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Thread: EP43-UD3L will not post with 4 sticks RAM




  1. #1
    Join Date
    May 2009
    Posts
    9

    Default EP43-UD3L will not post with 4 sticks RAM

    This is a new build, and I started with an old Asus P5Q which was on my shelf. The board was on my shelf because I couldn't get it to POST last summer, and letting it have a time out didn't help. I replaced the board with a new EP43-UD3L since the price was right, and I've had good luck with Gigabyte boards in the past.

    I was rewarded by seeing the system POST in a minimal configuration. When I went to 4 sticks of RAM then I saw the board cycling on and off, as reported by others. I do not have a case speaker (Antec doesn't include them, and I have a thing for Antec cases), so I cannot report POST codes. I'll look and see if Radio Shack has something I can use, otherwise I'll need to wait for the weekend and visit Frys.

    As shown in my signature, the RAM is GEIL 2G sticks (PC2-6400). This is the 4-4-4-12 RAM, which runs at 2.0v.

    I figure that I am experiencing power issues, but I am not comfortable with messing around with voltages in the BIOS. I have no idea at what point I'm going to break something. I did raise the DRAM voltage to 2.0v, and I bumped MCH up a bit. None of this helps.

    I checked the RAM in pairs, and both pair will allow the system to POST. I don't have hard drives connected yet, and am not attempting to boot an OS. Getting the system to enter the BIOS is a prerequisite.

    I see my CPU temperature at 29C, outside of the case. The motherboard is sitting in its cardboard box. (I really like Zalman CPU fans btw).

    I could really use some help to figure out where to go next. I cannot afford to keep throwing money at this box.

    I have tried setting Optimal settings, among other things. Here is the filled out BIOS template:

    Code:
    Motherboard: Model, Rev#:   EP43-UD3L Rev 1.0
    Cpu: Q8400 @ 2.66GHz
    Ram: GEIL GB28GB6400C4QC,  Newegg.com - GeIL Black Dragon 8GB (4 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Quad Channel Kit Desktop Memory - Desktop Memory
    Power Supply Unit: PCP&C Silencer 500, 500w
    
    Default settings for new setups that are not overclocked.
    
    note: replace all ?? with the value displayed in your bios.
    
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster -------------- : [Auto] 
    CPU Clock Ratio ---------------------- : [8x]
    Fine CPU Clock Ratio ----------------- : [0.0] 
    CPU Frequency ---------------------: 2.66GHz (333x8)
    
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control --------------- : [Disabled]
    CPU Host Frequency (Mhz) --------------: [333 Mhz]
    PCI Express Frequency (Mhz) ---------- : [100]
    
    C.I.A.2 ------------------------------ : [Disabled]
    
    Advanced Clock Control ------- [Press Enter]
    CPU Clock Drive ---------------------- : <<< 800mV
    PCI Express Clock Drive -------------- : <<< 800mV
    CPU Clock Skew (ps) ------------------ : <<< 0ps
    MCH Clock Skew (ps) ------------------ : <<< 0ps
    
    DRAM Performance Control
    Performance Enhance ------------------- : [Turbo]
    Extreme Memory Profile --- (X.M.P.) --- Option not present in my BIOS setup
    (G)MCH Frequency Latch ---------------- : [Auto]
    System Memory Multiplier -------------- : [Auto]
    Memory Frequency (Mhz) ---------------- : [800]
    DRAM Timing Selectable ---------------- : [Manual]
    
    Standard Timing Control
    CAS Latency Time -------- ?? ---------- : [4]
    tRCD  ------------------- ?? ---------- : [4]
    tRP --------------------- ?? ---------- : [4]
    tRAS  ------------------- ?? ---------- : [12]
    
    Advanced Timing Control
    tRRD  ------------------- 3 ---------- : [Auto]
    tWTR  ------------------- 3 ---------- : [Auto]
    tWR --------------------- 6 ---------- : [Auto]
    tRFC  ------------------- 52---------- : [Auto]
    tRTP  ------------------- 3 ---------- : [Auto]
    Command Rate (CMD) ------ 0 ---------- : [Auto] 
    
