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Thread: Combining RAM/Issues after installing RAM




  1. #11
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    Default Re: Combining RAM/Issues after installing RAM

    When I go into BIOS to adjust voltages there are too many options. I did find a setting for overclocking NB Vcore and DDR Vcore. I adjusted the DDR Vcore to 2.6v (lowest it would let me choose) and enabled NB Vcore overclock to 1.3v. Doing this gives me a BSOD w/ 4GB RAM. I adjusted the RAM clock to 166Mhz and I can get into Windows with some sound issues (it cracks and freezes, then quits altogether). What settings should I adjust next? Sorry to be a bother and thanks again for everyone's help.
    Last edited by OSUDragonMT; 11-09-2010 at 01:57 AM.
    ASUS A8N32sli Deluxe Motherboard BIOS v1409
    AMD Athlon 64 X2, 2400 MHz (12 x 200) 4800+ CPU
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    2GB (2x1GB Pair) Crucial DDR PC3200 RAM (New)
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  2. #12
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    Default Re: Combining RAM/Issues after installing RAM

    Sorry I mean to say 2.5V for the memory, or maybe a touch more since you are using two kits.

    What was the default NB voltage? Sorry I can suggest exact settings, I don't know the board, chipset, or BIOS really so I am just guessing trying to help.

    That board may not be able to handle 4GB easily, do you know anyone using 4GB on it without issues?

  3. #13
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    Default Re: Combining RAM/Issues after installing RAM

    I'l re-cap form my last post, with less emphasis on shifting multipliers, HT etc. Sorry if all that info confused.

    One very quick test that I would always try to 99% eliminate a CPU issue would be to follow up to and including step 5 below, ie set RAM specs then drop CPU multiplier from stock (12?) to 10. Now find Hyper Transport Link/ HT Link Multiplier (or similar) and lower it one notch. The multiplier should be 5 at stock, or if a MHz display is given, should read 1000MHz. Lower to 4 or to 800MHz, which ever system the board uses. This has zero performance impact, so if 800MHz HT magically makes the RAM stable, it's fine to stay there.

    If all that fails, go through the below steps from 1-9, after restoring CPU and HT link speeds via their multipliers.

    1. Start with RAM Timings. Choose a set of timings that BOTH sets of RAM can do. IN your case I'd choose 3-3-3-8, or to be on the safe side initially test 3-4-4-10, then move up to 3-3-3-8.
    2. Set Command Rate to 2T. Early Athlon IMC's IME really had trouble with all DIMM slots populated. I could never achieve 1T with 4 DIMMS, even 4 x 512MB single sided, single density DIMMS (Tried Micron, Hynix and Toshiba generic sets as well as Corsair branded).
    3. Unless you can get a couple of photo's of the advanced RAM timings, best leave any others on Auto. Different motherboards describe them differently, any proprietary settings which may be architecturally unique may confuse too.
    4. Set voltage initially to 2.5V. IMO you can safely increase to 2.65-2.7v. Any more than this and you may run into heat issues. DDR gets quite warm.
    5. Try with the RAM multi at stock for the slowest kit, which is PC3200 or 200MHz (DDR-400)
    6. If that doesn't boot, first increase voltage in steps from 2.5V to 2.7V, trying to boot after each increase.
    7. If you get a boot do 3-4 runs of LinX/Intel Burn Test. This will give you an initial feel for a system worth testing further with Prime95.
    8. If it fails and you haven't gone all the way to 2.7V, then reboot and keep on increasing voltage up to 2.7V to see if that stablizes LinX results.
    9. If still no joy, drop voltage back to 2.5V, set the RAM multi one notch slower than 200, so either 183MHz or 166MHz, which ever is available, and start again from step 6 (increase voltage from 2.5V to 2.7V in stages).
    Coolermaster CM 690 II advance Case
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  4. #14
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    Default Re: Combining RAM/Issues after installing RAM

    No problem. The original NB voltage was 1.2v I can only increase it to 1.3v. I don't personally know anyone else using this mobo, but it seems like others online have been able to use 4GB. Their issues seem to be more of not seeing the total 4GB in Windows.
    ASUS A8N32sli Deluxe Motherboard BIOS v1409
    AMD Athlon 64 X2, 2400 MHz (12 x 200) 4800+ CPU
    2GB (2x1GB Pair) Crucial DDR PC3200 RAM (New)
    2GB (2x1GB Pair) Crucial DDR PC3200 RAM (New)
    Nvidia GeForce 9400 GT PCIe Video Card
    Creative SoundBlaster Xi-Fi Audio Card
    1TB Seagate SATA HDD
    500GB Maxtor SATA HDD
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  5. #15
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    Default Re: Combining RAM/Issues after installing RAM

    In addition to my post above, it's important NB voltage is set reasonably. 1.3V should be absolutely fine but try at the half way point first, ie 1.25V or as close as possible. A small boost to SB (NF4 chipset) voltage is also worth while. While it would seem that this voltage should have nothing to do with RAM or stability, myself and others have needed to increase it by a small amount when tinkering with RAM, base clock or both. Stock should be 1.5V. 1.54/1.55V should be plenty.

