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Thread: Problem accessing BIOS with GA-P43-ES3G (rev. 1.1)




  1. #1
    Bobolink1970 is offline Junior Member
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    Default Problem accessing BIOS with GA-P43-ES3G (rev. 1.1)

    For some reason I cannot access the BIOS of above mobo anymore by simply pressing DELETE while booting.
    The BIOS can only be accessed after a CLEAR CMOS.
    It does seem to save all its settings though.
    The CMOS battery is brand new but that obviously is no solution to my problem.

    Although it is not a major issue since everything is running fine, I would like to know if there might be a solution to this problem?
    GA-P43-ES3G (rev. 1.1)
    Bios F14
    Intel Core2 Quad 9550s @2,86 GHz
    Scythe Mugen 2 rev. B
    4 x 2 GB ddr2 1066 Mhz Kingston HyperX @ 5-5-5-15
    AMD Radeon HD6850 Sapphire 1024MB
    Seasonic M12 500 watt
    Windows 7 Home Premium 64-bit

  2. #2
    profJim's Avatar
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    Default Re: Problem accessing BIOS with GA-P43-ES3G (rev. 1.1)

    Welcome to the forum.

    What is the brand and model number of your keyboard?

    Can you borrow a different keyboard to test with?

    Are you using an external usb hub? IF yes, what devices are connected to the hub?

    Have you made any recent hardware changes?
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  3. #3
    Bobolink1970 is offline Junior Member
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    Default Re: Problem accessing BIOS with GA-P43-ES3G (rev. 1.1)

    Quote Originally Posted by profJim View Post
    Welcome to the forum.

    What is the brand and model number of your keyboard?

    Can you borrow a different keyboard to test with?

    Are you using an external usb hub? IF yes, what devices are connected to the hub?

    Have you made any recent hardware changes?

    Thanks for answering, profJim!

    The brand of my keyboard is Media-Tech. The model number is MT1245. It is kind of a no-name, cheap usb-keyboard.

    I tried 2 other keyboards, one of which is PS2 but unfortunately that doesn't do the trick :-(.

    When trying to enter the BIOS, hitting DELETE while booting, I do hear the beep of the DELETE key but it doesn't let me access the BIOS.

    I do not have an external USB-hub.
    I do have 2 internal USB-controllers but there are no devices connected at the moment.
    The usb keyboard is connected to native usb port.

    No hardware changes apart from adding more RAM. Upgraded from 2x2 GB to 4x2 GB. But I used RAM of exactly the same make and model (Kingston HyperX 1066 Mhz ), the mobo shows the RAM correctly, no errors with Memtest86 or Prime95.

    I am not the kind of person that enters the BIOS every day just for fun. For me there is no reason to enter the BIOS when everything is running fine. But this obviously makes it difficult to figure out what caused this problem.
    I am now just trying to figure out what could cause this problem.
    GA-P43-ES3G (rev. 1.1)
    Bios F14
    Intel Core2 Quad 9550s @2,86 GHz
    Scythe Mugen 2 rev. B
    4 x 2 GB ddr2 1066 Mhz Kingston HyperX @ 5-5-5-15
    AMD Radeon HD6850 Sapphire 1024MB
    Seasonic M12 500 watt
    Windows 7 Home Premium 64-bit

  4. #4
    Bobolink1970 is offline Junior Member
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    Default Re: Problem accessing BIOS with GA-P43-ES3G (rev. 1.1)

    Damn, you were right, Jim!
    It was the stupid usb keyboard that was causing the problem!
    With an older PS2 keyboard I seem to be able to enter the BIOS every single time I hit DELETE while booting.
    Now I just need to figure out how to get my RAM back to 1066 Mhz again without causing additional problems.
    Since I changed to BIOS to 'Optimized Defaults' it is now on 800 Mhz.
    But I guess I will need to open a new topic to get some help for optimizing the settings of my BIOS.
    Thanks a lot, Jim!
    GA-P43-ES3G (rev. 1.1)
    Bios F14
    Intel Core2 Quad 9550s @2,86 GHz
    Scythe Mugen 2 rev. B
    4 x 2 GB ddr2 1066 Mhz Kingston HyperX @ 5-5-5-15
    AMD Radeon HD6850 Sapphire 1024MB
    Seasonic M12 500 watt
    Windows 7 Home Premium 64-bit

  5. #5
    profJim's Avatar
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    Default Re: Problem accessing BIOS with GA-P43-ES3G (rev. 1.1)

    Glad to hear that using a different keyboard now lets you enter the bios.

