EP45-UD3R RAM question

[HavocX10]

I have the above mb with a C2D 6600 oc'd to 3.0 and 4 gigs of Corsair XMS 6400. I have available a 4 gig set of G. Skill 8500 that is having issues. When I install the 8500 the Intel Burn test fails everytime.

These are my current settings with the Corsair 6400:

MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster ...............: [Auto]
CPU Clock Ratio ..........................: 9
Fine CPU Clock Ratio.....................:.0
CPU Frequency ...........................: 3.00Ghz (333 x 9 = 2.997)


Clock Chip Control
Standard Clock Control
CPU Host Clock Control..................: [Enabled]
CPU Host Frequency (Mhz) ............: 333Mhz
PCI Express Frequency (Mhz) .........:Set to 100

C.I.A.2 .................................:[Disabled]


Advanced Clock Control [Press Enter]
CPU Clock Drive...........................: <<< 800
PCI Express Clock Drive.................: <<< 900
CPU Clock Skew (ps)....................: <<<
MCH Clock Skew (ps)...................: <<<


DRAM Performance Control
Performance Enhance...................: [STANDARD]
Extreme Memory Profile (X.M.P.).....: Disabled
(G)MCH Frequency Latch...............: [333]
System Memory Multiplier ..............: 2.40
Memory Frequency (Mhz) ..............: 799 (Memory Multi 2.40 x FSB 333 = 799)
DRAM Timing Selectable ................: [Manual]

Standard Timing Control
CAS Latency Time........................4
tRCD .........................................4
tRP'...........................................4
tRAS..........................................12

Advanced Timing Control
tRRD...........................................3-4
tWTR..........................................3-6 (May need 8-12
tWR............................................6-8 (May need 8-14)
tRFC...........................................52-65
tRTP...........................................4-6
Command Rate (CMD) ....................:2

Channel A
Static tRead Value.........................:7-10
tRD Phase0 Adjustment...................:<<< Leave for all below as well
tRD Phase1 Adjustment...................:Auto
tRD Phase2 Adjustment .................:Auto
tRD Phase3 Adjustment..................:Auto
Trd2rd(Different Rank)....................:Auto
Twr2wr(Different Rank)...................:Auto
Twr2rd(Different Rank)...................:Auto
Trd2wr(Same/Diff Rank)..................:Auto
Dimm1 Clock Skew Control...............:Auto ps
Dimm2 Clock Skew Control...............:Auto ps

Channel B
Static tRead Value.........................:7-10
tRD Phase0 Adjustment...................:<<< Leave for all below as well
tRD Phase1 Adjustment...................:Auto
tRD Phase2 Adjustment .................:Auto
tRD Phase3 Adjustment..................:Auto
Trd2rd(Different Rank)....................:Auto
Twr2wr(Different Rank)...................:Auto
Twr2rd(Different Rank)...................:Auto
Trd2wr(Same/Diff Rank)..................:Auto
Dimm1 Clock Skew Control...............:Auto ps
Dimm2 Clock Skew Control...............:Auto ps

Motherboard Voltage ControlCPUMCH/ICHAdvanced Settings
Limit CPUID Max. to 3.....................: [Disabled]
No-Execute Memory Protect............: [Enabled]
CPU Enhanced Halt (C1E)................: [Disabled]
C2/C2E State Support....................: [Disabled]
x C4/C4E State Support..................: [Disabled]
CPU Thermal Monitor 2(TM2) ...........: [Enabled]
CPU EIST Function.........................: [Disabled]
Virtualization Technology................: [Disabled]

Bear in mind, the computer is running fine and stable. I just figured since the native ram for this board is the 8500, why not use it. Will the difference even be noticable between the 6400 and the 8500? Assuming I can getit to work properly and be stable.

Thanks much in advance.

[Conners]

Re: EP45-UD3R RAM question

I would try 3.20B memory multi and set g(G)MCH Frequency Latch to auto to start with.

