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Thread: ep45-ds3 400FSB OK but not 433FSB!!!???




  1. #1
    Join Date
    Nov 2008
    Posts
    18

    Default ep45-ds3 400FSB OK but not 433FSB!!!???

    Hi,

    I have been reseting bios ### number of times lately...and I am getting really tired of doing that.... and also a bit afraid of destroying something.

    My rig : ->
    Ep45-ds3
    Q9550 E0 stepping
    Corsair ddr2 800 Mhz 444-12 @ 2.1 V OFFICIAL rating

    I can get it to run at 3.4 Ghz (400 fsb) but NOT on 3.68 Ghz (433 fsb). At 433 fsb windows starts up but as soon as I run prime95 it crashes quite directly. Please help me, I am tired and desperate.

    By the way, getting it to run at 400 fsb with 4-4-4-12 timing I can achive without increasing any voltage (just setting cpu volt to 2.25, dram to 2.1 and the rest of the settings from auto to the fixed values, where applicable).

    To reach 400 fsb I did the following basically (dont know how to get all info copied and pasted in here like others do...so I have to write from the top of my head ).

    Loaded optimized defaults.
    Turned of all powersaving stuff, like EIST C1E...
    Set CPU volt to 2.25 (not auto but same as VID I guess)
    Set PCI freq to 100 (not auto but default I guess)
    C.I.A2 disabled
    Performace enhance I set to lowest...or something like that
    X.M.P disabled
    MCH freq latch to 400
    System memory multiplier (SPD) set so that it shows 800 as result...
    DRAM timing set to manual where I set 4-4-4-12.
    DRAM Volt I increased to 2.1 (as it states on the memories). Increasing it further to 2.2x didn't help at 443 fsb. Have not tried 2.3v.
    MCH I doesnt matter if I have 1.1 or 1.3 when running 400 fsb but having 1.3 does not help 433 fsb.

    With the above (which I have as typing now and running prime) works ok... (1 hour now running prime )...but when I do the single change in bios of FSB to 433 I cannot get prime to work (but windows starts up). Then I have to reset bios to get the computer to work.

    I am getting desperat here...please help me. I really want to go higher than 400 fsb which I think shouldnt be any problem really...or???? Must be something that I am missing here...

    Thanks
    Peter.

    PS1. I tried running 433 fsb with relaxed timings of the mem as well...like more than 5-5-5-18 (it was auto, something like 6..6...20 cpuz reported), but it failed as well.

    PS2. I have updated from bios F7 to latest F9 as well but no difference in results.

    PS3. The temps that realtemp/cpuid hw monitor (43,42,41,42)/(48,47,46,47) show as max in centigrade celcius aren't very high during prime...

    PS4. When going from 400 fsb to 433 I did 410 and 420 before. 410 was ok without any volt change. 420 I had to inc cpu and mch volt to 1.3 and 1.16. However looking back maybe I was a bit to fast, I don't know if it really was stable, I didn't run that much prime really....

    PS5. Running at 400 fsb and 444-12 really seems OK so far.

    Again....please help me to get further with my computer and thanks for this forum!!!

    Peter.

  2. #2
    Join Date
    Nov 2008
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    18

    Default Re: ep45-ds3 400FSB OK but not 433FSB!!!???

    Filled in the settings I have....

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 8
    Fine CPU Clock Ratio.....................:.0.5
    CPU Frequency ...........................: 3.68 (433x8.5)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 433Mhz
    PCI Express Frequency (Mhz) .........:Set to 100

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


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: no change
    PCI Express Clock Drive.................: no change
    CPU Clock Skew (ps)....................: no change
    MCH Clock Skew (ps)...................: no change


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [400]
    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 800 866
    DRAM Timing Selectable ................: [Manual]

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

    Advanced Timing Control (no changes)
    tRRD...........................................
    tWTR..........................................
    tWR............................................
    tRFC...........................................
    tRTP...........................................
    Command Rate (CMD) ....................:

