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Thread: EP45-UD3P won't boot with 2x2GB installed - UGH!




  1. #11

    Default Re: EP45-UD3P won't boot with 2x2GB installed - UGH!

    I'm running into the same sort of problem. Here is my setup:

    e5200
    Gigabyte P35C-DS3R (Rev 1.1) BIOS F11
    Mushkin HP PC6400 2x2GB RAM (996587)
    7900GS
    Antec 450W PSU
    Samsung DVD-RW
    Seagate 80GB SATA HD

    The system boots fine with 1 2GB Dimm, but boots and reboots 3 times (never reaching POST) with 2 Dimms in, before booting and just sitting there; all system fans EXCEPT the CPU fan run, and there is no display.

    I have tried both dimms individually, and both passed an 8hr session of memtest with no errors. Here are the settings I've got:


    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto or Fast
    CPU Clock Ratio ..........................: 12
    Fine CPU Clock Ratio.....................:.5
    CPU Frequency ...........................: 2.5ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Disabled]
    CPU Host Frequency (Mhz) ............: 200Mhz
    PCI Express Frequency (Mhz) .........:Set to 100

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

    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    System Memory Multiplier ..............: 3.33B (should be 4.0, but I dropped to test)
    Memory Frequency (Mhz) ..............: 667 (again, s/b 800, but doesn't work that way either)
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................15
    (I have also tried 5-5-5-18, as the auto settings want, and the 5-4-4-12 as
    Muskin specifies; both work with ONE dimm, but not with both in the board)

    ALL AUTO SETTINGS:
    ACT to ACT: 3
    Rank Write to Read: 3
    Write to Precharge: 6
    Refresh to ACT 52
    Read to Precharge: 3
    Static Tread: 3
    Statice Phase Adjustment: 0

    System voltage: Manual
    DD2 Overvolt: +0.2
    PCI-E Overvolt: Normal
    FSB Overvolt: Normal
    MCH Overvolt: +0.1v (have also tried +0.2)
    CPU Voltage Control: Normal


    On the advice of a Mushkin Rep, I have also tried:
    C.I.A.2: Disabled

    Performance Enhance: Standard

    DRAM Timing Selectable (SPD): Manual

    CAS Latency Time: 5

    DRAM RAS# to CAS# Delay: 4

    DRAM RAS# Precharge: 4

    Precharge delay (tRAS): 12



    *Below use highest numbers first, then optimising towards lower ones, once stable*

    ACT to ACT Delay (tRRD): 4(3-4)

    Rank write to READ Delay: 6(4-6)

    Write to Precharge Delay: 6(4-6)

    Read to Precharge: 6(4-6)

    Refresh to ACT Delay: 60(55-60)

    Static tRead Value: 9(5-7 should also be possible)

    Static tRead Phase Adjust - Auto

    Command Rate (CMD): 2T

    DDR2 Overvoltage Control: +0.2

    MCH Overvoltage Control: +0.15



    FROM PC HEALTH SETTINGS:
    vcore: 1.204v
    DDR2/3 Voltage: 2.112v
    3.3v: 3.317
    12v: 12.365


    Integrated Peripherals
    Legacy USB Storage Detect ..............[Disabled] *Note* Must be enabled to flash from USB</pre>
    Sorry for the windowing weirdness...Hopefully you can read everything, and will respond. Thanks!

  2. #12
    Lsdmeasap's Avatar
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    Default Re: EP45-UD3P won't boot with 2x2GB installed - UGH!

    K, you should try these, these will of course be loose to get your going.

    I think your multiplier choice may be the issue because with a 800 FSB you need to be choosing C or 200/800 strap on your ram multi or at least one from that set with no letter or symbol on it (Those would be 2.66, 3.33, or 4.0 With letter C on them or The + Symbol) If you do decide to overclock then after 266/1066 FSB you can use the A multi (Symbol is ~ for that strap) B strap or 333 (Symbol #) is likely too loose and fast for the FSB you are using.

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto or Fast
    CPU Clock Ratio ..........................: 12
    Fine CPU Clock Ratio.....................:.5
    CPU Frequency ...........................: 2.5ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Disabled]
    CPU Host Frequency (Mhz) ............: 200Mhz
    PCI Express Frequency (Mhz) .........:Set to 100

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

    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    System Memory Multiplier ..............: 4.00C or 4.00+ or 4.00 with no letter/symbol
    Memory Frequency (Mhz) ..............: 800
    DRAM Timing Selectable ................: [Manual]

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

    Manually set these below for now as I see one for sure that is holding you back, aside from the above memory strap selection issue (I can give you better ones later, but the ones Greg gave you are for sure also correct.