[profJim]

Re: EP45-UD3R RAM question

Using the 3.20B memory multiplier, your pc2-6400 might run fine at 1066 speeds with 5-5-5-15 primary memory timings.
It looks like you have MCH Core = AUTO. If yes, this is probably your problem.
Set MCH Core = 1.20 - 1.24 and your pc2-8500 will probably work. Note, sometimes 1.05 volts is needed for some memory.

You probably won't notice any difference between running with 800MHz memory (4-4-4-12) and 1066MHz memory (5-5-5-15) speeds.

[Psycho101]

Re: EP45-UD3R RAM question

You may find it useful to load optimised defaults after installing the G.Skill RAM. Even going as far as to clear the CMOS could help. It's possible that auto detected hidden settings are still being used by the board for your old RAM. This can mess up the system when running with the new RAM.

What I would do is:

• Clear the CMOS
• Load optimized defaults
• Save and exit
• Re-enter the BIOS
• Check the RAM is being detected as 1066 and alter it if not
• Check VDIMM is at the max allowed by the RAM manufacturer
• Set MCH core to 1.2V to start (may need more)

profjim is correct, you likely won't notice much real world performance difference between DDR-800 @ 4-4-4-12 and DDR-1066 @ 5-5-5-15, but DDR-1066 will beat it out in synthetic tests and will also give a few extra FPS in some games etc. The G.Skill is more than capable of DDR-1066 if set up perfectly, so you may as well take full advantage of that.

You don't say the exact model of the G.Skill RAM you're using. Is it the PK series? Maybe post a link to it on the G.Skill site.

Also note that there is no native RAM speed really for your motherboard. Your Max RAM speed depends on the CPU. With a 333 FSB CPU setting a 4.00 multi will give 1333 RAM speed. This will be even higher if using a QX9770 which has a default FSB of 400MHz. Native speed usually refers to the maximum speed you can use without resorting to over clocking the FSB. Also the old "tradition" of using a 1:1 (or 1:2 in the case of DDR3) ratio for RAM no longer applies really. Running the RAM at its max speed more than over powers and minute benefit from using a 1:1 ratio (ie 2.00B and 2.00D).

[profJim]

Re: EP45-UD3R RAM question

@HavocX10
We need a link to specifications for both of your memory modules to best help you. This could be links to a pdf datasheet or the web page from the manufacturer's website for your specific models.

Your posted bios template doesn't make it clear which settings are on AUTO or where you've manually changed settings.
Accuracy is not important, IT'S EVERYTHING!! Any inaccuracies in your posted bios settings will slow down how quickly we can help you.

Follow Psycho101's suggestions EXACTLY, then post your bios settings and include a screenshot with:
Memset using the SPD and ">>" tabs
cpu-z main screen
EasyTune6 --> TUNER tab --> ADVANCE tab --> VOLTAGE tab

Use the blank bios template in this post, and fill in the actual bios settings that you're currently using. If your bios says [AUTO], your bios template should say AUTO. If you've manually entered a different setting, replace the value to the right of the ":" with the actual value that you've set.
Fill in all the "??" fields with the values displayed in your bios.

You can find links to these programs in the Latest Overclocking Programs, System Info, Benchmarking, & Stability Tools thread.

[HavocX10]

Re: EP45-UD3R RAM question

Wow, I am very grateful for the great responses. I have some work to do looks like :). I will begin the above suggestions asap but for me, that may mean this weekend. But until then, here is the link for the G.Skill

G.SKILL-Products

On the one hand, as I suspected, the overall performance boost will be small, but, like Psycho101 wisely states, may as well take full advantage of it! I'm all for getting the most performance out of my equipment, just a bit fuzzy on how to go about it . I had tried to get my C2D 6600 oc'd with the G.Skill months ago but the settings were far from stable. I found a post on these boards by a member named bodean (I think) who had the same cpu but with 6400 ram so I swapped out the G.Skill and used the settings that I posted above to get to 3.0. It has just been bugging me since then how smooth that went and why the heck not go back to the 8500 ram and squeak out the additional performance it should offer. So, probably more info than you need or want :). Gotta get ready for work. I'll post back all of the info requested asap. Thanks again.

