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Thread: EP45-UD3P with G.Skill F2-8500CL5D-4GBPK - No stable 1066




  1. #1
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    Question EP45-UD3P with G.Skill F2-8500CL5D-4GBPK - No stable 1066

    Hello Everyone,

    I have the Gigabyte EP45-UD3P mobo and F2-8500CL5D-4GBPK, this is 2 sticks of 2 gig memory Newegg.com - G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model F2-8500CL5D-4GBPK - Desktop Memory
    These are 5/5/5/15 2-2.1 voltage sticks.

    My processor is E8400.

    I have been through a lot of related posts on here and at G.Skill forums to try to get these stable at rated 1066 speed.

    I can not pass memtest86+ at 1066, but have tested each stick separately at 800 and they are fine. So it is the mobo BIOS settings in combination with this memory that can't seem to line up.

    Below is template of my latest try, this gets many errors in memtest but i can boot into XP ok. I will buy you a virtual beer if we can get these stable at 1066 Thanks.

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Fast
    CPU Clock Ratio ..........................: 9x
    Fine CPU Clock Ratio.....................:.+0.0
    CPU Frequency ...........................: 3.00Ghz (333x9)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 333Mhz
    PCI Express Frequency (Mhz) .........:100
    C.I.A.2 .................................:[Disabled]


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 800
    PCI Express Clock Drive.................: 900
    CPU Clock Skew (ps)....................: 0
    MCH Clock Skew (ps)...................: 100


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: [Profile1]
    (G)MCH Frequency Latch...............: [333MHz]
    System Memory Multiplier ..............: [3.20B]
    Memory Frequency (Mhz) ..............: 1066 1066
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................5 [5]
    tRCD .........................................5 [5]
    tRP'...........................................5 [5]
    tRAS..........................................15 [15]

    Advanced Timing Control
    tRRD...........................................4 [5]
    tWTR..........................................4 [12]
    tWR............................................13 [14]
    tRFC...........................................68 [68]
    tRTP...........................................4 [6]
    Command Rate (CMD) ....................:0 [2]

    Driving Strength Profiles
    Driving Strength ............................ [1066Mhz]

    Channel A
    Static tRead Value.........................:8 [9]
    tRD Phase0 Adjustment...................:0 Auto
    tRD Phase1 Adjustment...................:0 Auto
    tRD Phase2 Adjustment .................:0 Auto
    tRD Phase3 Adjustment..................:0 Auto
    Trd2rd(Different Rank)....................:8 Auto
    Twr2wr(Different Rank)...................:8 Auto
    Twr2rd(Different Rank)...................:7 Auto
    Trd2wr(Same/Diff Rank)..................:9 Auto
    Dimm1 Clock Skew Control...............:Auto
    Dimm2 Clock Skew Control...............:Auto
    Channel B
    Static tRead Value.........................:8 [9]
    tRD Phase0 Adjustment...................:0 Auto
    tRD Phase1 Adjustment...................:0 Auto
    tRD Phase2 Adjustment .................:0 Auto
    tRD Phase3 Adjustment..................:0 Auto
    Trd2rd(Different Rank)....................:8 Auto
    Twr2wr(Different Rank)...................:8 Auto
    Twr2rd(Different Rank)...................:7 Auto
    Trd2wr(Same/Diff Rank)..................:9 Auto
    Dimm1 Clock Skew Control...............:Auto
    Dimm2 Clock Skew Control...............:Auto

    Motherboard Voltage Control

    CPU
    Load-Line Calibration.....................: [Disabled]
    CPU Vcore….……….........................: 1.30000V [Auto]
    CPU Termination….........................: 1.200V [Auto]
    CPU PLL………………….......................: 1.500V [Auto]
    CPU Reference.…………....................: 0.760V [Auto]

    MCH/ICH
    MCH Core…………….........................: 1.100V [1.2]
    MCH Reference…...........................: 0.760 [Auto]
    MCH/DRAM Ref.…...........................: 0.900V [Auto]
    ICH I/O………………...........................: 1.500V [Auto]
    ICH Core…………..............................: 1.100V [Auto]