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

    Channel A
    Static tRead Value.........................:
    tRD Phase0 Adjustment...................:
    tRD Phase1 Adjustment...................:
    tRD Phase2 Adjustment .................:
    tRD Phase3 Adjustment..................:
    Trd2rd(Different Rank)....................:
    Twr2wr(Different Rank)...................:
    Twr2rd(Different Rank)...................:
    Trd2wr(Same/Diff Rank)..................:
    Dimm1 Clock Skew Control...............:
    Dimm2 Clock Skew Control...............:

    Channel B
    Static tRead Value.........................:
    tRD Phase0 Adjustment...................:
    tRD Phase1 Adjustment...................:
    tRD Phase2 Adjustment .................:
    tRD Phase3 Adjustment..................:
    Trd2rd(Different Rank)....................:
    Twr2wr(Different Rank)...................:
    Twr2rd(Different Rank)...................:
    Trd2wr(Same/Diff Rank)..................:
    Dimm1 Clock Skew Control...............:
    Dimm2 Clock Skew Control...............:

    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................: 1.30
    CPU Termination…..... 1.200V*.......: auto

    CPU PLL…………………....1.500V*.......: auto

    CPU Referen.…………....0.755V*.......: auto


    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.2
    MCH Reference….…….0.76V...........; auto
    MCH/DRAM Ref.…......0.900V...........: auto
    ICH I/O……………….....1.500V............: auto

    DRAM
    DRAM Voltage ……....1.800V............: 2.1
    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] Enabled if you use Vmware/Virtual PC

  3. #3
    Join Date
    Nov 2008
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    18

    Default Re: ep45-ds3 400FSB OK but not 433FSB!!!???

    Hi again...the last thing before I have to go to bed....late here now..

    I tried to relax the timing from 444-12 to 555-18. All this as fsb 433. It did not help. Prime crashed event at 555-18 at 433 fsb.

    Thanks
    peter.

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    PCB Island
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    Default Re: ep45-ds3 400FSB OK but not 433FSB!!!???

    Give me a link to your ram please

    And if you have not please test each stick one by one with memtest86+ (Must be this 2.01 version linked) >>>
    Memtest86+ - Advanced Memory Diagnostic Tool

    Do this test with manually set main timings, manually set speed to stock, performance enhance on standard, manually set ram voltage and everything else on auto.

    This test is to let you know if maybe you have a faulty stick of ram

    But in the end I think you are leaving FAR to many settings on Auto to try to overclock as you are. I will help you once you get me your ram link and test your ram

  5. #5
    Join Date
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    18

    Default Re: ep45-ds3 400FSB OK but not 433FSB!!!???

    Hi Lsdmeasap,

    Thank's for taking time to help me! I really appriciate it. The amount of people you help here at the forum is amazing...really nice!!

    Here is a link to the memory ->
    Welcome to Corsair :: Memory Configurator
    and it is the enthusiast "TWIN2X4096-6400C4DHX".

    Here is also a link to a site where there is a picture of it as well ->
    Corsair XMS2 DHX TwinX DDR2 PC6400/800MHz CL4 2x2GB (TWIN2X4096-6400C4DHX) - Hitta lägsta pris, omdömen och information om DDR2-minnen

    If you are interested, here is also a link to a review page where they check o/c capability ->
    Overclock3D.Net :: Review :: Corsair XMS2 DHX PC2-6400 4GB Kit :: Test Setup, Settings & Overclocking


    I did run memtest once (from bootable dos flash usb) directly after I put the computer together. That was not at 444-12 and 400 fsb for sure. It was whatever bios version F7 (not latest) as default gave me. I think remembering it was 555-18 and 333 fsb....probably 4:5 ratio'ed though since I saw that in cpu-z first time I got into windows. Memtest passed at that time.

    Maybe that memtest run is OK to conclude that the memories are OK?