[HavocX10]

Re: EP45-UD3R RAM question

One more quick question before I get started on this over the weekend.

Psycho101 advised to "Check VDIMM is at the max allowed by the RAM manufacturer"

Is this referring to the voltage for the ram? If so, per the specs on the G.Skill I have, that would be 2.0-2.1?

Oh, and to clear the CMOS, the way I do this is to take out the battery on the mb, unless somebody has a better suggestion.

Thanks.

[Psycho101]

Re: EP45-UD3R RAM question

Yes, VDIMM is the RAM voltage. As your G.Skill is 2.0-2.1, best tro start off with 2.1V. You may be able to reduce it to 2.0V later, but giving it the maximum now may prevent any trouble if 2.0V were to be not enough.

To clear your CMOS, there is a set of two pins you need to connect with a metal object. If you look at the"bottom end" of the board, the end with the last PCI slot and near the pins for the case buttons, you'll see the two pins above all the case connector ones, outside of their plastic surround. Have the case near a source of good light and you'll see CLR_CMOS just above them. Sometimes it may be needed to short the pins for upwards of 10 minutes, but every time I've done it only 20 seconds was needed for a complete clear.

[HavocX10]

Re: EP45-UD3R RAM question

OK, here we go. I have cleared the CMOS, installed the 8500, loaded Optimized settings and verified in that it is recognized as 1066. I made only 2 changes in Bios at that point, set Ram from Turbo to Standard and upped the voltage to 2.1.

Here is a screen shot of CPU-Z and ET6 (I could not install Memset as my desktop DPI is at a custom setting due to vision issues and Memset will only work at the default 96 DPI).



I ran Intel BurnTest successfully at max on 5 passes. I then went back and tried to oc to 3.0 with the below settings.

<link rel="File-List" href="file:///C:%5CUsers%5CKeith%5CAppData%5CLocal%5CTemp%5Cmsoh tml1%5C01%5Cclip_filelist.xml"><o:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="address"></o:smarttagtype><o:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="Street"></o:smarttagtype><!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:Compatibility> <w:BreakWrappedTables/> <w:SnapToGridInCell/> <w:WrapTextWithPunct/> <w:UseAsianBreakRules/> </w:Compatibility> <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel> </w:WordDocument> </xml><![endif]--><!--[if !mso]><object classid="clsid:38481807-CA0E-42D2-BF39-B33AF135CC4D" id=ieooui></object> <style> st1\:*{behavior:url(#ieooui) } </style> <![endif]--><style> <!-- /* Font Definitions */ @font-face {font-family:Verdana; panose-1:2 11 6 4 3 5 4 4 2 4; mso-font-charset:0; mso-generic-font-family:swiss; mso-font-pitch:variable; mso-font-signature:-1593833729 1073750107 16 0 415 0;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin:0in; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Courier New"; mso-fareast-font-family:"Times New Roman"; color:red;} @page Section1 {size:8.5in 11.0in; margin:1.0in 1.25in 1.0in 1.25in; mso-header-margin:.5in; mso-footer-margin:.5in; mso-paper-source:0;} div.Section1 {page:Section1;} --> </style><!--[if gte mso 10]> <style> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} </style> <![endif]--> Motherboard: Model: Rev# EP45-UD3R, Rev. Unknown: Bios Version: F5
Cpu: Model
Ram: Brand, Model/Part#, Link provided in earlier post
Power Supply Unit: Brand, Model#, Wattage ThermalTake ToughPower 700w

MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster -------------- : [Auto]
CPU Clock Ratio ---------------------- : [9]
Fine CPU Clock Ratio ----------------- : [N/A] <-- ignore if not available
CPU Frequency ---------------------: #### <-- this is set by your bios

Clock Chip Control
Standard Clock Control
CPU Host Clock Control --------------- : [Enabled]
CPU Host Frequency (Mhz) --------------: [333]
PCI Express Frequency (Mhz) ---------- : [100] <--- Set to 100, never leave this on Auto

C.I.A.2 ------------------------------ : [Disabled]

