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Thread: E8400 + Gigabyte EP45-DS3L




  1. #1
    Join Date
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    Default E8400 + Gigabyte EP45-DS3L

    Hi all. I have a ga-ep45-ds3l motherboard and E8400 currently at 3.76ghz.
    I just can't get it any higher without raising the voltage, and THAT wasn't stable when I tried. Sorry for not having pictures. The computer I'm asking for help right now isn't with me. It would be great if you guys could help me out.

    Gigabyte EP45-DS3L
    E8400
    Thermalright ULTRA-120 Extreme cooler
    2x2 G.SKILL PC2-8000 ram

    At no load, according to realtemp, its 46 degrees~
    on load, its 58 degrees~
    it's on 1.3625volts right now.

    heres my specs:

    Robust Graphics Booster ..: <st1:stockticker>AUTO</st1:stockticker> <o:p></o:p>
    CPU Clock Ratio .: 9
    Fine CPU Clock Ratio..:.0 na
    CPU Frequency ..: 418
    <o:p> </o:p>
    <o:p> </o:p>
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control.....: [Enabled]
    CPU Host Frequency (Mhz) ..: 418 Mhz
    PCI Express Frequency (Mhz) ...:100
    <o:p> </o:p>
    C.I.A.2 .......:[Disabled]
    <o:p> </o:p>
    <o:p> </o:p>
    Advanced Clock Control [Press Enter]
    <st1:street><st1:address>CPU Clock Drive</st1:address></st1:street>........: 900
    <st1:street><st1:address>PCI Express Clock Drive</st1:address></st1:street>.....: 900
    CPU Clock Skew (ps).......: ?
    <st1:stockticker>MCH</st1:stockticker> Clock Skew (ps)......: ?
    <o:p> </o:p>
    <o:p> </o:p>
    <st1:stockticker>DRAM</st1:stockticker> Performance Control
    Performance Enhance.......: [standard ]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)<st1:stockticker>MCH</st1:stockticker> Frequency Latch....: [Auto]
    System Memory Multiplier ....: 2.00D
    Memory Frequency (Mhz) ..(.800 ) 740
    <st1:stockticker>DRAM</st1:stockticker> Timing Selectable ..........(SPD): [Manual]
    <o:p> </o:p>
    Standard Timing Control
    <st1:stockticker>CAS</st1:stockticker> Latency Time....5
    tRCD .... 5 <o:p></o:p>
    tRP'...... 5
    tRAS...15
    <o:p> </o:p>
    Advanced Timing Control
    tRRD... auto
    tWTR...... auto
    tWR....... auto
    tRFC...... auto
    tRTP.............. auto
    Command Rate (CMD) ......:2
    <o:p> </o:p>
    Driving Strength Profiles
    Driving Strength ....... n/a
    <o:p> </o:p>
    Channel A
    Static tRead Value..........:8
    tRD Phase0 Adjustment...: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
    <o:p> </o:p>
    Channel B
    Static tRead Value.......:7-10
    tRD Phase0 Adjustment....:
    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
    <o:p> </o:p>
    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….…......: 1.3625
    CPU Termination….: 1.4
    CPU <st1:stockticker>PLL</st1:stockticker>…………………....Forgot this one but I think it's around 1.4?
    CPU Referen.…………....0.755V*.......: n/a
    CPU Reference2………,,0.800V*.......:auto
    <st1:stockticker>MCH</st1:stockticker>/<st1:stockticker>ICH</st1:stockticker>
    <st1:stockticker>MCH</st1:stockticker> Core…………….....1.2
    <st1:stockticker>MCH</st1:stockticker> Reference….……. I think 1 notch higher than 0.76
    <st1:stockticker>MCH</st1:stockticker>/<st1:stockticker>DRAM</st1:stockticker> Ref.…......0.900V....: n/a
    <st1:stockticker>ICH</st1:stockticker> I/O……………….....1.55
    <st1:stockticker>ICH</st1:stockticker> Core…………...……Forgot sorry. I know it's higher than 1.2 though.
    <o:p> </o:p>
    <st1:stockticker>DRAM</st1:stockticker>
    <st1:stockticker>DRAM</st1:stockticker> Voltage ……....2.020
    <st1:stockticker>DRAM</st1:stockticker> 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] N/A
    x C4/C4E State Support..........: [Disabled] N/A
    CPU Thermal Monitor 2(TM2) .....: [Enabled]
    CPU EIST Function.................: [Disabled]
    Virtualization Technology.........: [Disabled]<o:p>
    Last edited by bluerice; 12-12-2008 at 10:33 AM.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: E8400 + Gigabyte EP45-DS3L