    FYI, I have tried before to change basically all settings to manual instead of auto when I got 400fsb working, and then, tried to go from 400fsb to 433 but failed. I suspect that setting everything to manual is not the way when reading posts where you helped others. Maybe some has to be auto?

    Do you think it's a good idea to load optimised defaults again? Then get it to run at 400 fsb (1:1 ratio) again, run prime and maybe a 3dmark vantage and then post a nice and *complete* settings of the bios. Or should I start with memtest as you mention?

    Thanks alot
    Peter.

  6. #6
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: ep45-ds3 400FSB OK but not 433FSB!!!???

    Well if you only ran it once then no. I suggest you test each stick by themselves for 10 passes each to be sure

    Yes, some Auto for sure. I would memtest and then start with optimized (Dont forget to set your disk settings again)

    And then start over with attempting to overclock.

    Try this for your overclock at 433 FSB >>>>
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 8
    Fine CPU Clock Ratio.....................:.0.5
    CPU Frequency ...........................: 3.68 (433x8.5)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 433Mhz
    PCI Express Frequency (Mhz) .........:Set to 100

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


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: no change
    PCI Express Clock Drive.................: no change
    CPU Clock Skew (ps)....................: no change
    MCH Clock Skew (ps)...................: no change 50-150


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [400]
    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 800 866
    DRAM Timing Selectable ................: [Manual]

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

    Set all below to highest and then lower one at a time testing as you go

    Advanced Timing Control (no changes)
    tRRD...........................................3-5
    tWTR..........................................3-6 (set 12 for first boot thru, then you can go to the lower range right away, Same applies to tWR)

    tWR............................................4-6 (See above, use 14)
    tRFC...........................................52-62 (Set 68 first)
    tRTP...........................................3-6
    Command Rate (CMD) ....................:2

    Driving Strength Profiles
    Driving Strength ............................800-1066 (1066 may be better)

    Channel A
    Static tRead Value.........................:8-10
    tRD Phase0 Adjustment...................:
    tRD Phase1 Adjustment...................:
    tRD Phase2 Adjustment .................:
    tRD Phase3 Adjustment..................:
    Trd2rd(Different Rank)....................:
    Twr2wr(Different Rank)...................:
    Twr2rd(Different Rank)...................:
    Trd2wr(Same/Diff Rank)..................:
    Dimm1 Clock Skew Control...............:
    Dimm2 Clock Skew Control...............:

    Channel B
    Static tRead Value.........................:8-10
    tRD Phase0 Adjustment...................:All Auto below for both channels
    tRD Phase1 Adjustment...................:
    tRD Phase2 Adjustment .................:
    tRD Phase3 Adjustment..................:
    Trd2rd(Different Rank)....................:
    Twr2wr(Different Rank)...................:
    Twr2rd(Different Rank)...................:
    Trd2wr(Same/Diff Rank)..................:
    Dimm1 Clock Skew Control...............:
    Dimm2 Clock Skew Control...............:

    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................: 1.30 << may need far more, some p45 boards this is only about 1.24 in windows.

    CPU Termination…..... 1.200V*.......: auto ,<<< 1.2-1.3

    CPU PLL…………………....1.500V*.......: auto << Manually set to stock

    CPU Referen.…………....0.755V*.......: auto


    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.2-1.3 (Also try stock)
    MCH Reference….…….0.76V...........; auto
    MCH/DRAM Ref.…......0.900V...........: auto
    ICH I/O……………….....1.500V............: auto

    DRAM
    DRAM Voltage ……....1.800V............: 2.1
    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] Enabled if you use Vmware/Virtual PC

  7. #7
    Join Date
    Nov 2008
    Posts
    18

    Default Re: ep45-ds3 400FSB OK but not 433FSB!!!???

    Hi again,

    Below is what I got in bios when loaded optimised defaults. I didn't change anything, just started windows and have now been running prime for 1 hours 37 minutes (mixed).