    Driving Strength Profiles
    Driving Strength --------- : Press Enter <--- press ENTER to modify memory sub-timings when overclocking
    
    Channel A
    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]  ps
    Dimm2 Clock Skew Control --------------- : [Auto]  ps
    
    Channel B
    Static tRead Value ------------ 7 ------ : [Auto]
    tRD Phase0 Adjustment --------- 0 ------ : [Auto] <-- leave this and below set to 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]  ps
    Dimm2 Clock Skew Control --------------- : [Auto]  ps
    
    Motherboard Voltage Control
    CPU
    CPU Vcore --------------- 1.28750V  ---- : [Auto]
    
    CPU Termination --------- 1.200V* ----- : [Auto] 
    CPU PLL ----------------- not present in my BIOS setup
    
    CPU Reference ----------- 0.805V* ----- : [Auto] 
    CPU Reference2 ---------- not present in my BIOS setup
    
    MCH/ICH
    MCH Core ---------------- 1.100V ------- : [1.200V]
    MCH Reference ----------- not present in my BIOS setup
    MCH/DRAM Ref ------------ not present in my BIOS setup
    ICH I/O ----------------- 1.550V ------- : [Auto] 
    ICH Core ---------------- not present in my BIOS setup
    DRAM
    DRAM Voltage ------------ 1.800V ------- : [2.000V]
    DRAM Termination -------- not present in my BIOS setup
    Channel A Reference ----- not present in my BIOS setup
    Channel B Reference ----- not present in my BIOS setup
    
    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]
      (appears as USB Storage Function)
    Q8400 @ 2.66GHz _____________+++___ Antec 900 case
    EP43-UD3L [rev: 1.0] ~ Bios: F3 _______ Zalman CNPS9500 fan
    4x2GB GB28GB6400C4QC @4-4-4-12
    EVga 9600GT video card w/1G DDR3
    PC Power & Cooling Silencer PPCS500 (500w)
    no hard drives connected yet

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

    Default Re: EP43-UD3L will not post with 4 sticks RAM

    F4 is the latest BIOS, so you may want to flash to that first but that is up to you.
    http://www.gigabyte.com.tw/Support/M...2993#anchor_os

    If you do please read this Qflash guide and flash using Qflash >>
    http://forums.tweaktown.com/f69/bios...h-guide-27576/

    I would first start by using one stick in slot one, then load and apply optimized defaults and save/reboot back to the BIOS. Then put performance enhance on standard, set your ram voltage to 2.0V and up your MCH Voltage to 1.24, set tRFC to 68 for now, set tRD (Static tRead Value) to 9, and then save/apply/reboot and then shut the board down and insert the second stick

    Then you should be ok to bootup. If not please post back your findings and settings you tried. Also post your ram model # or a link just in case

  3. #3
    Join Date
    May 2009
    Posts
    9

    Default Re: EP43-UD3L will not post with 4 sticks RAM

    Thanks for the response. I did not flash to the latest BIOS, as Gigabyte seems to discourage that unless it is add needed functionality. The only thing they list for F4 was that they removed something, which I'm not using anyways. My naive view is that the risk outweighs any benefit, unless they really made other changes. I'm used to seeing release notes, not one sentence descriptions of BIOS changes, so I work with what I have.

    Next, I do not know how to adjust MCH voltage (I assume this is MCH core) to 1.24V. The BIOS allows me to set it to 1.20V or 1.30V. If I type 1.24 into the space where Auto is written, it sets the value to 1.40V. So I used 1.20V.

    My RAM model number, and a link was in my first post. The model number is in my signature, the link is in the BIOS template.

    You mentioned "the second stick", which troubles me. I am trying to run with 4 sticks (per the title of this thread). I assume you meant to install the rest of the RAM, which is what I did after making the changes. 2 sticks POSTS fine, although I pulled all but the first slot in case that somehow was important. I made the BIOS changes and then installed the remaining 3 sticks. The board did not successfully POST.

