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Thread: A little help with my EP45-DS3R Please




  1. #1
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    Default A little help with my EP45-DS3R Please

    Hi all,

    Overclocking has been something I've been very interested in getting into and I figure now is as good as time as any. I am no expert at motherboard settings, and this is my very first gigabyte board, so I will really be going with the advice given to me on how far I can take it. Thanks for any help in advance!

    System Specs:

    Gigabyte GA-EP45-DS3R.

    Intel E8500 processor w/ Rosewill RCX-Z3 92mm Ball CPU Cooler, and an 80mm fan blowing in underneath the part of the motherboard where the cpu is socketed.

    2 sets of G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800, 8GB of ram total. 5-5-5-15. 1.8 ~ 1.9v

    Gigabyte 4850 1gb
    750W PS
    500gb WD Sata 3.0 gbs
    6, 120mm fans, 3 blowing in 3 out.

    Currently installing Windows Vista Ultimate 64bit, will post BIOS settings after I flash the bios.

    I guess for the the time being, until I'm fully up and running, I only have a few questions. I was reading through the sticky on ram adjustments and I was wondering what will be sweet spot for voltages and such for the ram I have. The sticky sort of cut off, unless I missed something, after it told how much was needed for 2 x 1gb, 2 x 2gb, and so on. I know there is probably a pattern to the settings, but I didn't want to throw them out there and mess something up. Then I'd really feel dumb .

    Also about how far can I reasonably overclock my proccessor and such with this setup? Just curious I like to set goals, and give myself something to get excited about!

  2. #2
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    Default Re: A little help with my EP45-DS3R Please

    Finally up and running on Vista Ultimate 64 bit with the bios flashed to F10.

    No problems all 8gb ram was detected.

    Now I just need some guidance on an OC. I'd very much appreciate it!

    Here are my BIOS settings:

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [Auto]
    CPU Clock Ratio ..........................: [ 9 X]
    Fine CPU Clock Ratio.....................:.[+0.5]
    CPU Frequency ...........................: 2.53 GZ (266x9 .5)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: [266]
    PCI Express Frequency (Mhz) .........:Set to 100

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


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


    DRAM Performance Control
    Performance Enhance...................: [Turbo]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............: [2.00b]
    Memory Frequency (Mhz) ..............: 800 533
    DRAM Timing Selectable ................: [Manual]

    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

    Driving Strength Profiles
    Driving Strength ............................ Auto

    Channel A
    Static tRead Value.........................: Auto
    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.........................: Auto
    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….……….........................:
    CPU Termination…..... 1.200V*.......: <<< Leave
    CPU PLL…………………....1.500V*.......: <<< Leave
    CPU Referen.…………....0.755V*.......: <<< .64% Of Vtt (Termination above)
    CPU Reference2………,,0.800V*.......:<<< .67% Of Vtt (Termination above)

    MCH/ICH
    MCH Core…………….....1.100V...........: Auto
    MCH Reference….…….0.800V...........; Auto
    MCH/DRAM Ref.…......0.900V...........: Auto
    ICH I/O……………….....1.550V............: Auto
    ICH Core…………...……1.100V............: Auto

    DRAM
    DRAM Voltage ……....1.800V............: 1.900V
    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]

    Integrated Peripherals
    Legacy USB Storage Detect ..............[Disabled] *Note* Must be enabled to flash from USB

  3. #3
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: A little help with my EP45-DS3R Please

    I would suggest you use 1.9-2.0 for that ram if/when you overclock, less at stock speeds though. Some ram will do 850-900 or more with only 1.9-2.0 though, so you will just have to test it out. And of course it will also depend on how tight your timings are. You will need to add some MCH voltage for 2x4GB of ram, 1.25-1.3 will do maybe more though.

    With that board, CPU and ram you can do 4GHz easily. You may need a better cooler to do more, or keep 4Ghz at respectable temps though. Not sure about my comment there though, I have not heard much of this fan. it is the 92MM fan on it that makes me think it may not cool so well

  4. #4
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    Default Re: A little help with my EP45-DS3R Please

    Sorry, posted before I had seen your comment. What speed do you plan to run?

    This need to come to Standard before you start any overclocking >>>
    Performance Enhance...................: [Turbo]

    Let me know what CPU speed you want to try and I will post you back some ranges

  5. #5
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    Default Re: A little help with my EP45-DS3R Please

    I'd like to try 4.0ghz. It's running about 36C idle. I guess I'd just have to monitor the temps closely, but If you think 4ghz may be a little high for that then I'll go by your recommendation for taking it as high as I can safely. I'll make sure to change the settings you mentioned.
    Last edited by JLB2414; 10-20-2008 at 12:27 AM.

