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Thread: ram underclocked

  1. #1
    Registered User
    Join Date
    Jul 2004
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    ram underclocked

    p4 2.53 133mhz at 150mhz with ddr400 ram on 5/4 divider giving 187mhz.
    mobo asrock with i865G.
    i built this around a spare cpu i had and its underclocked but fast enough running at 2.84.

    my question is about the ram timings...its crucial ballistix claimed at 2-2-2-8 at 200mhz but it picks up by auto in bios as 2.5-4-4-8...i have manually set it to the faster timings but got the occasional crash in games,and then the bios would reset on startup to defaults again.

    am i expecting too much of this ram? does underclocking affect the timing specs?

  2. #2
    Senior Member
    Join Date
    May 2004
    Rochester, NY
    8 times in 8 posts
    • oralpain's system
      • Motherboard:
      • DFI "Blood Iron" P35-T2RL
      • CPU:
      • Intel Pentium E2140 @ 400x8 (3.2GHz), 1.375v
      • Memory:
      • Crucial Ballistix DDR2 800 CL4 @ 500MHz (DDR 1000), 4-4-4-12-T2, 2.3v
      • Storage:
      • 2x Seagate ST3250410AS
      • Graphics card(s):
      • NVIDIA 8800GTS (G92) 512 @ 783MHz core, 1836MHz shader, 1053Mhz memory, stock cooling 70% fan speed
      • PSU:
      • Seasonic SS-500GB
      • Case:
      • Antec P182, with some small modifications
      • Monitor(s):
      • ASUS VW222U
      • Internet:
      • Time Warner "Road Runner" Cable - 16 megabit downstream, 1 megabit upstream
    Using lower ratios often alters some timings that you do not see with most boards.

    You may also need to give the memory more voltage. Ballistix is often rated for 2.8v while DDR default is 2.5-2.6v.

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