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Thread: EP45-DS3 + Mushkin 996587 + E8400 : Dual Channel Fails!




  1. #1
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    Default EP45-DS3 + Mushkin 996587 + E8400 : Dual Channel Fails!

    Hi, i recently bought the 996587 kit, 5-4-4-12 @ 1.8V.

    However im having trouble running it dual channel on my EP45 DS3.

    Leaving all settings on Auto, the M/B beeps multiple times on boot and refuses to boot.

    I've tried raising MCH to 1.3 (+0.2) and DDR to 2.1 (+0.3), the system posts but is unstable. Sometimes it would freeze at post, or in the bios, or booting to windows.

    I've tried the following setting and failed to post.

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [Auto]
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................: N/A
    CPU Frequency ...........................: 3GHz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Disabled]
    CPU Host Frequency (Mhz) ............: [Auto]
    PCI Express Frequency (Mhz) .........:100MHz

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


    Advanced Clock Control
    CPU Clock Drive...........................:800
    PCI Express Clock Drive.................:900
    CPU Clock Skew (ps)....................: 0
    MCH Clock Skew (ps)...................: 0


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: 333MHz
    System Memory Multiplier ..............: 2.40
    Memory Frequency (Mhz) ..............: 800
    DRAM Timing Selectable ................: [Manual]

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

    Advanced Timing Control
    tRRD...........................................3
    tWTR.......................................... 3
    tWR............................................3
    tRFC...........................................52
    tRTP...........................................3
    Command Rate (CMD) ....................:2

    Channel A
    Static tRead Value............................:Auto (7)
    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
    Dimm2 Clock Skew Control...............:Auto

    Channel B
    Static tRead Value..........................:Auto (7)
    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
    Dimm2 Clock Skew Control...............:Auto

    Motherboard Voltage Control

    CPU
    CPU Vcore….……….........................: Auto
    CPU Termination…..... 1.200V*.......: Auto
    CPU PLL…………………....1.500V*.......: Auto
    CPU Referen.…………....0.755V*.......: Auto
    CPU Reference2………,,0.800V*.......: Auto

    MCH/ICH
    MCH Core…………….....1.100V...........: 1.3V
    MCH Reference….…….0.800V...........:Auto
    MCH/DRAM Ref.…......0.900V...........:Auto
    ICH I/O……………….....1.550V............:Auto
    ICH Core…………...……1.100V............:Auto

    DRAM
    DRAM Voltage ……....1.800V............: 2.1V

    DRAM Termination .…0.900V............: Auto
    Channel A Reference 0.900V............: Auto
    Channel B Reference 0.900V............: Auto

    What kind of ram settings do i need to set to get it working in dual channel? If possible i would like to keep the voltages low as the ram is rated 5-4-4-12 @ 1.8V. Is there any reason to increase the voltage while running stock at PC6400 5-4-4-12? I did not increase the advanced timings because im running these sticks stock, so why shouldnt they post at those timings?

    Currently running single channel @ Vdimm Auto (1.88V), 5-4-4-12, Static Tread 6, stable. MCH stock @ 1.1V.

    What could be the problem here?

    EP45-DS3
    E8400 Stock
    Mushkin 996587 2x2gb PC6400
    Last edited by zjiejun; 10-11-2008 at 04:05 AM.

  2. #2
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    Default Re: EP45-DS3 + Mushkin 996587 + E8400 : Dual Channel Fails!

    Try running the memory at 667 mhz instead of 800. Since you're not overclocking your cpu you won't get much of a performance improvement from your RAM at 800 mhz. Plus you'll gain some stability while you fine tune your settings.

  3. #3
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: EP45-DS3 + Mushkin 996587 + E8400 : Dual Channel Fails!

    Well a few things at "Stock" or "Default" will be wrong, as the board is made for auto to run 2x1GB so the user can put any ram in and be able to get in the BIOS and set things properly.

    Advanced memory settings are for performance and stability, not only overclocking.

    tRD of 6 is not going to work with that low of a voltage, but they may after you add some MCH voltage. I see you have though, so maybe 6 is just to tight for your other timings. I would raise them a bit and see if 6 works, if not you will need to use 7. And you have way to low of a twtr for those modules.

