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Thread: Ga-EP45-DS3R E8400




  1. #1
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    Default Ga-EP45-DS3R E8400

    hi, at the start, i'm form Poland so sory for my english :)

    i see that you help other in setup their bios. would you help with mine ?? i,ve just start compleeting my hardware and here it is:

    C2D8400

    GA-EP45DS3R

    Corsair DDRII Twin2X Dominator 2GB/1066 (2 x 1GB) CL5 (TWIN2X2048-8500C5D) 5-5-5-15 ref2.1v

    Gigabyte4850 512MB

    please please.

  2. #2
    Lsdmeasap's Avatar
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  3. #3
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    Default Re: Ga-EP45-DS3R E8400

    min 3.6, but i'd like reach to 4

  4. #4
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    Default Re: Ga-EP45-DS3R E8400

    actual i have these settings:

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 3.15Ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 350
    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)....................: 0
    MCH Clock Skew (ps)...................: 0


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: 333
    System Memory Multiplier ..............: 2.00B
    Memory Frequency (Mhz) ..............: 700
    DRAM Timing Selectable ................: [Manual]

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

    Advanced Timing Control
    tRRD...........................................4
    tWTR..........................................12
    tWR............................................14
    tRFC...........................................62
    tRTP...........................................6
    Command Rate (CMD) ....................:2

    Driving Strength Profiles
    Driving Strength ............................ set both channels 1066mhz

    Channel A
    Static tRead Value.........................:8
    tRD Phase0 Adjustment...................:Auto <<< 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
    Dimm2 Clock Skew Control...............:Auto

    Channel B
    Static tRead Value.........................:8
    tRD Phase0 Adjustment...................:Auto <<< 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
    Dimm2 Clock Skew Control...............:Auto

    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................:Auto
    CPU Termination…..... 1.200V*.......: set 1.2
    CPU PLL…………………....1.500V*.......: set 1.5
    CPU Referen.…………....0.7600V*.......: set 0.76
    CPU Reference2………,,0.800V*.......: i don't have

    MCH/ICH
    MCH Core…………….....1.100V...........: set 1.2
    MCH Reference….…….0.800V...........; auto
    MCH/DRAM Ref.…......0.900V...........: Auto
    ICH I/O……………….....1.500V............: Auto
    ICH Core…………...……1.100V............: Auto

    DRAM
    DRAM Voltage ……....1.800V............: set 2.0
    DRAM Termination .…0.900V............: Auto<<< Leave
    Channel A Reference 0.900V............: Auto<<< Leave
    Channel B Reference 0.900V............: Auto<<< Leave

    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Disabled]
    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]

  5. #5
    Lsdmeasap's Avatar
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    Default Re: Ga-EP45-DS3R E8400

    K, thanks.

    Here try this for 4Ghz >>>>

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 4Ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 450
    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)....................: 0
    MCH Clock Skew (ps)...................: 0


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: 400 << When you set this, Set all voltages, Static Tread high, and this ONLY and reboot then change the rest.

    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 900
    DRAM Timing Selectable ................: [Manual]

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

    Since above you are only using 900 Ram speed you can tighten the timings likely. If you would like a table with correct CPU Speed for 1066 Ram speed let me know and I will post

    Advanced Timing Control
    tRRD...........................................3-5
    tWTR..........................................3-5 (May only need 12 for first boot thru)
    tWR............................................4-7 (May only need 14 for first boot thru)
    tRFC...........................................52-62
    tRTP...........................................3-6
    Command Rate (CMD) ....................:2

    Driving Strength Profiles
    Driving Strength ............................ set both channels 1066mhz (1200 may work better )

    Channel A
    Static tRead Value.........................:(6/7-8 for 333 MCH) (8/9-10 for 400 MCH)
    tRD Phase0 Adjustment...................:Auto <<< 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
    Dimm2 Clock Skew Control...............:Auto

    Channel B
    Static tRead Value.........................:(6/7-8 for 333 MCH) (8/9-10 for 400 MCH)
    tRD Phase0 Adjustment...................:Auto <<< 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
    Dimm2 Clock Skew Control...............:Auto

    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................:Auto << This will have to be manually set. What you set will be about .6 less in windows at idle. So you may need more or less but set high so you can get booted thru then you can lower later. I would think about 1.38 or more would be good enough to boot thru, then you can lower later. 1.28 will be about 1.32 or so actual

    CPU Termination…..... 1.200V*.......: set 1.2 (Use 1.2-1.38 for 4Ghz)
    CPU PLL…………………....1.500V*.......: set 1.5-1.6
    CPU Referen.…………....0.7600V*.......: set 0.76 << this will self adjust once you change Termination
    CPU Reference2………,,0.800V*.......: i don't have

    MCH/ICH
    MCH Core…………….....1.100V...........: set 1.2 << may need more, but not likely with 2x1
    MCH Reference….…….0.800V...........; auto
    MCH/DRAM Ref.…......0.900V...........: Auto
    ICH I/O……………….....1.500V............: Auto
    ICH Core…………...……1.100V............: Auto

    DRAM
    DRAM Voltage ……....1.800V............: set 2.0-2.1
    Last edited by Lsdmeasap; 10-21-2008 at 02:28 AM.