    Here is a screenshot of Prime, HW monitor, cpu-z and Realtemp.
    Flickr Photo Download: OptimisedDefaultsPrime

    I must say that I am a bit surprised since the mem (5:4 ratio) is running 444-12 at 400MHz at 1.8V? Has to be with the memory timing settings I guess.

    Now I will go and change to 433 fsb with your suggested settings. I'll be back with status and what the bios looks like after I did the changes.

    Thanks a lot, Peter.

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 8
    Fine CPU Clock Ratio....................: 0.5
    CPU Frequency .............................: 2.83 (333x8.5)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Disabled]
    CPU Host Frequency (Mhz) ............: 333Mhz
    PCI Express Frequency (Mhz) .........: Auto

    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.).....: Auto
    (G)MCH Frequency Latch...............: Auto
    System Memory Multiplier ..............: Auto
    Memory Frequency (Mhz) ..............: 800 800
    DRAM Timing Selectable ................: Auto

    Standard Timing Control
    CAS Latency Time........................4 (auto)
    tRCD .........................................4 (auto)
    tRP'...........................................4 (auto)
    tRAS..........................................12 (auto)

    Set all below to highest and then lower one at a time testing as you go

    Advanced Timing Control
    tRRD...........................................3 (auto)
    tWTR..........................................3 (auto)
    tWR............................................8 (auto)
    tRFC...........................................52 (auto)
    tRTP...........................................3 (auto)
    Command Rate (CMD) ....................0 (auto)

    Channel A Timing Settings
    Static tRead Value.........................: 7 (auto)
    tRD Phase0 Adjustment...................: 0 (auto)
    tRD Phase1 Adjustment...................: 0 (auto)
    tRD Phase2 Adjustment .................: 0 (auto)
    tRD Phase3 Adjustment..................: 0 (auto)
    Trd2rd(Different Rank)....................: 6 (auto)
    Twr2wr(Different Rank)...................: 6 (auto)
    Twr2rd(Different Rank)...................: 5 (auto)
    Trd2wr(Same/Diff Rank)..................: 8 (auto)
    Dimm1 Clock Skew Control...............: auto
    Dimm2 Clock Skew Control...............: auto
    DDR Write Training............................ auto

    Channel A Driving Settings
    x Driving Strength Profile.................... auto
    x Data Driving Pull-Up Level.............. auto
    x Cmd Driving Pull-Up Level.............. auto
    x Ctrl Driving Pull-Up Level.............. auto
    x Clk Driving Pull-Up Level.............. auto

    x Data Driving Pull-Down Level.............. auto
    x Cmd Driving Pull-Down Level.............. auto
    x Ctrl Driving Pull-Down Level.............. auto
    x Clk Driving Pull-Down Level.............. auto


    Channel B Timing Settings
    Static tRead Value.........................: 7 (auto)
    tRD Phase0 Adjustment...................: 0 (auto)
    tRD Phase1 Adjustment...................: 0 (auto)
    tRD Phase2 Adjustment .................: 0 (auto)
    tRD Phase3 Adjustment..................: 0 (auto)
    Trd2rd(Different Rank)....................: 6 (auto)
    Twr2wr(Different Rank)...................: 6 (auto)
    Twr2rd(Different Rank)...................: 5 (auto)
    Trd2wr(Same/Diff Rank)..................: 8 (auto)
    Dimm1 Clock Skew Control...............: auto
    Dimm2 Clock Skew Control...............: auto
    DDR Write Training............................ auto

    Channel B Driving Settings
    x Driving Strength Profile.................... auto
    x Data Driving Pull-Up Level.............. auto
    x Cmd Driving Pull-Up Level.............. auto
    x Ctrl Driving Pull-Up Level.............. auto
    x Clk Driving Pull-Up Level.............. auto

    x Data Driving Pull-Down Level.............. auto
    x Cmd Driving Pull-Down Level.............. auto
    x Ctrl Driving Pull-Down Level.............. auto
    x Clk Driving Pull-Down Level.............. auto