    And you are warrantied to 2.1V with those sticks >>>
    Mushkin Support Forums • View topic - Timmings and setup for 996587

    So I would advise you to try this out >>>>

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [Auto]
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................: N/A
    CPU Frequency ...........................: 3GHz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Disabled]
    CPU Host Frequency (Mhz) ............: [Auto]
    PCI Express Frequency (Mhz) .........:100MHz

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


    Advanced Clock Control
    CPU Clock Drive...........................:800
    PCI Express Clock Drive.................:900
    CPU Clock Skew (ps)....................: 0
    MCH Clock Skew (ps)...................: 0


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: 333MHz
    System Memory Multiplier ..............: 2.40
    Memory Frequency (Mhz) ..............: 800
    DRAM Timing Selectable ................: [Manual]

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

    Set all highest below, then lower later one at a time testing with Memtest86+ between moves

    Advanced Timing Control
    tRRD...........................................3-5
    tWTR.......................................... 3-6 (Use 9-12 first)
    tWR............................................4-6 (Use 8-14 first)
    tRFC...........................................52-62
    tRTP...........................................3-6
    Command Rate (CMD) ....................:2

    Please set Driving strength profile to 800 or 1066

    Channel A
    Static tRead Value............................:5-7/8 (333 Latch) 8-10 (400 Latch), set 7 for now until you get a bit more stable then you can try lower
    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
    Dimm2 Clock Skew Control...............:Auto

    Channel B
    Static tRead Value..........................:5-7/8 (333 Latch) 8-10 (400 Latch), set 7 for now until you get a bit more stable then you can try lower

    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
    Dimm2 Clock Skew Control...............:Auto

    Motherboard Voltage Control

    CPU
    CPU Vcore….……….........................: Auto
    CPU Termination…..... 1.200V*.......: Auto
    CPU PLL…………………....1.500V*.......: Auto
    CPU Referen.…………....0.755V*.......: Auto
    CPU Reference2………,,0.800V*.......: Auto

    MCH/ICH
    MCH Core…………….....1.100V...........: 1.24V
    MCH Reference….…….0.800V...........:Auto
    MCH/DRAM Ref.…......0.900V...........:Auto
    ICH I/O……………….....1.550V............:Auto
    ICH Core…………...……1.100V............:Auto

    DRAM
    DRAM Voltage ……....1.800V............: 2.0-2.1V (2.0 will be fine at 800 MHz)

    DRAM Termination .…0.900V............: Auto
    Channel A Reference 0.900V............: Auto
    Channel B Reference 0.900V............: Auto

  4. #4
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    Default Re: EP45-DS3 + Mushkin 996587 + E8400 : Dual Channel Fails!

    Alright problem solved. It was some quirk with the Performance Enhance setting.

    Spoke to a local Gigabyte Engineer and all he did was load fail-safe then optimized, and everything worked in auto.

    I had Performance Enhance set to Extreme while running on Single Channel, and although i changed it to Standard, apparently i didnt let it post a couple of times first.

    Now Dual Channel works using default 1.1V MCH and 1.8V Vdimm.

    If everything works well in Auto, does it mean that the rams are running at the Auto settings in the Bios?

    For example:

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

    Advanced Timing Control
    tRRD...........................................[Auto] 3
    tWTR.......................................... [Auto] 3
    tWR............................................[Auto] 6
    tRFC...........................................[Auto] 52
    tRTP...........................................[Auto] 3
    Command Rate (CMD) ....................:[Auto] 0

    Channel A
    Static tRead Value............................:[Auto] 7

    MCH Core…………….....1.100V...........:Auto
    DRAM Voltage ……....1.800V............: Auto

    If thats what i see, am i running at 5-4-4-12, 3-3-6-52-3-0?

    Something im not sure about is the Command Rate. I see 0 in the bios... is that what i'm running at?

  5. #5
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    Default Re: EP45-DS3 + Mushkin 996587 + E8400 : Dual Channel Fails!

    Okay stability is pretty hit and miss with dual channel. A cold boot seems to revert to the same problem.

    What i'm experiencing is continous short beeps (sounds short to me), 22 beeps before the board cycles power.

    According to the motherboard manual its a power error.

    Could it be my PSU causing the problem? I didn't suspect it earlier because Single Channel is rock solid and only Dual channel gives me problems.

    12V rail in the bios shows 11.7-11.8. I'll get a multimeter reading soon.

    One other thing i've observed is that using HWMonitor, it only shows 0.2-2.5V on the 12V, but i've read that it might be just a software issue and that i should trust my bios.