    I had assumed that the failure was a reboot loop, but that is incorrect. When the system powers on with 4 sticks it reboots twice and then remains on. No video appears at any time. If I have 1 or 2 sticks present, the system POSTS on the first power cycle. I have occasionally seen it reboot once and then POST after some change is made.
    Q8400 @ 2.66GHz _____________+++___ Antec 900 case
    EP43-UD3L [rev: 1.0] ~ Bios: F3 _______ Zalman CNPS9500 fan
    4x2GB GB28GB6400C4QC @4-4-4-12
    EVga 9600GT video card w/1G DDR3
    PC Power & Cooling Silencer PPCS500 (500w)
    no hard drives connected yet

  4. #4
    spec is offline Member
    Join Date
    Feb 2008
    Location
    Australia
    Posts
    120

    Default Re: EP43-UD3L will not post with 4 sticks RAM

    Not to disappoint you but since your RAM is rated at 800Mhz, it will be a bit difficult to run 4 sticks at the full rated speed. It's not the RAM itself, if the MB which has this limitation. You'll need to raise MCH voltage, perhaps DDR voltage and if nothing else works slow the timings...

    For now to add to what the guru (Lsdmeasap) said - Set MCH to 1.3 if 1.24 is not allowed for your board.
    Additionally set
    Performance Enhance ------------------- : [Normal]

    Make sure above works with 2 sticks before inserting the other 2.

    Let us know if it works.
    Intel Core i5 4670k C0 @4.2Ghz - Corsair H80i
    Gigabyte GA-Z97x-SOC Force (Rev 01, BIOS F6C)
    16GB Corsair Vengeance Pro 1866Mhz DDR3 9-10-9-27 1.5v
    Gigabyte R9 280x OC Windforce

    OCZ Vertex 3 120GB SSD - Windows 7 Home Premium 64bit
    -------------------------------------------------------------------------------------------------------------
    Small print - All suggestions I give on this forum are just that - Suggestions.
    I'm merely suggesting an approach/opinion which I would have taken - You are welcome to try at your own risk.

  5. #5
    Join Date
    May 2009
    Posts
    9

    Default Re: EP43-UD3L will not post with 4 sticks RAM

    Thanks, I'll try that later. But first, how would I slow the RAM timings? 8G of somewhat slower RAM will be better than 4G of faster RAM for large applications.

    If it is a large speed difference, perhaps I should exchange the motherboard for one which can handle the load.
    Q8400 @ 2.66GHz _____________+++___ Antec 900 case
    EP43-UD3L [rev: 1.0] ~ Bios: F3 _______ Zalman CNPS9500 fan
    4x2GB GB28GB6400C4QC @4-4-4-12
    EVga 9600GT video card w/1G DDR3
    PC Power & Cooling Silencer PPCS500 (500w)
    no hard drives connected yet

  6. #6
    spec is offline Member
    Join Date
    Feb 2008
    Location
    Australia
    Posts
    120

    Default Re: EP43-UD3L will not post with 4 sticks RAM

    You can slow the primary ram timings by changing them to 5-5-5-15/18 and testing or by keeping it same but changing the Frequency.
    From what I know, if it's 1066Mhz RAM any board should be able to run 1 or 2 sticks of it at full rated speed with a few minor adjustments to MCH and DDR2 voltage.
    4 Sticks always are a bit of an issue with any board, you'll need to add anywhere from +.3 to +.4v on the MCH and possibly run it slower, maybe at 1000Mhz for 1066 RAM.

    RAM frequency and Primary timing are as follows:
    Memory Frequency (Mhz) ---------------- : [800]
    DRAM Timing Selectable ---------------- : [Manual]

    Standard Timing Control
    CAS Latency Time -------- ?? ---------- : [4]
    tRCD ------------------- ?? ---------- : [4]
    tRP --------------------- ?? ---------- : [4]
    tRAS ------------------- ?? ---------- : [12]
    Keep Advanced timings at [Auto]
    Intel Core i5 4670k C0 @4.2Ghz - Corsair H80i
    Gigabyte GA-Z97x-SOC Force (Rev 01, BIOS F6C)
    16GB Corsair Vengeance Pro 1866Mhz DDR3 9-10-9-27 1.5v
    Gigabyte R9 280x OC Windforce

    OCZ Vertex 3 120GB SSD - Windows 7 Home Premium 64bit
    -------------------------------------------------------------------------------------------------------------
    Small print - All suggestions I give on this forum are just that - Suggestions.
    I'm merely suggesting an approach/opinion which I would have taken - You are welcome to try at your own risk.