Advanced Clock Control ------- [Press Enter]
<st1:street><st1:address>CPU Clock Drive</st1:address></st1:street> ---------------------- : [800]
<st1:street><st1:address>PCI Express Clock Drive</st1:address></st1:street> -------------- : [900]
CPU Clock Skew (ps) ------------------ : [0ps]
MCH Clock Skew (ps) ------------------ : [0ps]

DRAM Performance Control
Performance Enhance ------------------- : [Standard] <--- set to STANDARD when overclocking
Extreme Memory Profile --- (X.M.P.) --- : [Disabled] <--- Leave this Disabled
(G)MCH Frequency Latch ---------------- : [Auto]
System Memory Multiplier -------------- : [Auto] <-- this is the setting that you are using
Memory Frequency (Mhz) ---------------- : [Auto]
DRAM Timing Selectable ---------------- : [Auto] <-- set to MANUAL for overclocking

Standard Timing Control
CAS Latency Time -------- ?? ---------- : [6]
tRCD ------------------- ?? ---------- : [6]
tRP --------------------- ?? ---------- : [6]
tRAS ------------------- ?? ---------- : [18]

Advanced Timing Control
tRRD ------------------- ?? ---------- : [Auto]
tWTR ------------------- ?? ---------- : [Auto]
tWR --------------------- ?? ---------- : [Auto]
tRFC ------------------- ?? ---------- : [Auto]
tRTP ------------------- ?? ---------- : [Auto]
Command Rate (CMD) -------------------- : [Auto] <--- Auto or 0 is OK

Driving Strength Profiles
Driving Strength --------- : Press Enter <--- press ENTER to modify memory sub-timings when overclocking

Channel A
Static tRead Value --------------------- : [Auto]
tRD Phase0 Adjustment ------------------ : [Auto] <-- leave this and below set to AUTO
tRD Phase1 Adjustment ------------------ : [Auto]
tRD Phase2 Adjustment ------------------ : [Auto]
tRD Phase3 Adjustment ------------------ : [Auto]
Trd2rd(Different Rank) ----------------- : [Auto]
Twr2wr(Different Rank) ----------------- : [Auto]
Twr2rd(Different Rank) ----------------- : [Auto]
Trd2wr(Same/Diff Rank) ----------------- : [Auto]
Dimm1 Clock Skew Control --------------- : [Auto] ps
Dimm2 Clock Skew Control --------------- : [Auto] ps

Channel B
Static tRead Value --------------------- : [Auto]
tRD Phase0 Adjustment ------------------ : [Auto] <-- leave this and below set to AUTO
tRD Phase1 Adjustment ------------------ : [Auto]
tRD Phase2 Adjustment ------------------ : [Auto]
tRD Phase3 Adjustment ------------------ : [Auto]
Trd2rd(Different Rank) ----------------- : [Auto]
Twr2wr(Different Rank) ----------------- : [Auto]
Twr2rd(Different Rank) ----------------- : [Auto]
Trd2wr(Same/Diff Rank) ----------------- : [Auto]
Dimm1 Clock Skew Control --------------- : [Auto] ps
Dimm2 Clock Skew Control --------------- : [Auto] ps

Motherboard Voltage Control
CPU
Voltage Types------------ Normal -------- Current -----
Load-Line Calibration ----------------- : [Disabled]
CPU Vcore --------------- 1.325 ---- : [Auto]

CPU Termination --------- 1.2V* ----- : [Auto]
CPU PLL ----------------- 1.5V* ----- : [Auto]

CPU Reference ----------- .760V* ----- : [Auto]
CPU Reference2 ---------- N/A ----- : [Auto]

MCH/ICH
MCH Core ---------------- 1.2V ------- :
MCH Reference ----------- .760V ------- : [Auto]
MCH/DRAM Ref ------------ .900V ------ : [Auto]
ICH I/O ----------------- 1.5V ------- : [Auto]
ICH Core ---------------- 1.1V ------- : [Auto]
DRAM
DRAM Voltage ------------ 2.1V ------- :
DRAM Termination -------- .900V ------- : [Auto]
Channel A Reference ----- .900V ------- : [Auto]
Channel B Reference ----- .900V ------- : [Auto]