    Trying a PS/2 keyboard often fixes the problem but some people don't have one. Most usb keyboards don't cause problems, but any keyboard can develop problems.

    From page 34 in your motherboard user manual:

    The Functions of the [F11] and [F12] keys (For the Main Menu Only)

    F11 : Save CMOS to BIOS
    This function allows you to save the current BIOS settings to a profile. You can create up to 8
    profiles (Profile 1-8) and name each profile. First enter the profile name (to erase the default profile
    name, use the SPACE key) and then press <Enter> to complete.

    F12 : Load CMOS from BIOS
    If your system becomes unstable and you have loaded the BIOS default settings, you can use this
    function to load the BIOS settings from a profile created before, without the hassles of reconfiguring
    the BIOS settings. First select the profile you wish to load, then press <Enter> to complete.

    Page 67 in the manual says:

    The Save Main BIOS to Drive option allows you to save the current BIOS file.
    Q-Flash only supports USB flash drive or hard drives using FAT32/16/12 file system.
    If the BIOS update file is saved to a hard drive in RAID/AHCI mode or a hard drive
    attached to an independent IDE/SATA controller, use the <End> key during the POST to
    access Q-Flash.

    I highly recommend that you also save a printed copy of each saved bios profile using the following P45 bios template:
    Code:
    Motherboard: Model:  Rev#:  Bios Version:
    Cpu: Model
    Ram: Brand, Model/Part#, Link to your ram's specs
    Power Supply Unit: Brand, Model#, Wattage
    
    Default settings for new setups that are not overclocked.
    
    note: replace all ?? with the value displayed in your bios.
    ----> Replace "Auto" with manually set values.
    
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster -------- : [Auto] 
    CPU Clock Ratio ---------------- : [##]
    Fine CPU Clock Ratio ----------- : [0.0] 
    CPU Frequency -------------- : ####
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control --------- : [Enabled]
    CPU Host Frequency (Mhz) ------- : [Mhz]
    PCI Express Frequency (Mhz) ---- : [Auto] 
    C.I.A.2 ------------------------ : [Disabled]
    Advanced Clock Control ------- [Press Enter]
    CPU Clock Drive ---------------- : ??? 
    PCI Express Clock Drive -------- : ???
    CPU Clock Skew (ps) ------------ : ???
    MCH Clock Skew (ps) ------------ : ???
    DRAM Performance Control
    Performance Enhance ------------ : [Turbo] 
    Extreme Memory Profile - (XMP) - : [Disabled] 
    (G)MCH Frequency Latch --------- : [Auto]
    System Memory Multiplier ------- : [Auto]
    Memory Frequency (Mhz) --------- : [Auto]
    DRAM Timing Selectable --------- : [Auto] 
    Standard Timing Control
    CAS Latency Time ------- ?? ---- : [Auto]
    tRCD  ------------------ ?? ---- : [Auto]
    tRP -------------------- ?? ---- : [Auto]
    tRAS  ------------------ ?? ---- : [Auto]
    Advanced Timing Control
    tRRD  ------------------ ?? ---- : [Auto]
    tWTR  ------------------ ?? ---- : [Auto]
    tWR -------------------- ?? ---- : [Auto]
    tRFC  ------------------ ?? ---- : [Auto]
    tRTP  ------------------ ?? ---- : [Auto]
    Command Rate (CMD) ------------- : [Auto] 
    Channel A Timing Settings -- {Press Enter to change settings}
    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 Timing Settings -- {Press Enter to change settings}
    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 A and B Driving Settings ------ {Press Enter to change settings}
    Driving Strength Profile ------- : [Auto] 			<-- setting for channel A
    Driving Strength Profile ------- : [Auto] 			<-- setting for channel B
    Motherboard Voltage Control
    CPU
    Voltage Types--------- Normal ----- Current -----
    Load-Line Calibration ---------- : [Disabled]
    CPU Vcore ----------- 1.????? -- : [Auto] 
    CPU Termination ----- 1.200V* -- : [Auto] 
    CPU PLL ------------- 1.500V* -- : [Auto] 	
    CPU Reference ------- 0.755V* -- : [Auto] 
    CPU Reference2 ------ 0.800V* -- : [Auto] 
    MCH/ICH
    MCH Core ------------- 1.100V -- : [Auto] 
    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 -- : [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) -------- : [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  ----- : [Enabled]
    note: You should also include all altered bios settings for all of the other bios sections.

