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Thread: GA-EP45-DS3L with continual memory issues




  1. #1
    Join Date
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    Default GA-EP45-DS3L with continual memory issues

    I've been having off and on issues with memory problems ever since I built my computer last year. Despite switching in different ram or changing timings around, the memory problems would disappear (or I'd just not notice them) for anywhere between months to hours before cropping up again. Memtest would turn up completely clean, but after running in Windows for how ever long they'd appear again, and booting into Memtest again would pop up a bunch of errors. Since this happens with different RAM sticks, and I've even RMA'd one, I'm almost positive it isn't a problem with the RAM itself. Instead, I'm assuming it's a problem with either my BIOS settings, ram timings, the motherboard itself, or the CPU.

    Any help would be appreciated, this computer with Alzheimers is completely frustrating me.

    CPU: Intel Core 2 Duo E8400 Wolfdale @ 3.00GHz

    Motherboard: GA-EP45-DS3L

    BIOS Version: F10

    RAM: 2x 2GB Crucial Ballistix 240-pin DIMM, DDR2 PC2-6400 (Specs: DDR2 PC2-6400 • 4-4-4-12 • Unbuffered • NON-ECC • DDR2-800 • 2.0V • 256Meg x 64)

    OS: Windows 7 Ultimate 64bit (same problems with XP and Vista when I had them)

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 9x
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 3.00GHz (333x9)
    
    
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled] 
    CPU Host Frequency (Mhz) ............: 333 Mhz
    PCI Express Frequency (Mhz) .........:100
    C.I.A.2 .................................:[Disabled]
    
    
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 800
    PCI Express Clock Drive.................: <<< 900
    CPU Clock Skew (ps)....................: <<< 0ps
    MCH Clock Skew (ps)...................: <<< 0ps
    
    
    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............: 2.40B
    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
    tWTR..........................................3
    tWR............................................6
    tRFC...........................................52
    tRTP...........................................3
    Command Rate (CMD) ....................:2
    
    Driving Strength Profiles
    Driving Strength ............................[Auto]
    
    Channel A
    Static tRead Value.........................: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  ps
    Dimm2 Clock Skew Control...............:Auto  ps
    
    Channel B
    Static tRead Value.........................: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  ps
    Dimm2 Clock Skew Control...............:Auto  ps
    
    Motherboard Voltage Control
    
    CPU
    CPU Vcore….………....1.25000V............:Auto
    CPU Termination…..... 1.200V.................: Auto
    CPU PLL…………….....1.550V.................: Auto
    CPU Referen.…………....0.805V.............: <<<auto>
    
    MCH/ICH
    MCH Core…………….....1.100V...........: <<1.200V
    MCH Reference….…….0.760V...........; <<< 0.800V
    ICH I/O……………….....1.550V............: <<< 1.550V
    
    DRAM
    DRAM Voltage ……....1.800V............: 2.000V
    
    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 ..............[Disabled]
    </auto>

  2. #2
    Chike is offline Senior Member
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    Default Re: GA-EP45-DS3L with continual memory issues

    It looks like your CPU temps are quite high for prime95 at stock speed I wonder if it's something with your case teperature, and if the NorthBridge doesn't over heat.
    Check that the NB heatsink is not moved and seated peoperly. It should feel warm or even hot to touch, if it's not there may be a problem.
    The ram shouldn't be hot that you can't tough it for long, if it is that may be a problem too.
    Could be that the ram is also heating if the case is not well ventilated.
    Try open case with room fan blowing on it and see if there's any difference (at least with CPU temps)

  3. #3
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-EP45-DS3L with continual memory issues

    You may need 1.24 MCH, and you may also need 2.02-2.04V to the ram as your board may be drooping on the voltages a little bit.

    Of course the ram itself may be starting to have faults too, not sure and I can see from your comments this is hard to tell if this is the case or not.

    I do know for sure this ram works fine in Gigabyte P45 boards though as I reviewed it a while ago, link in my signature if you are interested

  4. #4
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    Default Re: GA-EP45-DS3L with continual memory issues

    Alright, the northbridge is definitely hot to the touch, as is the heatsink of the RAM. I wouldn't say that the RAM is so hot that I can't touch it for long though - it's definitely just hot but not too hot (as far as I can tell, but its certainly more hot than warm). Edit: Also, checking again, the third slot is a lot more hot than the first slot which is merely warm to the touch.