Advanced Settings
Limit CPUID Max. to 3 ------------------ : [Disabled]
No-Execute Memory Protect -------------- : [Enabled]
CPU Enhanced Halt (C1E) ---------------- : [Disabled]
C2/C2E State Support ------------------- : N/A
x C4/C4E State Support ----------------- : N/A
CPU Thermal Monitor 2 (TM2) ------------ : [Enabled]
CPU EIST Function --------------------- : [Disabled]
Virtualization Technology -------------- : [Disabled]

Integrated Peripherals
Legacy USB Storage Detect ------------- : [Disabled]


Here is another screen of CPU-Z and ET6 after attempting the above settings. The computer booted OK the first time but when I checked CPU-Z the cpu was at default 2.4 speed. I went back into Bios and changed the CPU Frequency to 333, the computer failed to boot, went into a loop then after several minutes when I was about to have to unplug it to try to get it to reset, the desktop finally did load but again at the 2.4 default speed. I assume the settings above are so wrong the board just used a FailSafe setting to boot.





Looking forward to recommendations to get the 8500 stable and cpu at 3.0. Thanks in advance for the help!

[Acebmxer]

Re: EP45-UD3R RAM question

OK, here we go. I have cleared the CMOS, installed the 8500, loaded Optimized settings and verified in that it is recognized as 1066. I made only 2 changes in Bios at that point, set Ram from Turbo to Standard and upped the voltage to 2.1.

I ran Intel BurnTest successfully at max on 5 passes. I then went back and tried to oc to 3.0 with the below settings.

Motherboard: Model: Rev# EP45-UD3R, Rev. Unknown: Bios Version: F5
Cpu: Model
Ram: Brand, Model/Part#, Link provided in earlier post
Power Supply Unit: Brand, Model#, Wattage ThermalTake ToughPower 700w

MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster -------------- : [Auto] 
CPU Clock Ratio ---------------------- : [9]
Fine CPU Clock Ratio ----------------- : [N/A] <-- ignore if not available
CPU Frequency ---------------------: #### <-- this is set by your bios

Clock Chip Control
Standard Clock Control
CPU Host Clock Control --------------- : [Enabled]
CPU Host Frequency (Mhz) --------------: [333]
PCI Express Frequency (Mhz) ---------- : [100] <--- Set to 100, never leave this on Auto

C.I.A.2 ------------------------------ : [Disabled]

Advanced Clock Control ------- [Press Enter]
CPU   Clock Drive ---------------------- : [800]
PCI   Express Clock Drive -------------- : [900]
CPU Clock Skew (ps) ------------------ : [0ps]
MCH Clock Skew (ps) ------------------ : [0ps]

DRAM Performance Control
Performance Enhance ------------------- : [Standard] <--- set to STANDARD when overclocking
Extreme Memory Profile --- (X.M.P.) --- : [Disabled] <--- Leave this Disabled
(G)MCH Frequency Latch ---------------- : [Auto]
System Memory Multiplier -------------- : [Auto] [COLOR=Red]<-- 3.2B[/COLOR]
Memory Frequency (Mhz) ---------------- : [Auto]
DRAM Timing Selectable ---------------- : [Auto] [COLOR=Red]<-- set to MANUAL for overclocking[/COLOR]

Standard Timing Control
CAS Latency Time -------- ?? ---------- : [6]  [COLOR=Red]<-- 5[/COLOR]
tRCD ------------------- ?? ---------- : [6]  [COLOR=Red]<-- 5[/COLOR]
tRP --------------------- ?? ---------- : [6] [COLOR=Red]<-- 5[/COLOR]
tRAS ------------------- ?? ---------- : [18][COLOR=Red] <-- 15[/COLOR]