    With your 4 x 2GB Kingston HyperX PC2-8500 memory, 1066MHz memory speeds and 5-5-5-15 primary memory timings, the following settings should work:
    • CPU Host Frequency (Mhz): [333]
    • System Memory Multiplier: [3.20]
    • CAS Latency Time: 5
    • tRCD: 5
    • tRP: 5
    • tRAS: 15
    • MCH Core: [AUTO] --> 1.20 or slightly higher might be needed
    • DRAM Voltage: 2.00


    Static tRead Value (aka tRD or Performance Level) = 8 or 9 should provide optimal memory performance with the above settings; lower is better.
    If tRD is set too low, your system will fail to post. The AUTO setting should let your system boot, but tRD might be set to 10 or higher.
    Memset v4.1's Performance Level will report the value when you run it in windows. Click the ">>" icon to display both memory channels. Memset's SPD information is better than the SPD info in Cpu-z.

    When you stress test with Prime95, which tests do you run and how long do you let each Prime95 test run?
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  6. #6
    Bobolink1970 is offline Junior Member
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    Default Re: Problem accessing BIOS with GA-P43-ES3G (rev. 1.1)

    I'm afraid I started cheering way too early....the problem not being able to enter the BIOS by simply hitting DELETE while booting still exists.
    Although everything seemed ok while booting several times in a row, after leaving the pc for several hours and trying again, I cannot enter the BIOS anymore.

    So now we know that it isn't the keyboard that is causing this problem, I would like to figure out what else could cause it.
    I would love to get to the chapter of tweaking the memory and maybe even getting a little bit more out of the Q9550s but I guess that doesn't make much sense if you have to use a screwdriver to get into the BIOS every time. (The F11 and F12 functions are very useful now and still work, all settings are saved, it's just the entering of the BIOS that doesn't work...)

    Any tips on how to proceed?
    GA-P43-ES3G (rev. 1.1)
    Bios F14
    Intel Core2 Quad 9550s @2,86 GHz
    Scythe Mugen 2 rev. B
    4 x 2 GB ddr2 1066 Mhz Kingston HyperX @ 5-5-5-15
    AMD Radeon HD6850 Sapphire 1024MB
    Seasonic M12 500 watt
    Windows 7 Home Premium 64-bit

  7. #7
    profJim's Avatar
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    Default Re: Problem accessing BIOS with GA-P43-ES3G (rev. 1.1)

    Sometimes doing a simple bios clear isn't good enough.

    Make sure each memory module is labeled in a logical way so that you can identify each of the memory kits. You can use something like K1a and K1b for the first kit and K2a and K2b for the second kit. It is rare, but sometimes swapping the memory module positions can help, such as instead of K1a and K1b in the #1 and #3 memory slots, put K1b in the #1 slt and K1a in the #3 slot.

    I ALWAYS unplug the power supply's power cord from the back of the psu before I work on the motherboard, even if I'm only removing or replacing a case fan.

    An easy, quick and dirty test is to try booting with only one memory module installed in the first memory slot, the one closest to your cpu. You might want to repeat this test with each memory module installed one at a time. If there are no problems, try entering the bios with two memory modules installed in the #1 and #3 memory slots. Your system should also work when you have two memory modules installed in the #2 and #4 memory slots.

    Extended Bios Clear
    With your system turned off:
    1. Turn off your power supply using the power supply's on/off switch on the rear of the power supply.
    2. Unplug the A.C. power cable from the back of the power supply.
    3. Press and hold the computer case's on/off power switch for 10 - 15 seconds to discharge residual power from your system.
    4. Carefully remove the motherboard's CMOS battery.
    5. Place a jumper block (from an old IDE hard drive) on the CLR_CMOS pins.
    6. Leave your system in this state for 8 - 12 hours and possibly longer.