    Also note that NF4 based boards list the primary RAM timings out of the usual order. Correct order for all MSI and ASUS boards is CAS - tRAS-tRP - tRCD so if entering specs of for example 3-4-4-10 the screen should read 3-10-4-4- from top to bottom, CAS to tRCD.
    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

  6. #16
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    Default Re: Combining RAM/Issues after installing RAM

    Psycho - Thanks for the in-depth guide. I was able to follow it, but my PC (even after down-clocking the processor) refuses to run all the RAM at stock speed. I can get it to run @ 183MHz and 166MHz, but not @200MHz. I tried to find the HT clock speed, but I cannot find it for the life of me. I thought it might be the SB -> NB freq multiplier, but I was wrong. I will continue playing with it for the next few days, and I'll check in to let you all know how it's going.

    Even after getting into Windows (finally) w/ 183MHz clock the audio is all messed up. I might try the on-board audio and see how it fares.

    On this board the only option for SB OCing is to increase voltage from stock to 1.6v (which I have enabled.

    I am going to try to add pics of the options I have for fine-tuning memory timings, but the board seems to do a good job on its own. I will also try to get pics of the Memory timings I have achieved so far. Wondering about your opinion as to which looks best.


    Attachment 2997
    ASUS A8N32sli Deluxe Motherboard BIOS v1409
    AMD Athlon 64 X2, 2400 MHz (12 x 200) 4800+ CPU
    2GB (2x1GB Pair) Crucial DDR PC3200 RAM (New)
    2GB (2x1GB Pair) Crucial DDR PC3200 RAM (New)
    Nvidia GeForce 9400 GT PCIe Video Card
    Creative SoundBlaster Xi-Fi Audio Card
    1TB Seagate SATA HDD
    500GB Maxtor SATA HDD
    160GB Maxtor IDE HDD
    Antec Neo HE 500W Power Supply

  7. #17
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    Default Re: Combining RAM/Issues after installing RAM

    ASUS A8N32sli Deluxe Motherboard BIOS v1409
    AMD Athlon 64 X2, 2400 MHz (12 x 200) 4800+ CPU
    2GB (2x1GB Pair) Crucial DDR PC3200 RAM (New)
    2GB (2x1GB Pair) Crucial DDR PC3200 RAM (New)
    Nvidia GeForce 9400 GT PCIe Video Card
    Creative SoundBlaster Xi-Fi Audio Card
    1TB Seagate SATA HDD
    500GB Maxtor SATA HDD
    160GB Maxtor IDE HDD
    Antec Neo HE 500W Power Supply

  8. #18
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    Default Re: Combining RAM/Issues after installing RAM

    2GB RAM, 200MHz, stock voltage

    Attachment 2999
    ASUS A8N32sli Deluxe Motherboard BIOS v1409
    AMD Athlon 64 X2, 2400 MHz (12 x 200) 4800+ CPU
    2GB (2x1GB Pair) Crucial DDR PC3200 RAM (New)
    2GB (2x1GB Pair) Crucial DDR PC3200 RAM (New)
    Nvidia GeForce 9400 GT PCIe Video Card
    Creative SoundBlaster Xi-Fi Audio Card
    1TB Seagate SATA HDD
    500GB Maxtor SATA HDD
    160GB Maxtor IDE HDD
    Antec Neo HE 500W Power Supply

  9. #19
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    Default Re: Combining RAM/Issues after installing RAM

    Current Configuration. 4 GB RAM @ 183MHz, stock Voltage

    Attachment 3001
    ASUS A8N32sli Deluxe Motherboard BIOS v1409
    AMD Athlon 64 X2, 2400 MHz (12 x 200) 4800+ CPU
    2GB (2x1GB Pair) Crucial DDR PC3200 RAM (New)
    2GB (2x1GB Pair) Crucial DDR PC3200 RAM (New)
    Nvidia GeForce 9400 GT PCIe Video Card
    Creative SoundBlaster Xi-Fi Audio Card
    1TB Seagate SATA HDD
    500GB Maxtor SATA HDD
    160GB Maxtor IDE HDD
    Antec Neo HE 500W Power Supply

  10. #20
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    Default Re: Combining RAM/Issues after installing RAM

    4GB RAM @ 166MHz, 2.6v

    Attachment 3002
    ASUS A8N32sli Deluxe Motherboard BIOS v1409
    AMD Athlon 64 X2, 2400 MHz (12 x 200) 4800+ CPU
    2GB (2x1GB Pair) Crucial DDR PC3200 RAM (New)
    2GB (2x1GB Pair) Crucial DDR PC3200 RAM (New)
    Nvidia GeForce 9400 GT PCIe Video Card
    Creative SoundBlaster Xi-Fi Audio Card
    1TB Seagate SATA HDD
    500GB Maxtor SATA HDD
    160GB Maxtor IDE HDD
    Antec Neo HE 500W Power Supply

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