    Im using a Vantec Ion 600W with dual 12V rails, 22A each with total 432W on the 12V.

    Running ATI HD4850 Crossfire.

  6. #6
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    Default Re: EP45-DS3 + Mushkin 996587 + E8400 : Dual Channel Fails!

    Something else to add,

    I've observed is that using HWMonitor, it only shows:

    0.6 to 2.5V on the 12V
    -0.05 to -0.5 on the -12V
    -0.5 on the -5V

    But i've also read that it might be just a software issue and that i should trust my bios.

    If it were the PSU, why would single channel run rock solid?

  7. #7
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: EP45-DS3 + Mushkin 996587 + E8400 : Dual Channel Fails!

    HwMonitor does not correctly read P45 sensors, so you can ignore that. Use everest for better readings.

    That Beep cycle does mean power, but I have had it happen to me many times when trying to tighten down ram timings, so I would think this is your issue. And Auto is likely the cause for sure with 2x2GB

    You need to try some more with the above suggested settings

  8. #8
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    Default Re: EP45-DS3 + Mushkin 996587 + E8400 : Dual Channel Fails!

    Alright i managed to get my board up and running stable in dual channel using the following settings.

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [Auto]
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................: N/A
    CPU Frequency ...........................: 3GHz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Disabled]
    CPU Host Frequency (Mhz) ............: [Auto]
    PCI Express Frequency (Mhz) .........:100MHz

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


    Advanced Clock Control
    CPU Clock Drive...........................:800
    PCI Express Clock Drive.................:900
    CPU Clock Skew (ps)....................: 0
    MCH Clock Skew (ps)...................: 0


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: 333MHz
    System Memory Multiplier ..............: 2.40
    Memory Frequency (Mhz) ..............: 800
    DRAM Timing Selectable ................: [Manual]

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

    Advanced Timing Control
    tRRD...........................................3
    tWTR.......................................... 3
    tWR............................................6
    tRFC...........................................52
    tRTP...........................................3
    Command Rate (CMD) ....................:2
    (Question about timing control. Do lower numbers necessarily mean better performance?)

    Driving strength profile.....: Auto

    Channel A
    Static tRead Value............................:6
    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
    Dimm2 Clock Skew Control...............:Auto

    Channel B
    Static tRead Value..........................:6
    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
    Dimm2 Clock Skew Control...............:Auto

    Motherboard Voltage Control

    CPU
    CPU Vcore….……….........................: Auto
    CPU Termination…..... 1.200V*.......: Auto
    CPU PLL…………………....1.500V*.......: Auto
    CPU Referen.…………....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……………….....1.550V............: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

    I needed to be very patient with changing the ram timings... everytime i tried adjusting Static tRead together with any other setting it would start beeping. So i did it one at a time and it booted without a hitch.

    Here's the weird thing.

    3DMark06:

    Dual Channel, 5-4-4-12, Static tRead 6, Perf Enhance - Standard : 14510

    Single Channel, 5-4-4-12, Static tRead 6, Perf Enhance - Extreme: 14530

    Ran twice each time with the same results. Should i stay on single channel since it consistently performs better? I don't do any benchmarking or overclocking yet... i've only been playing games...

  9. #9
    Lsdmeasap's Avatar
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    Default Re: EP45-DS3 + Mushkin 996587 + E8400 : Dual Channel Fails!

    Ya, It does take some fine tuning to get going on P45 compared to P35

    Yes, lower means better. But you should test/bench twtr 9-11 and see if it is better then 3-6 as it sometimes is. And you should also Bench twr of 5 as well.

    You know at 800Mhz you may be able to run trd of 5 if you up the ram voltage to 2.0-2.1, but that is up to you, I would though bench the above suggestions for sure though

    20 points is nothing over actual dual channel performance, I'd leave it. 3D mark is more of a gaming test then a memory test anyway

    Have you now since you gotten stable saved this as a profile? If not you should, F11 is save on the MAIN BIOS page and F12 is load.

    Then you can test if driving strength profile 800 or 1066 is any better

  10. #10
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    Default Re: EP45-DS3 + Mushkin 996587 + E8400 : Dual Channel Fails!

    My PC failed to boot from a cold boot today...

    I guess the timings are too tight. I was hoping to run dual channel at the same timings as single but i guess i can't.

    I'll start testing more relaxed timings.

    What do you recommend i bench with?

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