    Motherboard Voltage Control
    Voltage Type.………...Normal Current
    CPU
    CPU Vcore….……….........................: 1.25000V [Auto]
    CPU Termination…..... 1.200V.......: [Auto]
    CPU PLL…………………....1.500V.......: [Auto]
    CPU Referen.…………....0.760V.......: [Auto]


    MCH/ICH
    MCH Core…………….....1.100V...........[Auto]
    MCH Reference….…….0.76V...........; [Auto]
    MCH/DRAM Ref.…......0.900V...........: [Auto]
    ICH I/O……………….....1.500V............: [Auto]

    DRAM
    DRAM Voltage ……....1.800V............: [Auto]
    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)................: [Enabled]
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Enabled]
    Virtualization Technology................: [Enabled]

  8. #8
    Join Date
    Nov 2008
    Posts
    18

    Default Re: ep45-ds3 400FSB OK but not 433FSB!!!???

    Hi again,

    I tried 433fsb, but no luck at all. Windows started but crashed directly. I didn't have any chance to do anything in windows. Computer restarted and I could enter bios without having to clear CMOS though. Bios didn't tell me that there was something wrong either.

    Here is the bios settings I had.

    Thanks
    Peter.

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 8
    Fine CPU Clock Ratio....................: 0.5
    CPU Frequency .............................: 3.68 (433x8.5)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enables]
    CPU Host Frequency (Mhz) ............: 433Mhz
    PCI Express Frequency (Mhz) .........: 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)...................: 100ps


    DRAM Performance Control
    Performance Enhance...................: [Standard]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: 400
    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 800 866
    DRAM Timing Selectable ................: Manual

    Standard Timing Control
    CAS Latency Time........................5 [4]
    tRCD .........................................5 [4]
    tRP'...........................................5 [4]
    tRAS..........................................18 [12]

    Advanced Timing Control
    tRRD...........................................3 [5]
    tWTR..........................................3 [12]
    tWR............................................6 [14]
    tRFC...........................................52 [68]
    tRTP...........................................3 [6]
    Command Rate (CMD) ....................0 [2]
    Channel A Timing Settings
    Static tRead Value.........................: 10 [10]
    tRD Phase0 Adjustment...................: 0 (auto)
    tRD Phase1 Adjustment...................: 0 (auto)
    tRD Phase2 Adjustment .................: 0 (auto)
    tRD Phase3 Adjustment..................: 0 (auto)
    Trd2rd(Different Rank)....................: 6 (auto)
    Twr2wr(Different Rank)...................: 6 (auto)
    Twr2rd(Different Rank)...................: 5 (auto)
    Trd2wr(Same/Diff Rank)..................: 8 (auto)
    Dimm1 Clock Skew Control...............: auto
    Dimm2 Clock Skew Control...............: auto
    DDR Write Training............................ auto
    Channel A Driving Settings
    x Driving Strength Profile.................... 1066MHz
    x Data Driving Pull-Up Level.............. auto
    x Cmd Driving Pull-Up Level.............. auto
    x Ctrl Driving Pull-Up Level.............. auto
    x Clk Driving Pull-Up Level.............. auto
    x Data Driving Pull-Down Level.............. auto
    x Cmd Driving Pull-Down Level.............. auto
    x Ctrl Driving Pull-Down Level.............. auto
    x Clk Driving Pull-Down Level.............. auto
    Channel B Timing Settings
    Static tRead Value.........................: 10 [10]
    tRD Phase0 Adjustment...................: 0 (auto)
    tRD Phase1 Adjustment...................: 0 (auto)
    tRD Phase2 Adjustment .................: 0 (auto)
    tRD Phase3 Adjustment..................: 0 (auto)
    Trd2rd(Different Rank)....................: 6 (auto)
    Twr2wr(Different Rank)...................: 6 (auto)
    Twr2rd(Different Rank)...................: 5 (auto)
    Trd2wr(Same/Diff Rank)..................: 8 (auto)
    Dimm1 Clock Skew Control...............: auto
    Dimm2 Clock Skew Control...............: auto
    DDR Write Training............................ auto
    Channel B Driving Settings
    x Driving Strength Profile.................... [1066 MHz]
    x Data Driving Pull-Up Level.............. auto
    x Cmd Driving Pull-Up Level.............. auto
    x Ctrl Driving Pull-Up Level.............. auto
    x Clk Driving Pull-Up Level.............. auto
    x Data Driving Pull-Down Level.............. auto
    x Cmd Driving Pull-Down Level.............. auto
    x Ctrl Driving Pull-Down Level.............. auto
    x Clk Driving Pull-Down Level.............. auto

