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Thread: booting in overclocked mode not possible




  1. #21
    Join Date
    Aug 2008
    Posts
    23

    Default Re: booting in overclocked mode not possible

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............:Auto
    CPU Clock Ratio ..........................:9X
    Fine CPU Clock Ratio.....................:0
    CPU Frequency ...........................:3,64ghz (405x9)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 405Mhz
    PCI Express Frequency (Mhz) .........: 100Mhz


    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...................: standard
    Extreme Memory Profile (X.M.P.).....: Disabled (this entry doesn't exist)
    (G)MCH Frequency Latch...............: 333
    System Memory Multiplier ..............: 2.00B
    Memory Frequency (Mhz) ..............: 810
    DRAM Timing Selectable ................: [Manual]

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

    Advanced Timing Control [Press Enter]
    tRRD........................................... auto but shows 4
    tWTR.......................................... auto but shows 5
    tWR............................................ auto but shows 6
    tRFC........................................... auto but shows 42
    tRTP........................................... auto but shows 5
    Command Rate (CMD) ....................: 2
    Channel A
    Static tRead Value.........................:auto (changing manually to 8 results in not being able to boot)
    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 (changing manually to 8 results in not being able to boot)
    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….……….........................: 1,32500
    CPU Termination…..... 1.200V*.......: 1,2
    CPU PLL…………………....1.500V*.......: auto
    CPU Referen.…………....0.755V*.......: auto
    CPU Reference2………,,0.800V*.......: (does not exist)

    MCH/ICH
    MCH Core…………….....1.100V...........: 1,16
    MCH Reference….…….0.800V...........; auto
    MCH/DRAM Ref.…......0.900V...........: auto
    ICH I/O……………….....1.550V............: auto
    ICH Core…………...……1.100V............: auto

    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)................: [enabled]
    C2/C2E State Support....................: [enabled]
    x C4/C4E State Support..................: [enabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [enabled]
    Virtualization Technology................: [enabled]


    i hope this is the information you requested.

    To describe my problem better, i can run at 3,00 ghz without any problem.
    now i set 3,64 ghz. turning my pc off for 5 minutes and then on again works fine. But turning my pc off for about 25 minutes and then on again, it tries to boot but makes 3 false boot attempts. Then it boots with 333*9=3 ghz. When i enter the bios it shows a screen that overclocking failed but all settings still are as i set them. even the cpu frequency is set as 405*9=3,64ghz.

    Does this mean that it boots with 3ghz but then when i enter the bios it shows my own values?
    Last edited by tweekdown; 08-29-2008 at 05:56 AM.

  2. #22
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
    Join Date
    Jan 2008
    Location
    PCB Island
    Posts
    25,940

    Default Re: booting in overclocked mode not possible

    Yeah 3 boots means something is not right.

    I see you have many Settings Enabled that you should Disable for overclocking, they are pointed out below


    Try this >>>
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............:Auto
    CPU Clock Ratio ..........................:9X
    Fine CPU Clock Ratio.....................:0
    CPU Frequency ...........................:3,64ghz (405x9)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 405Mhz
    PCI Express Frequency (Mhz) .........: 100Mhz


    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...................: standard
    Extreme Memory Profile (X.M.P.).....: Disabled (this entry doesn't exist)
    (G)MCH Frequency Latch...............: 333 <<< Try 400 yet?
    System Memory Multiplier ..............: 2.00B
    Memory Frequency (Mhz) ..............: 810
    DRAM Timing Selectable ................: [Manual]

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

    Advanced Timing Control [Press Enter]
    tRRD........................................... auto but shows 4
    tWTR.......................................... auto but shows 5
    tWR............................................ auto but shows 6
    tRFC........................................... auto but shows 42
    tRTP........................................... auto but shows 5
    Command Rate (CMD) ....................: 2
    Channel A
    Static tRead Value.........................:auto (changing manually to 8 results in not being able to boot)
    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 (changing manually to 8 results in not being able to boot)
    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….……….........................: 1,32500
    CPU Termination…..... 1.200V*.......: 1,2
    CPU PLL…………………....1.500V*.......: auto
    CPU Referen.…………....0.755V*.......: auto
    CPU Reference2………,,0.800V*.......: (does not exist)

    MCH/ICH
    MCH Core…………….....1.100V...........: 1,16 <<< Have you tried 1.2?
    MCH Reference….…….0.800V...........; auto
    MCH/DRAM Ref.…......0.900V...........: auto
    ICH I/O……………….....1.550V............: auto
    ICH Core…………...……1.100V............: auto

    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)................: [enabled] <<< Must be disabled
    C2/C2E State Support....................: [enabled] <<< Must be disabled
    x C4/C4E State Support..................: [enabled] <<< Must be disabled
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [enabled] <<< Must be disabled
    Virtualization Technology................: [enabled]

    I think once you disable the above you will have MUCH better luck with things

  3. #23
    Join Date
    Aug 2008
    Posts
    23

    Default Re: booting in overclocked mode not possible

    Ok,

    this morning i turned on my pc then -> 3 times boot -> 3ghz -> bios-> setting 3,64ghz and mch from 1,16V to 1,18V-> 3 false boot -> setting mch vcore from 1,18 to 1,20 -> 3 false boot -> setting ram timings from 4-4-4-15 to auto -> 3 false boot -> setting mch vcore back to 1,16V and ram timings to 4-4-4-15 and changing from 333 to 400 mch latch and voila it booted up successfully. So it only works with 400 latch, weird is that mch latch 333 works when my pc is warm and did run some time before changing back to 333.

    I'll then try to set these cxE states off and disable also eist.


    But if i leave the setting at mch latch 400 i have to get along with twice booting as described in the German gigabyte forum:
    Code:
    It is known and often discussed, that setting some oc values in bios may lead to
     once on-off-on -problem at cold boot (psu without power)
    This behavior isn't serious but may be nerving.
    It is connected with the ram-multi and cpu-strap.
    Because the strapping cannot be saved when the psu is powerless, the mch must be
     reprogrammed->power on -> reprogramming strap -> reset -> new boot up with changed strap. 
    As long as the psu isn't powerless the set strap is kept.
    I did translate this quote and tried to give the gist of it.
    I hope you can understand my quoted text, because i'm a German guy whose English might not be the best.
    Last edited by tweekdown; 08-29-2008 at 04:53 PM.

  4. #24
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
    Join Date
    Jan 2008
    Location
    PCB Island
    Posts
    25,940

    Default Re: booting in overclocked mode not possible

    yeah right at 400 FSb or above you will likely need 400 Set for MCH latch. I believe I suggested 400 to you one page one.

    As for the Double reboot, it should not always be that way just when you first make the change. It shouldn't happen on each reboot. But then again I do not have P45 yet so I am not sure about all it's quirks

    You likely need more MCH voltage such as 1.3+ and it wont happen

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