  6. #6
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    Default Re: A little help with my EP45-DS3R Please

    4Ghz should be easy, but yeah watch your temps. Here these should get you going at 4Ghz pretty easily >>>

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [Fast]
    CPU Clock Ratio ..........................: [ 9 X]
    Fine CPU Clock Ratio.....................:.[0.5]
    CPU Frequency ...........................: 4.03GZ (425x9.5)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: [425]
    PCI Express Frequency (Mhz) .........:Set to 100

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


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: [800mV]
    PCI Express Clock Drive.................: [900mV]
    CPU Clock Skew (ps)....................: [0-50ps] << May not be needed, test it out later for stability.
    MCH Clock Skew (ps)...................: [100-250+ps] << may need at least 100-150 for 8GB, test stability of more/less later


    DRAM Performance Control
    Performance Enhance...................: [Standard]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [400] << You may try 333 but do it later. I suggest you set voltages, then High Static tRead, This And Memory Multiplier ONLY and reboot to change the rest. Point being is try to make as little changes as you can when changing this. If you like you may set static tread, voltages and reboot and then set this and memory multi and reboot for the rest, dont forget memory multi as when you change this it will go to Auto and at 400 + FSB that may be 1000+ ram and if you dont notice it you wont know why you are not booting

    System Memory Multiplier ..............: [2.00D]
    Memory Frequency (Mhz) ..............: 850
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................ [5]
    tRCD ......................................... [5]
    tRP'........................................... [5]
    tRAS.......................................... [15/18]

    Set all highest Below (Including Highest Static tRead) and then later lower one at a time testing between each move for stability. If you move to many at once then test you will never know which is causing your errors.

    Advanced Timing Control
    tRRD........................................... 3-6
    tWTR.......................................... 3-6 (Will need 12-14 to boot thru first time, maybe more. Set 14 first and see )
    tWR............................................ 4-6 (Will need 14-16 to boot thru first time, maybe more. Set 14 first and see )

    tRFC........................................... 52(65-75)
    tRTP........................................... 3-6
    Command Rate (CMD) ....................: 2

    Driving Strength Profiles
    Driving Strength ............................ 800-1066 (I find one higher then ram speed being used it best, but test both to be sure)

    Channel A
    Static tRead Value.........................: 6-7 (333 MCH latch) 8-12 (400 MCH Latch)
    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.........................: 6-7 (333 MCH latch) 8-12 (400 MCH Latch)
    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….……….........................: << all up to you and your chip. There is about a .6 drop from BIOS to windows so keep that in mind. I use 1.38 Set in the BIOS for mine at 4Ghz, which is about 1.325 in windows at idle. You may need more or less depending on your chip.

    CPU Termination…..... 1.200V*.......: <<< 1.24-1.34
    CPU PLL…………………....1.500V*.......: <<< 1.5-1.6
    CPU Referen.…………....0.755V*.......: <<< .64% Of Vtt (Termination above)
    CPU Reference2………,,0.800V*.......:<<< .67% Of Vtt (Termination above)

    MCH/ICH
    MCH Core…………….....1.100V...........: 1.2-1.35
    MCH Reference….…….0.800V...........; Auto
    MCH/DRAM Ref.…......0.900V...........: Auto
    ICH I/O……………….....1.550V............: 1.55-1.6
    ICH Core…………...……1.100V............: 1.2-1.3

    DRAM
    DRAM Voltage ……....1.800V............: 1.900V -2.00V

  7. #7
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    Default Re: A little help with my EP45-DS3R Please

    Thanks very much, I'll be testing this out shortly.

    Also, what is the minimum that I should be running Orthos/Memtest while lowering each individual setting?

  8. #8
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    Default Re: A little help with my EP45-DS3R Please

    With the highest settings I managed to boot into Vista, but I failed 3 minutes into Orthos under load I was running about 59C according to Core Temp, and 54 to Real Temp .
    Last edited by JLB2414; 10-21-2008 at 08:28 AM.

  9. #9
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    Default Re: A little help with my EP45-DS3R Please

    Well you should always run memtest86+ for at least 20-30 minutes on test 5 or 7 as you are tweaking. Orthos does not need to be ran at all until you are sure your Memory Is tweaked as you want it finally and fully (Overnight) memtest stable. Then you would run orthos to test CPU and CPU/Ram stability. Since you ram would them be fully 100% stable if orthos fails you will know you need to adjust your CPU or other settings. I run orthos fro 8-24 hours, all up to you.

    Booting into windows is good, failing cores quickly likely means you need more CPU voltage, but you can't be sure until you are positive your ram is stable, if so add more vcore

  10. #10
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    Default Re: A little help with my EP45-DS3R Please

    Alright, I'll start on Memtest. There were a few things on your list to change that I couldn't find even after pressing control+F1, such as cpu reference2, and ICH Core.

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