    Motherboard Voltage Control
    Voltage Type.………...Normal Current
    CPU
    CPU Vcore….……….........................: 1.25000V [1.30000V]
    CPU Termination…..... 1.200V.......: [1.300V]
    CPU PLL…………………....1.500V.......: [1.500V]
    CPU Referen.…………....0.760V.......: [Auto]


    MCH/ICH
    MCH Core…………….....1.100V...........[1.300V]
    MCH Reference….…….0.76V...........; [Auto]
    MCH/DRAM Ref.…......0.900V...........: [Auto]
    ICH I/O……………….....1.500V............: [Auto]

    DRAM
    DRAM Voltage ……....1.800V............: [2.100V]
    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]

  9. #9
    Join Date
    Nov 2008
    Posts
    18

    Default Re: ep45-ds3 400FSB OK but not 433FSB!!!???

    Hi,

    It feels like I am spamming you...but I want to give you more info.

    I tested this. Loaded back optimised defaults and setup bios according to my knowledge to run 400fsb. Windows started...here is a pic of it idling

    Flickr Photo Download: Running400fsb_idle

    and here is when I just started prime

    Flickr Photo Download: Running400fsb_prime

    I will continue to run prime for a while...I will be back on how it goes.

    Here is the bios settings

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 8
    Fine CPU Clock Ratio....................: 0.5
    CPU Frequency .............................: 2.83 (333x8.5) >>> 3.4 (400x8.5)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Disabled] >>> Enabled
    CPU Host Frequency (Mhz) ............: 333Mhz >>> 400
    PCI Express Frequency (Mhz) .........: Auto >>> 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] >>> Standard
    Extreme Memory Profile (X.M.P.).....: Auto >>> Disabled
    (G)MCH Frequency Latch...............: Auto >>> 400
    System Memory Multiplier ..............: Auto >>> 2.00D
    Memory Frequency (Mhz) ..............: 800 800
    DRAM Timing Selectable ................: Auto >>> Manual

    Standard Timing Control
    CAS Latency Time........................4 (auto) >>> 5 [4]
    tRCD .........................................4 (auto) >>> 5 [4]
    tRP'...........................................4 (auto) >>>5 [4]
    tRAS..........................................12 (auto) >>> 18 [12]

    Advanced Timing Control
    tRRD...........................................3 (auto)
    tWTR..........................................3 (auto)
    tWR............................................6 (auto)
    tRFC...........................................52 (auto)
    tRTP...........................................3 (auto)
    Command Rate (CMD) ....................0 (auto)

    Channel A Timing Settings
    Static tRead Value.........................: 10 (auto)
    tRD Phase0 Adjustment...................: 0 (auto)
    tRD Phase1 Adjustment...................: 0 (auto)
    tRD Phase2 Adjustment .................: 0 (auto)
    tRD Phase3 Adjustment..................: 0 (auto)
    Trd2rd(Different Rank)....................: 6 (auto)
    Twr2wr(Different Rank)...................: 6 (auto)
    Twr2rd(Different Rank)...................: 5 (auto)
    Trd2wr(Same/Diff Rank)..................: 8 (auto)
    Dimm1 Clock Skew Control...............: auto
    Dimm2 Clock Skew Control...............: auto
    DDR Write Training............................ auto

