well for q6600? I hope you still have them

[yogi7272]

Ok. Been able to clock q6600@3.6 ghz with ram@800 mhz -9x400 fsb 1:1 .My ram is pretty ordinary one- transcend 800mhz cl5.. I think max this ram can do is 900-950 mhz with loose timings.

[dustin_ds3000]

should i upgrade my BIOS on my GA-EP45-UD3R to F12e from F8. right now i do have my E8500 OCed to 4GHZ with 9.5x and 422 FSB 100% stable

can anyone give their input on this

[tin83]

What is the safest voltage for NB on a stock cooling?

Currently i have my rig at 3.8Ghz, both Vtt and Mch are on 1.3
i've tried to get it up past 4Ghz but no luck at all

[clo007]

OMFG!!!!!!! I am so excited!!!!!!!!!!!!!!!!!!!!!!!!!!!

I got a new case...Antec1200...and now I got dual channel back!!!!!!!!!!!!!!!!!!!!!!!!!!!! And 8gb to boot!!!!!!!

[OC Nub]

Congrats!! Your single channel nightmare is over, now you can really enjoy your rig.

[doodle]

Have found some places selling the : GA Ep45 UD3LR here in uk wich seem to go quick,so my question is will they be a good overclockers as the GA Ep45 UD3 to go with my Q9550 ,thanks.

[Gameman]

I existed on Single Channel for a year when half my Dominator set made the choice not to boot anymore - but it's enough for Crysis and Vista

[clo007]

Congrats!! Your single channel nightmare is over, now you can really enjoy your rig.

Yepper.
Seems to have been a grounding issue with the Antec900 case. Oh well, it is past me now.

woot woot