    Some will disagree with this "extreme" cmos clearing procedure but we sometimes see cases were this is the only way to fix the problem.

    Replacing the CMOS battery might fix the problem. How old is the battery? If you don't know, put in a brand new one. A forum member with a new, 6 month old modern motherboard has to replace his CMOS battery.

    A weak or failing power supply might cause booting problems. Testing with another power supply is a pain and it's possible that your current psu might power another system without any problems.

    Loose cable or hardware connections often cause problems. Several times a year I remove and reseat all wires and cables along with memory modules and other hardware connected to the motherboard. I check the cpu cooler to make sure that it is still securely mounted, but I don't remove the cpu or its cooler.

    Sometimes you need to test your system with a minimal hardware setup, such as no connected drives, no external cables connected (e.g. audio cables/speaker cables). If I were trying to fix your system the only hardware that would be connected is a power supply, keyboard, cpu, cpu cooler/fan, one memory module, video card with cable, and motherboard case speaker.

    At times the system would not work until the motherboard was removed and placed on a cardboard box.

    What else might cause problems? Motherboard mounting screws or standoffs, an intermittent short circuit from a dropped screw, etc.

    One forum member fixed his no boot problem only after the usb 3.0 front panel cable was disconnected from the motherboard.


    If your system is dirty, now is an excellent time to thoroughly clean your system.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  8. #8
    profJim's Avatar
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    Default Re: Problem accessing BIOS with GA-P43-ES3G (rev. 1.1)

    No hardware changes apart from adding more RAM. Upgraded from 2x2 GB to 4x2 GB. But I used RAM of exactly the same make and model (Kingston HyperX 1066 Mhz ), the mobo shows the RAM correctly, no errors with Memtest86 or Prime95.
    Even if the second, new memory has the exact same part number, this might be the problem. Over the life of a product, sometimes their are differences that can lead to compatibility problems.

    Before I was going to upgrade my system to win7, I bought two 2x2GB HyperX T1 1066MHz memory kits at the same time. At the time I bought both kits, DDR2 memory availability was slim to almost none, especially for higher performance DDR2 memory.

    Are the specs on the labels for each of the four modules identical?

    When I bought my used Q9650/P35-DS4 system, it came with 16GB (8x2GB) of OCZ Reaper 1066MHz memory. I wasn't a fan of OCZ memory, but each of the modules had the date on each label, the serial numbers on any two modules were very close and I could easily match two modules in each kit. It's too bad that I can't say the same for my HyperX kits, but I haven't had any problems with either of my HyperX kits.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  9. #9
    Bobolink1970 is offline Junior Member
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    Default Re: Problem accessing BIOS with GA-P43-ES3G (rev. 1.1)

    Wow....that's pretty complicated stuff for me.
    But of course, if necessary I will go through all that because I am quite happy with this system.
    I know it is old but with the SSD and Win7 64-bit now it runs like a charm (i.m.h.o)!

    Could too low voltages also cause the problem of not being able to enter BIOS anymore??
    Here is what I did: I changed the memory settings just like you described, changed the voltages just like you described (I was Always bit careful of changing the voltages, although I know you really need to change them to get the HyperX to run at 1066 Mhz)
    For now the problem seems to be solved again. Even after switching on the computer after 3-4 hours I was able to get into the BIOS hitting DELETE.....
    GA-P43-ES3G (rev. 1.1)
    Bios F14
    Intel Core2 Quad 9550s @2,86 GHz
    Scythe Mugen 2 rev. B
    4 x 2 GB ddr2 1066 Mhz Kingston HyperX @ 5-5-5-15
    AMD Radeon HD6850 Sapphire 1024MB
    Seasonic M12 500 watt
    Windows 7 Home Premium 64-bit

  10. #10
    Chike is offline Senior Member
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    Default Re: Problem accessing BIOS with GA-P43-ES3G (rev. 1.1)

    Quote Originally Posted by profJim View Post
    Static tRead Value (aka tRD or Performance Level) = 8 or 9 should provide optimal memory performance with the
    IIRC 7 is fine, and 6 should be possible.

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