Advanced Timing Control
tRRD ------------------- ?? ---------- : [Auto]
tWTR ------------------- ?? ---------- : [Auto]
tWR --------------------- ?? ---------- : [Auto]
tRFC ------------------- ?? ---------- : [Auto]
tRTP ------------------- ?? ---------- : [Auto]
Command Rate (CMD) -------------------- : [Auto] <--- Auto or 0 is OK

Driving Strength Profiles
Driving Strength --------- : Press Enter <--- press ENTER to modify memory sub-timings when overclocking

Channel A
Static tRead Value --------------------- : [Auto]
tRD Phase0 Adjustment ------------------ : [Auto] <-- leave this and below set to AUTO
tRD Phase1 Adjustment ------------------ : [Auto]
tRD Phase2 Adjustment ------------------ : [Auto]
tRD Phase3 Adjustment ------------------ : [Auto]
Trd2rd(Different Rank) ----------------- : [Auto]
Twr2wr(Different Rank) ----------------- : [Auto]
Twr2rd(Different Rank) ----------------- : [Auto]
Trd2wr(Same/Diff Rank) ----------------- : [Auto]
Dimm1 Clock Skew Control --------------- : [Auto] ps
Dimm2 Clock Skew Control --------------- : [Auto] ps

Channel B
Static tRead Value --------------------- : [Auto]
tRD Phase0 Adjustment ------------------ : [Auto] <-- leave this and below set to AUTO
tRD Phase1 Adjustment ------------------ : [Auto]
tRD Phase2 Adjustment ------------------ : [Auto]
tRD Phase3 Adjustment ------------------ : [Auto]
Trd2rd(Different Rank) ----------------- : [Auto]
Twr2wr(Different Rank) ----------------- : [Auto]
Twr2rd(Different Rank) ----------------- : [Auto]
Trd2wr(Same/Diff Rank) ----------------- : [Auto]
Dimm1 Clock Skew Control --------------- : [Auto] ps
Dimm2 Clock Skew Control --------------- : [Auto] ps

Motherboard Voltage Control
CPU
Voltage Types------------ Normal -------- Current -----
Load-Line Calibration ----------------- : [Disabled][COLOR=Red] <-- try disabled first then if no boot try turning on[/COLOR]
CPU Vcore --------------- 1.325 ---- : [Auto]  [COLOR=Red]<-- set to 1.325 incress to 1.35 one step at a time till boots.[/COLOR]

CPU Termination --------- 1.2V* ----- : [Auto] [COLOR=Red]<-- 1.2-1.26 (Do not use AUTO while O.C. Will over volt.)[/COLOR]
CPU PLL ----------------- 1.5V* ----- : [Auto] [COLOR=Red]<-- 1.5 ([/COLOR][/FONT][/COLOR][COLOR=black][FONT=Verdana][COLOR=Red]Do not use AUTO while O.C. Will over volt.)[/COLOR]

CPU Reference ----------- .760V* ----- : [Auto] [COLOR=Red]<-- Set cpu Term to 1.2 then adjust this then incress cpu term to where you need to be stable.[/COLOR]
CPU Reference2 ---------- N/A ----- : [Auto] 

MCH/ICH
MCH Core ---------------- 1.2V ------- : [COLOR="Red"]<-- Set to 1.2-1.26[/COLOR]
MCH Reference ----------- .760V ------- : [Auto]  [/FONT][/COLOR][COLOR=black][FONT=Verdana][COLOR=Red]<-- Set cpu Term to 1.2 then adjust this then incress cpu term to where you need to be stable.[/COLOR][/FONT][/COLOR]
[COLOR=black][FONT=Verdana] MCH/DRAM Ref ------------ .900V ------ : [Auto]
ICH I/O ----------------- 1.5V ------- : [Auto] [COLOR=Red]<-- 1.5[/COLOR]
ICH Core ---------------- 1.1V ------- : [Auto] [COLOR=Red]<-- 1.1[/COLOR]
DRAM
DRAM Voltage ------------ 2.1V ------- : [COLOR=Red]<-- 2.1 (your ss of et6 shows 2.0 volts if 2.1 still shows 2.0 try 2.12 or 2.14[/COLOR]
DRAM Termination -------- .900V ------- : [Auto]
Channel A Reference ----- .900V ------- : [Auto]
Channel B Reference ----- .900V ------- : [Auto]