    With the case off and Prime95 running (but no external fan blowing on it), the High temps according to CoreTemp are 57C, so that is definitely an improvement.

    I also made the changes that Lsdmeasap recommended, and am currently stresstesting a 1.24MCH and 2.02 voltage in Prime95. I'll let you guys know if it errors out on me, but traditionally it takes awhile for it to do so.

    Thanks again for the help, and as a reference, since it might help, here is a picture of my case.

    Last edited by nimdok; 08-26-2009 at 03:10 AM.

  5. #5
    Chike is offline Senior Member
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    Default Re: GA-EP45-DS3L with continual memory issues

    Quote Originally Posted by nimdok View Post
    With the case off and Prime95 running (but no external fan blowing on it), the High temps according to CoreTemp are 57C, so that is definitely an improvement.
    This means the case temperature was about 10c above room temperature.
    Those 2 fans are both exhust I am guessing, have any intakes in front?

    EDIT: what room temperature you have?

  6. #6
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    Default Re: GA-EP45-DS3L with continual memory issues

    Yeah, the case is a Antec P182. There's no front intake at the moment, but I could remove the middle drive bay and buy an intake fan to put there.

    My current room temperature is about 71 to 72F (22C) I'd estimate. Although this fluctuates a bit since I don't have air conditioning. But problems have definitely popped up at this temperature.

  7. #7
    Chike is offline Senior Member
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    Default Re: GA-EP45-DS3L with continual memory issues

    Not that bad then, my normal room temp is 30-32c(86-90F) during summer, but the exhust air is only 2c above room temp.

  8. #8
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    Default Re: GA-EP45-DS3L with continual memory issues

    It's pretty critical you fit an intake ASAP. You can't rely on negative pressure alone to force fresh air into the system.

    You'd see an improvement no doubt if you used the current top extraction fan as an intake. Then when you get another fan, you can replace it. A 7c drop in temps when you take the side off is definitely an indication of poor air flow. With my current setup, temps actually go DOWN with the sides on and everything sealed. That's the effect (or near) you get with optimal airflow.

    It looks as though for an intake to work, you'll have to have the case dooe open when the machine is on. Unless I'm missing something from the Newegg photo's the whole front door seems to be solit, with no vent holes. If you're into modding you could always cut one with a Dremmel, then add a mesh screen. Curling the edges of the mesh and mounting it to a plastic frame will cover up any untidy cutting edges if you stick it on the outside of the door.

    If you have the option to fit a side intake in line with the CPU, as it's a top down cooler, a fan and duct would give the HSF fresh cool air directly from the outside. An intake on the front would then be less of an issue, although your GPU may be getting toasty.

    On a side note, with no intake, the case temp is likely to be much more that 32c. I'd say anywhere between 34c and 40c in the top compartment. My case is extremely well vented and it touches 30c at that kind of ambient.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  9. #9
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    Default Re: GA-EP45-DS3L with continual memory issues

    Nah, there's vent holes all along both sides that the front door is hinged on. Until I get a new fan, I'll take your advice and change the top fan to be an intake and see how much difference that makes in temperature. Most reviews claim the case has pretty good airflow, so perhaps I just need to make these adjustments to get a much cooler system.

  10. #10
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    Default Re: GA-EP45-DS3L with continual memory issues

    Vent holes along the sides aren't the same as having an open vent on the front of the case. Even with these vents, the efficiency of the fan will be hindered compared to either having the door open or having a proper grill in it. Even so, the addition of an intake is still important.

    Hopefully the strange design won't impact things too much. The difference between zero forced intake and having a full speed fan pulling air in should be noticeable. If there is no ducting or obstructions, the cool air may not reach the CPU though. If ambient temps drop in the case though, it should make at least a couple of degrees difference.

    For a good indication of how intake pressure helps your temps, monitor your GPU temperatures. As the fan will be directly opposite, the GPU should be noticeably cooler.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

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