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Thread: Bios settings advice! (Please)




  1. #1
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    Default Bios settings advice! (Please)

    Hello, I have recently assembled a new PC for my older brother using a Gigabyte GA-EP45-UD3R. Other hardware below:

    *Two WD SATA 7200 rpm hard drives
    *3 GHZ Intel dual core CPU
    *4 gigs Corsair DDR 2 800 RAM
    *Radeon HD 4830
    *Onboard sound

    I am just wanting a little help with the best settings in the bios. Here is what I have done so far. I had to manually set up the CPU to run at it's factory specs of 3GHZ. FSB set at 333, and multiplier set at 9.

    My RAM appears to be running correctly with everything set at auto. That would be 5 5 5 18, and 1.8 volts. That's what the RAM sticks read on the side too.

    I also disabled smart fan, and am controlling the CPU fan manually with the controller that came with the Zalman cooler.

    I have also disabled the floppy drive since the PC does not have one.

    Ok, the above are my basic settings. The system boot great, and I have loaded Vista 64 business, and all the system drivers. I have also installed some of the software that my bro wanted installed. Everything runs great.

    What other things should I be looking at in the bios?? He does not want to do any over clocking. I have went through the instruction book, and read what each bios feature does. I'm thinking I'm pretty close to having it set up correctly.

    Any advice??


  2. #2
    Lsdmeasap's Avatar
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    Default Re: Bios settings advice! (Please)

    Well since you had to manually set the CPU sounds like you did not load optimized defaults. That is something you have to do on a new build or anytime after you flash the BIOS.

    After you do this you will set your ram voltage only, then save/apply/reboot BACK to the BIOS as you will then need to set all your SATA/Disk settings again and anything else you want to set.

    I can give you a full set of suggested timings and settings, is that what you want only stock non overclocked settings right?

  3. #3
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    Default Re: Bios settings advice! (Please)

    Quote Originally Posted by Lsdmeasap View Post
    Well since you had to manually set the CPU sounds like you did not load optimized defaults. That is something you have to do on a new build or anytime after you flash the BIOS.

    After you do this you will set your ram voltage only, then save/apply/reboot BACK to the BIOS as you will then need to set all your SATA/Disk settings again and anything else you want to set.

    I can give you a full set of suggested timings and settings, is that what you want only stock non overclocked settings right?
    Yes, no overclocking. My brother does not want to do that at all. So yes, only stock.

    So first I should go back in the bios and set optimized settings and save?

    Then RAM voltage. Then you can assist with other settings??
    Last edited by Keizer; 11-25-2008 at 12:18 AM.

  4. #4
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    Default Re: Bios settings advice! (Please)

    Yeah you should load optimized defaults and start again since you did not. Be sure you do go back to the BIOS before windows to set your disk settings again.

    So yes load optimized, then go into MIT and set your ram voltage and then save/apply/reboot BACK to the BIOS.

    Here would be optimal ranges for all your settings with no overclock >>>

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto or Fast
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 3.00Ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled] < or disabled if you like
    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...............: [Auto]
    System Memory Multiplier ..............: 2.40B
    Memory Frequency (Mhz) ..............: 800
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................18

    These below are ranges, set to highest first and lower one at a time testing with Memtest86+ as you go. If you dont want to go thru all of that Auto will be fine for most but will not be the best performance for sure. At least find and set the best trfc if you want to leave the rest in auto. Also find the lowest Static Tread you can use as that is a huge performance setting


    Advanced Timing Control
    tRRD...........................................3-4
    tWTR..........................................3-6
    tWR............................................4-6
    tRFC...........................................52-62
    tRTP...........................................3-5
    Command Rate (CMD) ....................:2

    Driving Strength Profiles
    Driving Strength ............................800-1066

    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 Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................: Auto
    CPU Termination…..... 1.200V*.......: <<< Leave in Auto
    CPU PLL…………………....1.500V*.......: << Please set to stock, Auto overvolts this way to much

    CPU Referen.…………....0.755V*.......: <<< .64% Of Vtt (Termination above) Auto Will set this correctly

    CPU Reference2………,,0.800V*.......:<<< .67% Of Vtt (Termination above) Auto Will set this correctly