Advanced Settings
Limit CPUID Max. to 3 ------------------ : [Disabled]
No-Execute Memory Protect -------------- : [Enabled]
CPU Enhanced Halt (C1E) ---------------- : [Disabled]
C2/C2E State Support ------------------- : N/A
x C4/C4E State Support ----------------- : N/A
CPU Thermal Monitor 2 (TM2) ------------ : [Enabled]
CPU EIST Function --------------------- : [Disabled]
Virtualization Technology -------------- : [Disabled] 

Integrated Peripherals
Legacy USB Storage Detect ------------- : [Disabled][/COLOR]

Try the following corrections I have made in red and see what that gives you. If your cpu's default vid at stock volts is 1.325 thas really high. My cpu's vid is 1.225 and needs 1.35 with LL off to get 9x450 stable.

[HavocX10]

Re: EP45-UD3R RAM question

Made the suggested changes. But CPU-Z is showing the cpu running at 2.4. When I go back into Bios the settings are as I left them with the cpu frequency at 333 and everything else as indicated, but when I get to desktop and launch CPU-Z still shows running at native speed of 2.4. I upped the cpu voltage to 1.35 and then 1 more notch above that (sorry, did not write that setting down), still not showing up on CPU-Z as anything but 2.4. Should I keep upping the cpu voltage and if so, how high before it gets dangerous?

[Psycho101]

Re: EP45-UD3R RAM question

Double check that the CPU multiplier is at +9 at the top of the MIT section. Also make sure EIST and C1E are disabled, while keeping ITM 2 engaged.

[Chike]

Re: EP45-UD3R RAM question

Without your current settings and perhaps a screan capture of cpu-z there not much that can be said.

[Psycho101]

Re: EP45-UD3R RAM question

My previous post was guesswork, but an educated guess. I don't think EIST/C1E is the problem.

Assuming that the FSB is at 333, there is no real explanation for the 2.4GHz speed. If you had accidentally set FSB to 266, then you would get 2.4GHz if the CPU Multi is set to 9.

Re checking all your settings is a good idea.

[HavocX10]

Re: EP45-UD3R RAM question

I have rechecked all settings and they are as follows:

MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster -------------- : [Auto]
CPU Clock Ratio ---------------------- : [9]
Fine CPU Clock Ratio ----------------- : [N/A] <-- ignore if not available
CPU Frequency ---------------------: #### <-- this is set by your bios

Clock Chip Control
Standard Clock Control
CPU Host Clock Control --------------- : [Enabled]
CPU Host Frequency (Mhz) --------------: [333]
PCI Express Frequency (Mhz) ---------- : [100] <--- Set to 100, never leave this on Auto

C.I.A.2 ------------------------------ : [Disabled]

Advanced Clock Control ------- [Press Enter]
<st1:street><st1:address>CPU Clock Drive</st1:address></st1:street> ---------------------- : [800]
<st1:street><st1:address>PCI Express Clock Drive</st1:address></st1:street> -------------- : [900]
CPU Clock Skew (ps) ------------------ : [0ps]
MCH Clock Skew (ps) ------------------ : [0ps]

DRAM Performance Control
Performance Enhance ------------------- : [Standard] <--- set to STANDARD when overclocking
Extreme Memory Profile --- (X.M.P.) --- : [Disabled] <--- Leave this Disabled
(G)MCH Frequency Latch ---------------- : [Auto]
System Memory Multiplier -------------- : 3.2B
Memory Frequency (Mhz) ---------------- : [Auto]
DRAM Timing Selectable ---------------- : [Manual] <-- set to MANUAL for overclocking

Standard Timing Control
CAS Latency Time -------- ?? ---------- : [5]
tRCD ------------------- ?? ---------- : [5]
tRP --------------------- ?? ---------- : [5]
tRAS ------------------- ?? ---------- : [15]

