RAM compatibility HP Compaq DX2300 microtower

By Ultiweap ยท 9 replies
Sep 11, 2010
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  1. Hello,

    You may get information about my Desktop on my specs. I have precisely an HP Compaq DX2300 Microtower and I recently get a 1GB RAM stick with a friend as he change everything on his PC. The RAM that I use is DDR2 667 Mhz but the one I got with my friend I do not know what it is exactly. I can see that there is 1GB DDR2-533 but I do not know what it is.

    I would like to know if someone could tell me what number of Mhz it is? And also if this will work on my PC.

    Thanks in advance for any help
  2. Archean

    Archean TechSpot Paladin Posts: 5,690   +96

    Well your specs say you have DDR2-800 Mhz RAM module, whereas the one you've got from your friend is 533 Mhz stick, and 1) they won't work together 2) you wouldn't want to use a slower module than the one you already got, which is faster off-course. Hope that answers your question.

    Now, getting another 1GB would improve your system's performance, perhaps you can trade this 533 Mhz stick with some IT parts shop over there, and get another 800 Mhz stick. Regards.
  3. Ultiweap

    Ultiweap TS Enthusiast Topic Starter Posts: 606

    Error in specs I have a 667Mhz one. Ok I see but in meantime may I use it with the 667Mhz? I would like to know if it won't damage my motherboard or something else in the PC?

    Thanks in advance
  4. hellokitty[hk]

    hellokitty[hk] Hello, nice to meet you! Posts: 3,448   +145

    In theory, it should work (assuming you have a 1gb stick, and plan on adding a 1gb stick), though at only 533mhz.
    Probably won't though, but very low risk in trying.
  5. Archean

    Archean TechSpot Paladin Posts: 5,690   +96

    RAM with two different speeds won't work together as I pointed out earlier, so my earlier comment still apply, you need two identical sticks to make it work, they need to be either 667 Mhz or 533 Mhz.

    So I will again emphasize that you need to get it (DDR2 533 Mhz stick) replaced/changed to DDR2 667 Mhz. Regards
  6. Ultiweap

    Ultiweap TS Enthusiast Topic Starter Posts: 606

    Ok then!!! I understand I will try to get it changed at a shop or with a technician if they accept.

    Thanks for your help
  7. Ultiweap

    Ultiweap TS Enthusiast Topic Starter Posts: 606


    I tried to put the second RAM of 533Mhz with the one of 667Mhz and it work well. On my BIOS I can see that both of them are running on 533Mhz.
  8. Archean

    Archean TechSpot Paladin Posts: 5,690   +96

    Ah interesting, but thanks for update.
  9. dividebyzero

    dividebyzero trainee n00b Posts: 4,891   +1,264

    Different bandwidth (speed) rated RAM used in conjunction will run at either the highest profile common to both (or more) modules -usually a standard JEDEC specification (DDR2-533, -667 or -800 at 5-5-5-18 timings) or default to one of these common-to-all JEDEC specs if the CPU's FSB/memory divider will not allow the highest common bandwidth to be achieved.
  10. Archean

    Archean TechSpot Paladin Posts: 5,690   +96

    Thanks for the insight DBZ, I advised based upon my experience, and in last 10 years or so, I haven't bought any non-Intel board, that is probably where the problem lies then, because I ran in to problems whenever I tried to couple two different frequency RAMs in a machine; however, I do remember, in the days of Pentiums you could do this easily. Anyway, thanks again. Regards

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