    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.14-1.28 <<< Often needed for stable 2x2GB, have you tested this setup yet with memtest86+? If not here it is (Use 2.01 as 2.10 is a bit buggy and he is working on 2.11 to be ready very soon, older then 2.01 versions will not work properly) >>>
    http://www.memtest.org/#downiso

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

    DRAM
    DRAM Voltage ……....1.800V............: 1.8-1.9V Or Auto
    DRAM Termination .…0.900V............: <<< Leave
    Channel A Reference 0.900V............: <<< Leave
    Channel B Reference 0.900V............: <<< Leave

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    Default Re: Bios settings advice! (Please)

    Wow, I really appreciate the work you did here. Thank you very much. I will let you know how it all works out!!

  6. #6
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    Default Re: Bios settings advice! (Please)

    Good luck, and dont give up if you run into issues! You can do it, it just may take a while longer then it looks.

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    Default Re: Bios settings advice! (Please)

    Quote Originally Posted by Lsdmeasap View Post
    These below are ranges, set to highest first and lower one at a time testing with Memtest86+ as you go. If you dont want to go thru all of that Auto will be fine for most but will not be the best performance for sure. At least find and set the best trfc if you want to leave the rest in auto. Also find the lowest Static Tread you can use as that is a huge performance setting


    Advanced Timing Control
    tRRD...........................................3-4
    tWTR..........................................3-6
    tWR............................................4-6
    tRFC...........................................52-62
    tRTP...........................................3-5
    Command Rate (CMD) ....................:2

    Driving Strength Profiles
    Driving Strength ............................800-1066

    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
    Ok, I have everything set so far until I get to the above info. So I will start with a question or two.

    First of all, on the "Advanced timing control, mine looks like some of the numbers are already on the low end. Here's what it shows.

    tRRD 3 [Auto]....should I bump this to 4 and run mem test, and then lower to 3 if it looks good?

    tWTR 3 [Auto]......same as above, should I set this to 6 and work down?

    tWR 6 [Auto] Looks like this is the high setting you recommend, and I should try and go down from there using mem test??

    tRFC 42 [Auto] This one is way off from the range you suggested. So set at 62, and try and go down from there using mem test?

    tRTP 3 [Auto] Looks like this is the low end of the range you suggested. Should I start at 5, and work my way down then?

    Command Rate (CMD) 0 [Auto] So set this at 2 correct?


    My next question is about Driving Strength Profiles.

    Here's what I have:

    Driving strength profile [Auto] So, you show a range of 800-1066 above. Do I set this at 1066, and try to work down to 800??

    Also under Driving strength profile, there are allot of other settings. Like "Data driving pull up level" "Cmd Driving pull up level" etc. All these are set to auto. Do I leave them like that??

    I'm sure I will have more questions.

  8. #8
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    Default Re: Bios settings advice! (Please)

    Quote Originally Posted by Keizer View Post
    Ok, I have everything set so far until I get to the above info. So I will start with a question or two.

    First of all, on the "Advanced timing control, mine looks like some of the numbers are already on the low end. Here's what it shows.

    tRRD 3 [Auto]....should I bump this to 4 and run mem test, and then lower to 3 if it looks good?

    tWTR 3 [Auto]......same as above, should I set this to 6 and work down?

    tWR 6 [Auto] Looks like this is the high setting you recommend, and I should try and go down from there using mem test??

    tRFC 42 [Auto] This one is way off from the range you suggested. So set at 62, and try and go down from there using mem test?

    tRTP 3 [Auto] Looks like this is the low end of the range you suggested. Should I start at 5, and work my way down then?

    Command Rate (CMD) 0 [Auto] So set this at 2 correct?
    Yeap, your thoughts above are spot on.

    Quote Originally Posted by Keizer View Post
    My next question is about Driving Strength Profiles.

    Here's what I have:

    Driving strength profile [Auto] So, you show a range of 800-1066 above. Do I set this at 1066, and try to work down to 800??

    Also under Driving strength profile, there are allot of other settings. Like "Data driving pull up level" "Cmd Driving pull up level" etc. All these are set to auto. Do I leave them like that??

    I'm sure I will have more questions.
    You should test both driving strength profiles with a memory benchmark utility once you get the rest set and stable.

    As for the rest, yes leave on auto for now. You can play with adjusting those later if you like.

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