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Thread: Achieving 1:1 FSB:DRAM on ASUS P5B-E

  1. #1
    Senior Member retroborg's Avatar
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    Aug 2003
    17 times in 11 posts

    Achieving 1:1 FSB:DRAM on ASUS P5B-E

    Good day.

    I was wondering what settings I have to apply in my Mother Board in order to achieve a 1:1 FSB : DRAM ratio without damaging my PC components.

    I’m currently using 4 x 2GB (8GB Total in Dual Channel) DRR-2 Kingston KHX6400D2/2G memory modules (99U5316-068.A00LF) 1.85V,
    2.4GHZ Core 2 Duo E6600 Intel CPU (4MB Cache) and an ASUS P5B-E (Intel945 chipset) Mother Board with the latest BIOS.

    All mother board settings are set to Auto and configure DRAM timing by SPD is Enabled.
    Memory Remap feature in Enabled (Allow remapping of overlapped PCI memory above the total physical memory)
    My mother board memory voltage can be set up to 2.10V
    CPU Frequency when AI tuning is set to manual is at 266 and can range from 100 – 650
    DRAM Frequency is set to auto but can reach up to 1066
    PCI Express Frequency is Auto but can reach up to 104
    CPU VCORE voltage can reach up to 1.5250V
    FSB Termination Voltage can reach up to 1.450V
    PCI Clock Synchronization mode can be set to 33.33MHZ
    The CPU FSB is 1066
    CPU Ratio setting is Auto
    Ratio Status is unlocked and can range Max 09.0 – Min 06.0
    Ratio Actual Value: 9

    This is what CPU-Z is currently showing:

    CPU when idle:

    CPU in full load when playing RAGE.

    My mother board:

    My memory:

    Thanks in advance.
    Last edited by retroborg; 24-10-2012 at 09:38 PM.

  2. #2
    Not a good person scaryjim's Avatar
    Join Date
    Jan 2009
    2,254 times in 1,854 posts
    • scaryjim's system
      • Motherboard:
      • Dell Inspiron
      • CPU:
      • Core i5 8250U
      • Memory:
      • 1x 8GB DDR4 2400
      • Storage:
      • 128GB M.2 SSD + 1TB HDD
      • Graphics card(s):
      • Radeon R5 230
      • PSU:
      • Battery/Dell brick
      • Case:
      • Dell Inspiron 5570
      • Operating System:
      • Windows 10
      • Monitor(s):
      • 15" 1080p laptop panel

    Re: Achieving 1:1 FSB:DRAM on ASUS P5B-E

    To acheive a 1:1 DRAM ratio you'd just turn your memory speed down to 533, but I don't really see why you'd do that?

    I assume the point is you're planning on overclocking? In which case you need to turn your RAM ratio down to lower the RAM speed, slowly up the FSB to find your best stable overclock, then up the RAM speed again to get as close to 800 as possible without going over.

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