    Hmm, well I assume you want 4Ghz right? If so you just need some voltage and some other minor changes.

    First of all, what you set for Vcore is not what you get in windows so check this amount difference with CPU-z. And some chips of course need more then others, but I have not seen any that need 1.36 Actual for 4Ghz, but you are likely only using about 1.3 or so actual right now. I set 1.38xx for 1.32 actual on my board, but all boards differ and so will your difference at various voltage settings.

    See if this helps you any >>>>

    Robust Graphics Booster ..: AUTO or fast
    CPU Clock Ratio .: 9
    Fine CPU Clock Ratio..:.0.0 << See, this is why my comment below on driving strength is valid. You either did not load optimized defaults for your CPU, or you are using a way old BIOS. Either way I think optimized was never loaded for sure because you should for sure see this, but you should update your BIOS anyway as it may be also to old to have the driving strengths. DO NOT USE @BIOS, see here for how to Qflash >>>
    http://forums.tweaktown.com/f69/bios...h-guide-27576/

    CPU Frequency ..: 4.05


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control.....: [Enabled]
    CPU Host Frequency (Mhz) ..: 450 Mhz
    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).......: 50
    MCH Clock Skew (ps)......: 50-150


    DRAM Performance Control
    Performance Enhance.......: [standard ]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch....: [Auto]
    System Memory Multiplier ....: 2.00D
    Memory Frequency (Mhz) ..(.800 ) 804
    DRAM Timing Selectable ..........(SPD): [Manual]

    Standard Timing Control
    CAS Latency Time....4/5
    tRCD .... 4/5
    tRP'...... 4/5
    tRAS...12/15

    444-12 @ 800-850 / 555-12/15/18 @ 900+

    ^^ Since you are underclocking this ram you can use 444-12 above likely for sure ^^

    Set the below ones to all the highest values shown first then later you can lower slowly testing with Memtest86+ as you go >>
    http://www.memtest.org/#downiso

    Advanced Timing Control
    tRRD... 3-4
    tWTR...... 3-6 (Set 12 first, then go right to lower range)
    tWR....... 4-6 (Set 14 first, then go right to lower range)
    tRFC...... 52-62 (Set 68 first then go right to lower range)
    tRTP.............. 3-5
    Command Rate (CMD) ......:2

    Driving Strength Profiles
    Driving Strength ....... 800-1066 << Are you using the latest BIOS? This should be in your BIOS. If you are using the latest, did you load optimized defaults after you flashed? If not you MUST Do this. Load Optimized defaults, set your ram voltage only and save/apply/reboot BACK to the BIOS. You will then need to set all your SATA/Disk settings again and then all this page over as well. You should find this setting here in this BIOS page >>>



    If you are not finding them, please try the hotkey. On the MAIN Page of the BIOS press Control + F1 and the screen will flash, then go into MIT and see if you find them

    Channel A
    Static tRead Value..........:8/9-12 << Start with 9-10 should be fine (A & B Should match)

    tRD Phase0 Adjustment...: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.......:8/9-12 << Start with 9-10 should be fine
    tRD Phase0 Adjustment....: 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
    Voltage Type.………... Manual
    CPU
    CPU Vcore….…......: 1.3625 << maybe more, maybe less... see above notes

    CPU Termination….: 1.24-1.36 (Less then Vcore for sure) I use 1.34 for 1.32 actual vcore

    CPU PLL…………………....1.5 << Set manually to stock 1.5
    CPU Reference2………,,0.800V*.......:auto

    MCH/ICH
    MCH Core…………….....1.2-1.3 (1.24-1.28 likely good)
    MCH Reference….……. Auto