Advanced Timing Control
tRRD ------------------- ?? ---------- : [Auto]
tWTR ------------------- ?? ---------- : [Auto]
tWR --------------------- ?? ---------- : [Auto]
tRFC ------------------- ?? ---------- : [Auto]
tRTP ------------------- ?? ---------- : [Auto]
Command Rate (CMD) -------------------- : [Auto] <--- Auto or 0 is OK

Driving Strength Profiles
Driving Strength --------- : Press Enter <--- press ENTER to modify memory sub-timings when overclocking

Channel A
Static tRead Value --------------------- : [Auto]
tRD Phase0 Adjustment ------------------ : [Auto] <-- leave this and below set to AUTO
tRD Phase1 Adjustment ------------------ : [Auto]
tRD Phase2 Adjustment ------------------ : [Auto]
tRD Phase3 Adjustment ------------------ : [Auto]
Trd2rd(Different Rank) ----------------- : [Auto]
Twr2wr(Different Rank) ----------------- : [Auto]
Twr2rd(Different Rank) ----------------- : [Auto]
Trd2wr(Same/Diff Rank) ----------------- : [Auto]
Dimm1 Clock Skew Control --------------- : [Auto] ps
Dimm2 Clock Skew Control --------------- : [Auto] ps

Channel B
Static tRead Value --------------------- : [Auto]
tRD Phase0 Adjustment ------------------ : [Auto] <-- leave this and below set to AUTO
tRD Phase1 Adjustment ------------------ : [Auto]
tRD Phase2 Adjustment ------------------ : [Auto]
tRD Phase3 Adjustment ------------------ : [Auto]
Trd2rd(Different Rank) ----------------- : [Auto]
Twr2wr(Different Rank) ----------------- : [Auto]
Twr2rd(Different Rank) ----------------- : [Auto]
Trd2wr(Same/Diff Rank) ----------------- : [Auto]
Dimm1 Clock Skew Control --------------- : [Auto] ps
Dimm2 Clock Skew Control --------------- : [Auto] ps

Motherboard Voltage Control
CPU
Voltage Types------------ Normal -------- Current -----
Load-Line Calibration ----------------- : [Disabled]
CPU Vcore --------------- 1.325 ---- : [1.35625]

CPU Termination --------- 1.2V* ----- : [1.2]
CPU PLL ----------------- 1.5V* ----- : [1.5]

CPU Reference ----------- .760V* ----- : [Auto]
CPU Reference2 ---------- N/A ----- : [Auto]

MCH/ICH
MCH Core ---------------- 1.2V ------- :
MCH Reference ----------- .760V ------- : [Auto]
MCH/DRAM Ref ------------ .900V ------ : [Auto]
ICH I/O ----------------- 1.5V ------- : [1.5]
ICH Core ---------------- 1.1V ------- : [1.1]
DRAM
DRAM Voltage ------------ 2.1V ------- :
DRAM Termination -------- .900V ------- : [Auto]
Channel A Reference ----- .900V ------- : [Auto]
Channel B Reference ----- .900V ------- : [Auto]

Advanced Settings
Limit CPUID Max. to 3 ------------------ : [Disabled]
No-Execute Memory Protect -------------- : [Enabled]
CPU Enhanced Halt (C1E) ---------------- : [Disabled]
C2/C2E State Support ------------------- : N/A
x C4/C4E State Support ----------------- : N/A
CPU Thermal Monitor 2 (TM2) ------------ : [Enabled]
CPU EIST Function --------------------- : [Disabled]
Virtualization Technology -------------- : [Disabled]

Integrated Peripherals
Legacy USB Storage Detect ------------- : [Disabled]

With the above settings the computer goes into an extended boot loop between the Gigabyte splash screen, a millisecond of a blue screen, then the Windows recovery screen asking how I desire to restart which I chose "Start Normally". Then the computer shuts completely down/off and restarts at which point I can get to desktop. Here is a ss of CPU-Z and ET6.



Hopefully the problem is something simple. The cpu oc's to 3.0 flawlessly with the 6400 ram, surely the mb should be able to do the same with the 8500. Thanks for the help.