  7. #7
    Join Date
    May 2009
    Posts
    9

    Default Re: EP43-UD3L will not post with 4 sticks RAM

    Thanks for the clarification. The optimal defaults must have already set the memory timings to 5-5-5-15. I upped MCH to 1.30V with no change. The board is still cycling on and off.

    It feels like a power problem, rather than a timing problem. But if people think that RAM timings could cause this cycling behavior, then I'll go along. But 2 sticks run fine, so I ask myself what changes when 4 sticks are in. The biggest change seems to be power load.

    Note that I am changing "MCH core" if that makes a difference.

    I also manually set PCI express frequency to 100MHz, since the optimal settings set it back to auto. (I did try it on auto, as instructed)

    Memory frequency has always been 800MHz. Performance enhance is set to "standard", I don't think "normal" is a choice.

    To recap current settings:

    Code:
    Motherboard: Model, Rev#:   EP43-UD3L Rev 1.0
    Cpu: Q8400 @ 2.66GHz
    Ram: GEIL GB28GB6400C4QC,  Newegg.com - GeIL Black Dragon 8GB (4 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Quad Channel Kit Desktop Memory - Desktop Memory
    Power Supply Unit: PCP&C Silencer 500, 500w
    
    Default settings for new setups that are not overclocked.
    
    note: replace all ?? with the value displayed in your bios.
    
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster -------------- : [Auto] 
    CPU Clock Ratio ---------------------- : [8x]
    Fine CPU Clock Ratio ----------------- : [0.0] 
    CPU Frequency ---------------------: 2.66GHz (333x8)
    
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control --------------- : [Disabled]
    CPU Host Frequency (Mhz) --------------: [333 Mhz]
    PCI Express Frequency (Mhz) ---------- : [100]
    
    C.I.A.2 ------------------------------ : [Disabled]
    
    Advanced Clock Control ------- [Press Enter]
    CPU Clock Drive ---------------------- : <<< 800mV
    PCI Express Clock Drive -------------- : <<< 800mV
    CPU Clock Skew (ps) ------------------ : <<< 0ps
    MCH Clock Skew (ps) ------------------ : <<< 0ps
    
    DRAM Performance Control
    Performance Enhance ------------------- : [Standard]
    Extreme Memory Profile --- (X.M.P.) --- Option not present in my BIOS setup
    (G)MCH Frequency Latch ---------------- : [Auto]
    System Memory Multiplier -------------- : [Auto]
    Memory Frequency (Mhz) ---------------- : [800]
    DRAM Timing Selectable ---------------- : [Manual]
    
    Standard Timing Control
    CAS Latency Time -------- ?? ---------- : [5]
    tRCD  ------------------- ?? ---------- : [5]
    tRP --------------------- ?? ---------- : [5]
    tRAS  ------------------- ?? ---------- : [15]
    
    Advanced Timing Control
    tRRD  ------------------- 3 ---------- : [9]
    tWTR  ------------------- 3 ---------- : [Auto]
    tWR --------------------- 6 ---------- : [Auto]
    tRFC  ------------------- 52---------- : [68]
    tRTP  ------------------- 3 ---------- : [Auto]
    Command Rate (CMD) ------ 0 ---------- : [Auto] 
    
    Driving Strength Profiles
    Driving Strength --------- : Press Enter <--- press ENTER to modify memory sub-timings when overclocking
    
    Channel A
    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]  ps
    Dimm2 Clock Skew Control --------------- : [Auto]  ps
    
    Channel B
    Static tRead Value ------------ 7 ------ : [Auto]
    tRD Phase0 Adjustment --------- 0 ------ : [Auto] <-- leave this and below set to 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]  ps
    Dimm2 Clock Skew Control --------------- : [Auto]  ps
    
    Motherboard Voltage Control
    CPU
    CPU Vcore --------------- 1.28750V  ---- : [Auto]
    
    CPU Termination --------- 1.200V* ----- : [Auto] 
    CPU PLL ----------------- not present in my BIOS setup
    