    DRAM
    DRAM Voltage ……...........................: 1.800V [2.000v]
    DRAM Termination ..........................: 0.900V [Auto]
    Channel A Reference ......................: 0.900V [Auto]
    Channel B Reference ......................: 0.900V [Auto]

    Advanced 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]

  2. #2
    Chike is offline Senior Member
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    Default Re: EP45-UD3P with G.Skill F2-8500CL5D-4GBPK - No stable 1066

    Does any of the sticks pass memtest86+ at 1066 seperately?
    Are you using memtest or memtest86+, what version?
    What board revision is it and what is the BIOS version?
    Try leaving advanced timings on auto, DRAM Voltage at spec or one notch below.
    Try MCH Core 1.22v then 1.24v if both won't work, try less, 1.05-0.95v.
    When stable, Static tRead Value 6 or 5 should be possible.

  3. #3
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    Default Re: EP45-UD3P with G.Skill F2-8500CL5D-4GBPK - No stable 1066

    Try this.

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Fast
    CPU Clock Ratio ..........................: 9x
    Fine CPU Clock Ratio.....................:.+0.0
    CPU Frequency ...........................: 3.00Ghz (333x9)
    
    
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled] 
    CPU Host Frequency (Mhz) ............: 333Mhz
    PCI Express Frequency (Mhz) .........:100
    C.I.A.2 .................................:[Disabled]
    
    
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................:  800
    PCI Express Clock Drive.................:  900
    CPU Clock Skew (ps)....................:  0 
    MCH Clock Skew (ps)...................:  100 
    
    
    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: [Profile1]
    (G)MCH Frequency Latch...............: [333MHz]
    System Memory Multiplier ..............: [3.20B]
    Memory Frequency (Mhz) ..............: 1066  1066
    DRAM Timing Selectable ................: [Manual]
    
    Standard Timing Control
    CAS Latency Time........................5 [5]
    tRCD .........................................5 [5]
    tRP'...........................................5 [5]
    tRAS..........................................15 [15]
    
    Advanced Timing Control
    tRRD...........................................4 [5]
    tWTR..........................................4 [12]
    tWR............................................13 [14]
    tRFC...........................................68 [68]
    tRTP...........................................4 [6]
    Command Rate (CMD) ....................:0 [2]
    
    Driving Strength Profiles
    Driving Strength ............................ [1066Mhz]
    
    Channel A
    Static tRead Value.........................:8 [9]
    tRD Phase0 Adjustment...................:0 Auto 
    tRD Phase1 Adjustment...................:0 Auto
    tRD Phase2 Adjustment .................:0 Auto
    tRD Phase3 Adjustment..................:0 Auto
    Trd2rd(Different Rank)....................:8 Auto 
    Twr2wr(Different Rank)...................:8 Auto 
    Twr2rd(Different Rank)...................:7 Auto 
    Trd2wr(Same/Diff Rank)..................:9 Auto 
    Dimm1 Clock Skew Control...............:Auto 
    Dimm2 Clock Skew Control...............:Auto 
    Channel B
    Static tRead Value.........................:8 [9]
     tRD Phase0 Adjustment...................:0 Auto 
     tRD Phase1 Adjustment...................:0 Auto
     tRD Phase2 Adjustment .................:0 Auto
     tRD Phase3 Adjustment..................:0 Auto
     Trd2rd(Different Rank)....................:8 Auto 
     Twr2wr(Different Rank)...................:8 Auto 
     Twr2rd(Different Rank)...................:7 Auto 
     Trd2wr(Same/Diff Rank)..................:9 Auto 
     Dimm1 Clock Skew Control...............:Auto 
     Dimm2 Clock Skew Control...............:Auto 
     
    Motherboard Voltage Control
    
    CPU
    Load-Line Calibration.....................: [Disabled]
    CPU Vcore….……….........................: 1.30000V [1.32v]
    CPU Termination….........................: 1.200V [1.22V]
    CPU PLL………………….......................: 1.500V [1.50V]
    CPU Reference.…………....................: 0.760V [0.757V]
    