    ICH I/O……………….....1.55-1.6
    ICH Core…………...……1.1x-1.2

    DRAM
    DRAM Voltage ……....2.0-2.1
    DRAM Termination .…0.900V...: auto
    Channel A Reference 0.900V...: auto
    Channel B Reference 0.900V....: auto

  3. #3
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    Default Re: E8400 + Gigabyte EP45-DS3L

    Thanks :)

    For the Fine CPU Ratio.. it's 0.0+ my bad.
    I just used someone else's template and added in my specs. I don't have my computer with me right now but I remembered most of my settings.

    also I'm used the F8 bios and I did load optimized settings.

    Do you think I should go to the F10 bios?

    PS: I think it's 1.32v after vdroop
    PPS: I'd like to get my ram up to 1000. Is it possible since the stock is 1000Mhz?
    Last edited by bluerice; 12-06-2008 at 04:08 PM.

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: E8400 + Gigabyte EP45-DS3L

    Ahh OK. I knew that should for sure be there

    Ya, I would go ahead and go to F9 or F10

    Well if you use 2.66 Ram Multi it will be at 1069Mhz, otherwise you would need to lower your FSB or make other adjustments to get 1000 exact. Like use the 8 CPU Multi and 500 FSB with 2.00D ram multiplier.

    You can likely run 1069 at 555-18 though with 2.0-2.1V anyway. Give it a shot after you get the above going

  5. #5
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    Default Re: E8400 + Gigabyte EP45-DS3L

    Hey Lsdmeasap, can you please help me with some other settings...
    The settings you gave me didn't work. It didn't post at all.

    And the weird thing was that my old settings for my previous clock (3.76ghz) didn't work anymore. My old clock settings got me into windows but once I stress tested it, it didn't pass 1min of orthos small fft. And I also had some blue screens.

    Here's some observations I found during my oc today:

    -There wasn't an ICH core
    -My antec 1200 LEDS flashed really fast 2-3times when failed OC (when my old OC failed, wasn't that fast)
    -Had a few blue screens
    -Sometimes, picture wouldn't show on screen even when I restarted. Had to manually turn off computer and boot again
    -When successfully got into windows (old clock settings), it either lagged (worse than stock speed) or just froze.
    -Don't have DRAM termination, channel A&B ref.
    -CPU PLL can only be set at 1.55, no choice for 1.5

    Here's some extra info that might help:
    -C0 stepping
    -F8 bios
    -the voltage in cpu-z always changes 1.31/1.32
    -60 degrees under 100% load
    -highest voltage I used was 1.3625v

    Thank for reply in advance :)

    PS: the highest safe voltage = 1.3625 is for bios right ?
    Last edited by bluerice; 12-12-2008 at 11:14 AM.

  6. #6
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: E8400 + Gigabyte EP45-DS3L

    Sounds like you need more volts for sure! Ya, that is intel spec's limit, but keep in mind what you set in the BIOS will not be actual voltage used. Check that amount with CPU-z

    Are you using the latest BIOS yet, and did you load and apply/save/reboot optimized defaults after you flashed this time?

    I would need to see your FULL settings you tried to really say what may or may not be wrong

    The settings you mention that you do not have are fine, they would just be fixed set values that I would suggest you left anyway, the ref voltages I mean.

    About PLL, what do you mean you can only set 1.55? Do you not have voltage adjustments at all for that? If not then just set to what you can, just so Auto is not used

  7. #7
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    Default Re: E8400 + Gigabyte EP45-DS3L

    I'm still using the F8 bios because I'm afraid of bricking my mobo if i try to flash to something higher. But yes, I did load optimized settings and did the instructions you gave me.

    I got some advice to up the vcore to 1.4 but yeah sure, if it doesn't work, i'll get a list of my settings for you.

    Sorry about the PLL thing. I meant I could only choose like Auto, 1.55,1.65,1.75 that kind of thing ending with 5's.

    I think i have something that might prevent me from going further though. At 1.3625volts full load, its 60degrees.

    I heard you're not suppose to go past 70degrees.

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