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Thread: Installed New DDR RAM with differing CAS (CL) Latencies and Voltages

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    Join Date
    Mar 2006
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    Ubuntu 12.04 Precise Pangolin

    Installed New DDR RAM with differing CAS (CL) Latencies and Voltages

    The info below is based on a misunderstanding. I thought the memory stick I had was 1.8 volts and the new one I bought was 1.5 volts. They were both 1.8 and all that follows is UNTRUE.

    MythTV, installed about a month ago has me very flummoxed. So I bought a new 2 gig stick of ddr2 ram. I know all the stories about ram has to be from the same maker and the timings and voltages must match, etc. BUT, I found an easy solution to get two different 2gig sticks, with both different voltages (1.5 vcc and 1.8 vcc) and two differing timings (5-5-5-15 and 5-5-5-18) to work together. I did not have to change any BIOS settings.

    And this is so easy to do.

    1 - unplug the power cord from the computer

    2 - press and hold down the on/off switch for 5 seconds (let's the capacitors in the psu drain)

    3 - remove all memory sticks from their slots, put them on static proof material

    4 - plug the power cord into the computer and power up the computer - hear the beeps

    5 - power down the computer, remove the power cord, press and hold down the on/off switch for 5 seconds

    6 - install all memory sticks

    7 - plug power cord back in to the computer - power up - you should be golden, I was.
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    Last edited by Mark_in_Hollywood; March 6th, 2013 at 04:46 AM.
    AMD Athlon II X4 620, 4gig ddr2-800, m/b MSI K9N6PGM2, 1T SATA, EVGA 9500GT, Brother MFC-240C prntr, LG DVD-rom GSA-H55N

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