    MCH/ICH
    MCH Core…………….........................: 1.100V [1.2V]
    MCH Reference…...........................: 0.760 [0.752V] 
    MCH/DRAM Ref.…...........................: 0.900V [0.900V+1 step,0.92-0.96v?]
    ICH I/O………………...........................: 1.500V [1.57V]
    ICH Core…………..............................: 1.100V [1.20V]
    
    DRAM
    DRAM Voltage ……...........................: 1.800V [2.000v]
    DRAM Termination ..........................: 0.900V [Auto]
    Channel A Reference ......................: 0.900V [Auto]
    Channel B Reference ......................: 0.900V [Auto]
    
    Advanced 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]
    Good luck and Merry xmas.
    1) Gigabyte EP45-UD3P (rev 1.1, bios F9) E8400 @445x9@1.2625v bios, TRUE 120, Scythe UltraKaze 44cfm, 4x2gb GSkill 8500, Visiontek 3870, Corsair TX850, Antec 900, Win7-64 Home.
    2) Gigabyte EP45-UD3P (rev 1.1, bios F9) E8400 @500x8.5@1.2875v bios, TRUE 120, Schythe UltraKaze 44 cfm, 4x2gb Buffalo FireStyx 8500, XFX 5770, Corsair AX850, CM Scout, WinXP Pro/Win 7-64 Home.
    3) Gigabyte P55A-UD4P (rev 1.0, bios F5) i5 750 @190x20@1.30625v bios, CM Hyper 212+, 4x2gb G.Skill Ripjaw 1600, 7900GS, Corsair TX750, CM Scout, Win7 Pro-64.
    4) Asus P8Z68-V Pro (bios 0801), i5-2500K @44x100@1.248v cpuz, Megahalem rev.B, 4x4gb GSkill Sniper 1600, Corsair AX850, Antec 902, Corsair Performance 3 128GB, Win7-64 Home.


  4. #4
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    Default Re: EP45-UD3P with G.Skill F2-8500CL5D-4GBPK - No stable 1066

    Chike/BombasticSloth, thanks for the input.
    I have mobo rev 1.6 with latest BIOS version FD.
    Am using Memtest86+ v1.7 to test. I have the sticks in slots 2 and 4.

    Will try your settings and report back. cheers.

  5. #5
    Chike is offline Senior Member
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    Default Re: EP45-UD3P with G.Skill F2-8500CL5D-4GBPK - No stable 1066

    Use the latest memtest86+. It is updated to support all latest chipsets CPUs/various cache sizes etc. This will exclude the possibiity you see errors that are simply not there and a result of software incompatibility.
    Latest version can be found in http://forums.tweaktown.com/f69/late...30/#post284762

  6. #6
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    Default Re: EP45-UD3P with G.Skill F2-8500CL5D-4GBPK - No stable 1066

    Hey guys, am using memtest86+ v4.0.

    Still got errors using Boombastic Sloth's settings.

    Chike, I then went to auto on advanced timings and tested many MCH Core/DRAM voltage pairings,stepped MCH Core up 1 increment from .95 to 1.38 on DRAM voltages stepped from 1.2 to 1.21.

    Errors on each settings unfortunately.

  7. #7
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    Default Re: EP45-UD3P with G.Skill F2-8500CL5D-4GBPK - No stable 1066

    The first thing I would do if it were me is to disable XMP. It's about as much use as a chocolate tea pot. With XMP enabled on my system with everything else on optomized defaults, my system is unstable. With timings and voltages etc set manually it is fine. The MCH clock skew also needs removing, it's not necessary at stock speeds.

    Set all advanced timings to auto except tRead which you should raise to 10 for both channels temporarily. Whether you will eventually be able to go as low as 5 is debatable and depends on other voltages as well as what the RAM is happy doing and the multiplier that needs to be used. 6-7 should certainly be OK.

    The kit is rated 2.0-2.1V so using the maximum of 2.1V is wise until everything is running properly.