  6. #6
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    Default Re: Ga-EP45-DS3R E8400

    thanks, but:

    let me get this straight..

    FIRST

    change (G) MCH to 400 -- Reboot -voltages and static thread - reboot - everything rest with tWTR=12 and tWR=14 - rebot - set tWTR and tWR lower - reboot ??

    by the way, memory multipler witch a have, has only D letter (in F10 bios, earlier i,v had all letters).. so.. i don't know

    i believe that high mhz in ram is better than timings, so it would be fine if you give me these tabels (settings, is it in the cpu-z in memory options ?? (spd))

  7. #7

    Default Re: Ga-EP45-DS3R E8400

    Quote Originally Posted by tommiyacht View Post
    thanks, but:

    let me get this straight..

    FIRST

    change (G) MCH to 400 -- Reboot -voltages and static thread - reboot - everything rest with tWTR=12 and tWR=14 - rebot - set tWTR and tWR lower - reboot ??

    by the way, memory multipler witch a have, has only D letter (in F10 bios, earlier i,v had all letters).. so.. i don't know


    i believe that high mhz in ram is better than timings, so it would be fine if you give me these tabels (settings, is it in the cpu-z in memory options ?? (spd))
    the multi letter is D cause the MCH LATCH is 400, it's ok that u have only D, but if u set MCH to auto u will have all letters, for 333 i think B&C and so on, so u dont have to worry about them.

  8. #8
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Ga-EP45-DS3R E8400

    Voltages and static tRead high and MCH and reboot. And then yes you can use lower twr/twtr after you get booted thru with everything. And you may not need a high twtr/twr I just suggested that incase you run into issues. Main things with MCH latch is you need a high enough tRD (Static tRead), and proper voltages of course, and to change as little as possible when you switch the MCH latch. You may be able to do it all at once, just wrote it for you that way incase you have issues.

    Memory Multi Letter depends on the MCH Latch you are using, your old board had Auto set for that which allowed you to choose by number/letter. Auto on your board now will do the same if you put MCH on Auto, but best to set it manually. Here is a Table with all the Multi/strap letters/symbols shown I posted for someone else >>>
    http://forums.tweaktown.com/f69/gott...27/#post263166

    That page has Symbols used instead of letters, so here is the letters for each Strap as well incase that confused you
    200/800 Strap = C
    266/1066 Strap = A
    333/1333 Strap = B
    400/1600 Strap = D

    Well, What I mean for higher ram speed would be a lower CPU multi so you can use a higher FSB and this have a faster ram speed when choosing a lower Memory Multi.

    So you would use something like this to get closer to 1066 Ram speed. You may have to use less or more then 4GHz to get it exactly 1066 and be stable, as 533 FSB may not be stable for you to use >>>

    CPU Clock Ratio ..........................:8
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 4Ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............:500

    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 1000

    Or
    CPU Clock Ratio ..........................:7
    Fine CPU Clock Ratio.....................:.5
    CPU Frequency ...........................: 4Ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............:533

    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 1066

  9. #9
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    Default Re: Ga-EP45-DS3R E8400

    Quote Originally Posted by Lsdmeasap View Post
    Voltages and static tRead high and MCH and reboot. And then yes you can use lower twr/twtr after you get booted thru with everything. And you may not need a high twtr/twr I just suggested that incase you run into issues. Main things with MCH latch is you need a high enough tRD (Static tRead), and proper voltages of course, and to change as little as possible when you switch the MCH latch. You may be able to do it all at once, just wrote it for you that way incase you have issues.

    Memory Multi Letter depends on the MCH Latch you are using, your old board had Auto set for that which allowed you to choose by number/letter. Auto on your board now will do the same if you put MCH on Auto, but best to set it manually. Here is a Table with all the Multi/strap letters/symbols shown I posted for someone else >>>
    http://forums.tweaktown.com/f69/gott...27/#post263166

    That page has Symbols used instead of letters, so here is the letters for each Strap as well incase that confused you
    200/800 Strap = C
    266/1066 Strap = A
    333/1333 Strap = B
    400/1600 Strap = D

    Well, What I mean for higher ram speed would be a lower CPU multi so you can use a higher FSB and this have a faster ram speed when choosing a lower Memory Multi.

    So you would use something like this to get closer to 1066 Ram speed. You may have to use less or more then 4GHz to get it exactly 1066 and be stable, as 533 FSB may not be stable for you to use >>>

    CPU Clock Ratio ..........................:8
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 4Ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............:500

    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 1000

    Or
    CPU Clock Ratio ..........................:7
    Fine CPU Clock Ratio.....................:.5
    CPU Frequency ...........................: 4Ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............:533

    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 1066
    well, straps are defninied for specific values, 200, 266 333 and 400, so what if i had 450 ??


    other mind

    i can reach higher RAM freq. with setting multipler e.g. 2.4, don't you think ?? unless it is not recommended for that fsb.

  10. #10
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    Default Re: Ga-EP45-DS3R E8400

    sory, not straps - multipliers (2nd word)

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