    CPU Reference ----------- 0.805V* ----- : [Auto] 
    CPU Reference2 ---------- not present in my BIOS setup
    
    MCH/ICH
    MCH Core ---------------- 1.100V ------- : [1.300V]
    MCH Reference ----------- not present in my BIOS setup
    MCH/DRAM Ref ------------ not present in my BIOS setup
    ICH I/O ----------------- 1.550V ------- : [Auto] 
    ICH Core ---------------- not present in my BIOS setup
    DRAM
    DRAM Voltage ------------ 1.800V ------- : [2.000V]
    DRAM Termination -------- not present in my BIOS setup
    Channel A Reference ----- not present in my BIOS setup
    Channel B Reference ----- not present in my BIOS setup
    
    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]
      (appears as USB Storage Function)
    Q8400 @ 2.66GHz _____________+++___ Antec 900 case
    EP43-UD3L [rev: 1.0] ~ Bios: F3 _______ Zalman CNPS9500 fan
    4x2GB GB28GB6400C4QC @4-4-4-12
    EVga 9600GT video card w/1G DDR3
    PC Power & Cooling Silencer PPCS500 (500w)
    no hard drives connected yet

  8. #8
    Join Date
    May 2009
    Posts
    9

    Default Re: EP43-UD3L will not post with 4 sticks RAM

    Another update.

    I changed the strapping so the memory would run at 667MHz rather than 800MHz. I also increased TRas to 18. No change in behavior.

    GEIL's web site has a FAQ which states that all of their RAM has been tested at 3v, and that some boards do not have a properly calibrated voltage sensor. I'm not sure if it is safe to up the voltage that much. I did increase to 2.20V with no change (it still does not POST).
    Last edited by JonDoran; 05-21-2009 at 11:20 AM.
    Q8400 @ 2.66GHz _____________+++___ Antec 900 case
    EP43-UD3L [rev: 1.0] ~ Bios: F3 _______ Zalman CNPS9500 fan
    4x2GB GB28GB6400C4QC @4-4-4-12
    EVga 9600GT video card w/1G DDR3
    PC Power & Cooling Silencer PPCS500 (500w)
    no hard drives connected yet

  9. #9
    Join Date
    May 2009
    Location
    USA
    Posts
    6

    Lightbulb Re: EP43-UD3L will not post with 4 sticks RAM

    I have been going through that same thing with a EP45-UD3R. The best suggestoin was to slow things down. I also found some other input from other posts. Its not an exact fit but may get you on your way. The build is up and running 4 DIMMS or 4 x2GH. Both OS see all 8 gig.

    EP45-UD3R Build1.1 RAM:G.SKILL DDR2 1066 (PC2 8500) slot 3 and 4, Duel Channel Issues

    http://forums.tweaktown.com/f69/ep45...87/#post299858




    Build:
    GA-EP45-UD3R (rev. 1.1) BIOS VERSION F6
    CPU : Intel Q9550 at 2.83Ghz (x333) Model:BX80569Q9550
    RAM : G.SKILL 8GB (4 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 @ 667
    (PC2 8500) Dual Channel Kit Desktop Memory Model F2-8500CL5D
    Western Digital Caviar Black 1TB 7200 RPM SATA HD
    XFX PVT98WYDFH GeForce 9800 GTX+ 512MB 256-bit
    RAIDMAX SMILODON Computer Case with 500W Power Supply
    OS: W7-64, XPPro64

  10. #10
    Join Date
    May 2009
    Posts
    9

    Default Re: EP43-UD3L will not post with 4 sticks RAM

    Thanks, I made the changes and am still not getting a successful POST. I have MCH Core at 1.3, since I haven't figured out how to enter anything which isn't on the menu. But otherwise, I used your values.
    Q8400 @ 2.66GHz _____________+++___ Antec 900 case
    EP43-UD3L [rev: 1.0] ~ Bios: F3 _______ Zalman CNPS9500 fan
    4x2GB GB28GB6400C4QC @4-4-4-12
    EVga 9600GT video card w/1G DDR3
    PC Power & Cooling Silencer PPCS500 (500w)
    no hard drives connected yet

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