    Give these settings a go after first re-loading Optimized Defaults, save and exit, then re-entering the BIOS:

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Fast
    CPU Clock Ratio ..........................: 9x
    Fine CPU Clock Ratio.....................:.+0.0
    CPU Frequency ...........................: 3.00Ghz (333x9)
    
    
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled] 
    CPU Host Frequency (Mhz) ............: 333Mhz
    PCI Express Frequency (Mhz) .........:100
    C.I.A.2 .................................:[Disabled]
    
    
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................:  800
    PCI Express Clock Drive.................:  900
    CPU Clock Skew (ps)....................:  0 
    MCH Clock Skew (ps)...................:  0 
    
    
    DRAM Performance Control
    Performance Enhance...................: [Standard]
    Extreme Memory Profile (X.M.P.).....: [Disabled]
    (G)MCH Frequency Latch...............: [333MHz]
    System Memory Multiplier ..............: [3.20B]
    Memory Frequency (Mhz) ..............: 1066  1066
    DRAM Timing Selectable ................: [Manual]
    
    Standard Timing Control
    CAS Latency Time........................5 [5]
    tRCD .........................................5 [5]
    tRP'...........................................5 [5]
    tRAS..........................................15 [15]
    
    Advanced Timing Control
    tRRD...........................................4 [Auto]
    tWTR..........................................4 [Auto]
    tWR............................................13 [Auto]
    tRFC...........................................68 [Auto]
    tRTP...........................................4 [Auto]
    Command Rate (CMD) ....................:0 [Auto]
    
    Driving Strength Profiles
    Driving Strength ............................ [1066Mhz]
    
    Channel A
    Static tRead Value.........................:8 [10]
    
    Channel B
    Static tRead Value.........................:8 [10]
     
    Motherboard Voltage Control
    
    CPU
    Load-Line Calibration.....................: [Disabled]
    CPU Vcore….……….........................: 1.30000V [Normal]
    CPU Termination….........................: 1.200V [1.20V]
    CPU PLL………………….......................: 1.500V [1.50V]
    CPU Reference.…………....................: 0.760V [0.760]
    
    MCH/ICH
    MCH Core…………….........................: 1.100V [1.24V] Also try up to 1.38V if needed.
    MCH Reference…...........................: 0.760 [0.760] 
    MCH/DRAM Ref.…...........................: 0.900V [Auto]
    ICH I/O………………...........................: 1.500V [1.57V]
    ICH Core…………..............................: 1.100V [1.20V]
    
    DRAM
    DRAM Voltage ……...........................: 1.800V [2.100v-2.14V] Check the PC Health
    Section and make sure VDIMM is showing at 2.1V, if it isn't, Adjust accordingly.
    DRAM Termination ..........................: 0.900V [Auto]
    Channel A Reference ......................: 0.900V [Auto]
    Channel B Reference ......................: 0.900V [Auto]
    
    Advanced 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] 
    Legacy USB Storage Detect............ [Disabled]
    If you still get errors at these settings, test each stick individually and in each DIMM slot using this template rather than at DDR800. It is perfectly possible for a marginal stick of RAM or a dodgy DIMM slot to be fine at one speed and faulty at another. You can also try the modules in slots 2&4 rather than 1&3 to see if that makes any difference, in fact I'd do that before testing individually as it's a quick way to identify a slot failure.
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  8. #8
    Chike is offline Senior Member
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    Default Re: EP45-UD3P with G.Skill F2-8500CL5D-4GBPK - No stable 1066

    MCH Core 1.38 is way too high, definately not needed for stock FSB.

    Load optimized defaults and with Performance Enhance standard (everything else auto) run memtest86+ on each stick individually in slot 2.
    Run one known good stick in slot 4.
    Maybe there's a faulty stick or slot.
    If both fail in both slots, try with XMP disabled (DDR-800).

    Are slots 1 & 3 unusable, blocked by CPU cooler?