    Channel A Driving Settings
    x Driving Strength Profile.................... auto
    x Data Driving Pull-Up Level.............. auto
    x Cmd Driving Pull-Up Level.............. auto
    x Ctrl Driving Pull-Up Level.............. auto
    x Clk Driving Pull-Up Level.............. auto

    x Data Driving Pull-Down Level.............. auto
    x Cmd Driving Pull-Down Level.............. auto
    x Ctrl Driving Pull-Down Level.............. auto
    x Clk Driving Pull-Down Level.............. auto


    Channel B Timing Settings
    Static tRead Value.........................: 10 (auto)
    tRD Phase0 Adjustment...................: 0 (auto)
    tRD Phase1 Adjustment...................: 0 (auto)
    tRD Phase2 Adjustment .................: 0 (auto)
    tRD Phase3 Adjustment..................: 0 (auto)
    Trd2rd(Different Rank)....................: 6 (auto)
    Twr2wr(Different Rank)...................: 6 (auto)
    Twr2rd(Different Rank)...................: 5 (auto)
    Trd2wr(Same/Diff Rank)..................: 8 (auto)
    Dimm1 Clock Skew Control...............: auto
    Dimm2 Clock Skew Control...............: auto
    DDR Write Training............................ auto

    Channel B Driving Settings
    x Driving Strength Profile.................... auto
    x Data Driving Pull-Up Level.............. auto
    x Cmd Driving Pull-Up Level.............. auto
    x Ctrl Driving Pull-Up Level.............. auto
    x Clk Driving Pull-Up Level.............. auto

    x Data Driving Pull-Down Level.............. auto
    x Cmd Driving Pull-Down Level.............. auto
    x Ctrl Driving Pull-Down Level.............. auto
    x Clk Driving Pull-Down Level.............. auto


    Motherboard Voltage Control
    Voltage Type.………...Normal Current
    CPU
    CPU Vcore….……….........................: 1.25000V [Auto] >>> 1.25000V [1.25000V]
    CPU Termination…..... 1.200V.......: [Auto] >>> 1.200V [1.200V]
    CPU PLL…………………....1.500V.......: [Auto] >>> 1.500V [1.500V]
    CPU Referen.…………....0.760V.......: [Auto] >>> 0.760V [0.760V]


    MCH/ICH
    MCH Core…………….....1.100V...........[Auto] >>>1.100V [1.100V]
    MCH Reference….…….0.76V...........; [Auto] >>> 0.760V [0.760V]
    MCH/DRAM Ref.…......0.900V...........: [Auto] >>> 0.900V [0.900V]
    ICH I/O……………….....1.500V............: [Auto] >>> 1.500V [1.500V]

    DRAM
    DRAM Voltage ……....1.800V............: [Auto] >>> 1.800V [2.100V]
    DRAM Termination .…0.900V............: [Auto] >>> 0.900V [0.900V]
    Channel A Reference 0.900V............: [Auto] >>> 0.900V [0.900V]
    Channel B Reference 0.900V............: [Auto] >>> 0.900V [0.900V]

    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [Enabled] >>> Disabled
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Enabled] >>> Disabled
    Virtualization Technology................: [Enabled] >>> Disabled

  10. #10
    Join Date
    Nov 2008
    Posts
    18

    Question Re: ep45-ds3 400FSB OK but not 433FSB!!!???

    Hi, I am back again

    I ran more than a hour prime (blend) without any crash. Now I switched to small fft and continue to run.

    Here is a pic of the situation. Check the CPU volt! 1.152 according to CPU-Z when running small fft in Prime. It was 1.168 when running larger fft though.

    Flickr Photo Download: Running400fsb_primeForOneHourSmallFFTNow

    What should I do now to be able to reach 433fsb? Maybe crank up the CPU volt to start with....hehe.

    Thanks
    Peter.

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