    ACT to ACT: 3
    Rank Write to Read: 4
    Write to Precharge: 6
    Refresh to ACT 62
    Read to Precharge: 5
    Static Tread: 3 << Here is likely your issue this is way to low. Set to 7-8 for now
    Statice Phase Adjustment: 0 << Set to Auto always

    Here would be optimal ranges for the above settings >>>

    ACT to ACT: 3-4
    Rank Write to Read: 3-6
    Write to Precharge: 4-6
    Refresh to ACT (46-50) 52-62
    Read to Precharge: 3-6
    Static Tread: 5/6-7-8
    Statice Phase Adjustment: 0 << Set to Auto always

    System voltage: Manual
    DD2 Overvolt: +0.2 << Set to 2.1 for now, so +0.3 (See what it is in the PC Health section after you save and reboot. It may need more or less actually. 2.0-2.1 would be best

    MCH Overvoltage: +0.1v (have also tried +0.2)
    << I suggest +0.2-.3 So try .25 and then .3

  3. #13

    Default Re: EP45-UD3P won't boot with 2x2GB installed - UGH!

    Thank you very much for getting back to me!

    I tried what you suggested, but there appears to be little difference.

    I'm a little confused about what you mean with the multiplier, however. On my list, the only two choices with any sort of symbol are 4.0+ and 4.0~ Neither of them work. I tried both, as well as 3.33 and 3.0, with all the other timings you suggested, and the MCH bumped up +0.3v.

    I've also noticed that upon a successful reboot (with only one stick, obviously) the numbers on the left hand side remain at whatever their auto settings would be, despite the fact that my new figures are on the right in square brackets. Like this:

    ACT to ACT: 3 [3]
    Rank Write to Read: 3 [4]
    Write to Precharge: 6 [6]
    Refresh to ACT: 52 [62]
    Read to Precharge: 3 [5]
    Static Tread: 3 [3]
    Statice Phase Adjustment: 0 [auto]

    Does this mean that the BIOS may not be APPLYING the settings? All the numbers on the left are greyed out, but I'm unsure if they always remain at whatever the system detects as optimal for the RAM, or if they are the settings currently being used.
    Last edited by vulcan500rider; 11-18-2008 at 12:31 AM.

  4. #14
    Lsdmeasap's Avatar
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    Default Re: EP45-UD3P won't boot with 2x2GB installed - UGH!

    Did you try 4.00 with no symbol? You can ignore the left values in the BIOS, they are not even Auto values only what the board has used at one time or another for Auto. What you are setting is being applied as long as you have less then 3 reboots when you save your settings.

    Static Tread of 3 is NOT going to work at all, use 7-10 for now

  5. #15

    Default Re: EP45-UD3P won't boot with 2x2GB installed - UGH!

    Whoops; typing error. I have static Tread set to 8 right now.

    I don't actually have a straight 4.0 setting. I have 4.0+ (strap to 800) and 4.0~ (strap to 1066). Strangely, if I set it to 4.0+, I can't even boot with one stick (three reboots, back to stock), though if I set to 4.0~, it will boot. However, neither setting allows me to boot with two memory dimms.

  6. #16
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    Default Re: EP45-UD3P won't boot with 2x2GB installed - UGH!

    What MCH voltage are you using when you try both 4.00's? I would add some more and raise tRead to 11 for now to rule that out

  7. #17

    Default Re: EP45-UD3P won't boot with 2x2GB installed - UGH!

    Sorry about the delay; I've been busy. I tried what you suggested, setting the MCH to +0.3v (the max the board allows), and the tread to 11. The system still fails to boot with two sticks, though now rather than doing multiple reboots, it simply does the "boot" where the CPU fan does not come on, and the system never actually reaches post...just sits with a blank screen.

  8. #18
    Lsdmeasap's Avatar
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    Default Re: EP45-UD3P won't boot with 2x2GB installed - UGH!

    Please post your full settings you are trying and I will see what I can advise

    Did you try slots 2+4 instead of 1+3?

  9. #19

    Default Re: EP45-UD3P won't boot with 2x2GB installed - UGH!

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto or Fast
    CPU Clock Ratio ..........................: 12
    Fine CPU Clock Ratio.....................:.5
    CPU Frequency ...........................: 2.5ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Disabled]
    CPU Host Frequency (Mhz) ............: 200Mhz
    PCI Express Frequency (Mhz) .........:Set to 100

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

    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    System Memory Multiplier ..............: Have tried 3.33, 4.0+, 4.0~, 3.0
    Memory Frequency (Mhz) ..............: 800
    DRAM Timing Selectable ................: [Manual]

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



    ACT to ACT: 3
    Rank Write to Read: 4
    Write to Precharge: 6
    Refresh to ACT 62
    Read to Precharge: 5
    Static Tread: 10
    Statice Phase Adjustment: 0 << Set to Auto always



    System voltage: Manual
    DD2 Overvolt: +0.2 (reads 2.11 in PC Health)

    MCH Overvoltage: +0.3v

    I have also just tried using the slots 2+4 again, with no luck. In fact, I have some trouble just getting things to work with one dimm in slot 2; the system knocks me back to stock settings anytime I set timings manually, and if I choose a mem multiplier of 4.0~, it gives me three long angry beeps (which makes sense, given that straps it to 1066, but it boots fine with that setting when in slot 1).

  10. #20
    Lsdmeasap's Avatar
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    Default Re: EP45-UD3P won't boot with 2x2GB installed - UGH!

    Hmm, have you tried a overclock at all? Like 333 FSB yet? 333x9 w/ 2.40 Multi

    That may help even things out for sure, more vcore would likely be needed

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