  9. #9
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    Default Re: EP45-UD3P with G.Skill F2-8500CL5D-4GBPK - No stable 1066

    Am using slots 2 and 4, there is a known problem at G.Skill forums about slots 1 and 3 and these memory sticks. The G.Skill tech in this post points to the problem F2-8500CL5D-4GBPK + GIGABYTE GA-EP45-UD3P / R BIOS settings - GSKILL TECH FORUM

    I had problems posting from several BIOS settings when in 1 and 3, 2 and 4 do not give me the same BSODs.

    I tried Psycho's settings, getting errors. I will try testing individual sticks. This one is tough and the G.Skill guys says it may require a new BIOS update from Gigabyte. Don't know if they have fully testing all possible parameters with this combination.

  10. #10
    kick's Avatar
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    Default Re: EP45-UD3P with G.Skill F2-8500CL5D-4GBPK - No stable 1066

    xmp see if it works,it hasnt so can take it out of the equation., use the timings for it and enter them manually if you like .
    They should be on your memory sticker and some programs can detect the minor timings such as sandra etc.

    You say each stick works at 800. Have you tried all 4G together at 800?

    As said above youre trying a very high mch at stock fsb frequency.
    Ive nothing against 1.38-1.4 +v Mch personally.I need it and Ive run it that way for a year+.
    What voltage is actually being applied to your memory under load?

    bring your cpu ref up to 400 ie 1600fsb.clock back your cpu multiplier,run the memory on a 2:00 multiplier,either 2:00D or 2:00B at 800mhz,
    and see if it runs stable.
    You will /should be able to get max memory performance below 1066 mhz,admittedly not if you hold the cpu ref at 333mhz.
    Dont get hung up on the 1066 mem speed if there is a known problem with 4G,2x2Gb sticks,tho i havent noticed it in 1 and 3.
    If there is, either return the mem or the mbrd if u got to have 2 sticks running at 1066 no matter what.

    My gskill memory is 800 rated and could go 1030easily enough ,and I was thinking of going for "guaranteed 1066" stuff ,but ,i dont think it would do anything for my pc performance.
    By that i mean the lowest practical multiplier i could use at 2000 fsb(near cpu limit) would be 2.40B and would need v expensive ddr2 1200mhz memory for that even if its still available..The D multipliers are better at high fsb so would need 1300+ mhz ddr2 memory(santa cracked up at that one).

    With the 45 chipset you are going to get 9-10 Gb/s max bandwith it seems compared to i5/i7 on board memory interfaces but even if you want to hold your cpu speed down u can get memory performance up by increasing the fsb.

    http://forums.tweaktown.com/f69/q840...igh-fsb-37179/

    If your 2:00 multiplier works ok maybe try the 2.40B multlplier.
    Set Mch frequency latch on AUTO to try whatever multiplier you want.

    btw my mem is quoted /rated at 1.8-1.9 v ,2.2V is as high as im happy with, tho if it suddenly ran at 1200mhz with 2.32V id chance it ;)
    It will also do 900mhz with 4-4-4-12 timings at 2.1 V but it holds my performance back to have the fsb that low.
    Last edited by kick; 12-27-2009 at 06:08 AM.
    Current Systems:

    Asrock p67 Extreme6.............. Gigabyte EP-45 UD3 ...................... Gigabyte 73 PVM S2
    Intel i5 2500k 4.8ghz................ Intel Q8400 3.8ghz......................... Intel D820 2.8ghz
    Zalman 10x cooler.................... Coolermaster V8............................ HP cooler
    8GB Gskill ripjaw ddr3.............. 4GB Gskill PI ddr2.......................... 4GB samsung ddr2
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    GTX 460 1GB x2 SLI ................. Msi 9600GT 512MB(died) ........... Onboard gx
    Win7 64 ,750w psu(ocz)............ Win7 64 ,520w psu,seasonic...... Win XP pro ,400w psu

    HEC 6A34 case . ....................... Jeantec R2 case............................ Packard Bell case

    hoping to upgrade to http://www.thinkgeek.com/stuff/41/habicase.shtml
    http://www.flixya.com/video/140325/Animal-launching

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