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Thread: Memery settings




  1. #1
    Join Date
    Dec 2004
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    Pa
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    Default Memery settings

    I'm running MSI NEO 2 PLATINUM with athlon 64 3500 cpu. I bought kingston KHX 3200 1GB 128M x 64 Bit PC3200 CL 2.5 184pin dimm Memory. For this type of memory I got to go in the bios and set the memory settings for the ram to work properly. My question is how do I find out each of these settings so I can manully set up my bios:
    CAS# Latency (TLC)
    RAS# to CAS# delay (TRCD)
    Min RAS# active time (TRAS)
    Row Precharge Time (TRP)

    Now here is some Spec's for this memory:
    Programmable Read Latency 2.5,3 (clock)
    Programmable Busrt Lenght (2,4,8)
    Timing Reference: 2.5-3-3-7-1 @ +2.6V

    any help would be great I'm tired of my system crashing...
    Athlon 64 3500+, Msi K8N Neo2 Platinum, Kingston Hyper X, WD Raptor 37 GB, FX 5900 ultra,Windows XP Home with SP2

  2. #2
    Join Date
    Nov 2003
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    Minnesota, United States
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    Default Re: Memery settings

    You open up your BIOS and look around until you find the section on RAM. You'll likely have to change the control options from something along the lines of "optimal" or "default" to something like "aggressive" or "expert." But exactly what is it that you think your RAM's timings are causing crashes?

    Anyway, set your timings for 2.5-3-3-11 (CAS-tRP-tRCD-tRAS).

  3. #3

    Default Re: Memery settings

    why 11? I'm pretty sure most Rams sold in stores like best buy n circuit city are all 2.5-3-3-7. Is it because of the math about adding the first three or something... I forgot.
    -Case - Aspire X-Dreamer (Silver)
    -Processor - P4 2.8C OC 3.26GHz
    -Motherboard - Chaintech S865PE Socket 478 Intel® Pentium 4 800MHz FSB Intel 865PE + ICH5
    -RAMs - pqi TURBO (2 x 1GB) DDR400 Dual Channel 2.5-3-2-5
    -Graphic Card - HIS ATI 512MB X1650 Pro
    -Hard Drive - Western Digital 7200rpm 8mb cache (250gb)
    -CD Drive - NEC DVD-RW ND-2510A

  4. #4
    Join Date
    Apr 2004
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    Australia
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    Default Re: Memery settings

    Athlon64's like that setting between 9 and 13 with 10 usually being the most common but you'll have to use a memory benchmark to be sure of which setting is the best for your setup.

  5. #5
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    Dec 2004
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    Pa
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    Default Re: Memery settings

    Thanks guys for the reply,I went in my bios and set everything manully.The reason I think the memory is causing the crashes is because when it crashes I get error codes and they are saying it's my memory. For future reference how do I get the numbers you came up with??
    Athlon 64 3500+, Msi K8N Neo2 Platinum, Kingston Hyper X, WD Raptor 37 GB, FX 5900 ultra,Windows XP Home with SP2

  6. #6
    Join Date
    Nov 2003
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    Default Re: Memery settings

    Quote Originally Posted by jd53887
    why 11? I'm pretty sure most Rams sold in stores like best buy n circuit city are all 2.5-3-3-7. Is it because of the math about adding the first three or something... I forgot.
    Actually it's 10 (got myself confused...) ... Like Wayout said. In almost all cases, 10 is the best tRAS setting for an Athlon 64 system. P4s tend to be better at 5 or 6, and socket A systems best use the formula of CAS + tRDC + 2 <= tRAS, but in all cases some benchmarking may be needed to find the best spot.

    As for the errors, those just identify the area of memory where the problem occured. They do not always (or even usually) mean it's a RAM error.

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