pc2100 upgradable?

have a dell dimension 4400 with a 1.7 ghz processor, 256 mb L2 cache, 400 bus speed. have 512 mb of DDR SDRAM, non-parity, unbuffered, PC2100 of memory (whatever the heck all that means). it has a 1 gb max and am about to do so, but do i have to stick with pc2100? what limitations would i have and how can i determine them? thanks in advance. :•)
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  1. I do believe your true bus speed is 100MHz, so the 133ddr speed of your pc2100m ram is not even being used at the moment... you might be able to get your quad bus speed from 400 up to 533 by overclocking... research that...

    I do believe your system cannot make use of ram faster than pc2100, but it may well work with pc2700 or pc3200 ram running at pc2100 speeds along with with your current pc2100 ram... but we need more specific info about your board...

    If you get a deal on 512 mb of pc2100 ram, get it... if pc2700 is the same price, get it...

    Your Dell motherboard working with just any type of ram is something you will have to research and test...

    <font color=red><b>NF7-S/Mobile Barton 2600+
    211x11.5 1.808v SLK900A
    1GB Corsair XMS PC3200
    Sapphire 9500np@9700np</font color=red><font color=black>
    NF7-S/Barton 2500+
    200x11.5 1.76v
    512MB XMS PC2700
    XFX Ti4200
  2. you have the intel 845 chipset. get rid of that dell bios and flash it with the real intel bios. with any luck, you will have way more options opened up to you than what you have now.

    you can get pretty much any ddr ram you want.

    </font color=red><b><font color=orange>my sys:
    mobo: Abit AN7 @ 442 FSB
    CPU: AMPm 2600+ @ 4100+
    ram: corsair xms @ 1:1 running 2.5-3-3-6
    HDD: two raptors on raid 0
    vid: 9800pro @ 467mhz GPU and 834mhz ram
  3. He's likely running a single channel chipset, so his system CAN make use of the extra 33MHz of PC2100. In fact, the OPTIMAL single channel RAM solution for a 400 bus P4 is PC3200! That's why Intel came out with dual channel chipsets!

    But Intel's chipsets don't support 200MHz DDR clock with 100MHz CPU clock, only SiS does that as far as I know. So PC2100 it is!

    <font color=blue>Only a place as big as the internet could be home to a hero as big as Crashman!</font color=blue>
    <font color=red>Only a place as big as the internet could be home to an ego as large as Crashman's!</font color=red>
  4. You'll likely get a bigger boost out of a faster processor. In fact, there are P4 1.6's faster than your 1.7, because Intel replaced the core. Depending on your chipset a 2.4A would work, but a 2.4B would be better (those are just examples).

    <font color=blue>Only a place as big as the internet could be home to a hero as big as Crashman!</font color=blue>
    <font color=red>Only a place as big as the internet could be home to an ego as large as Crashman's!</font color=red>
  5. Yes, 3200 in single channel would match the bandwidth of the 400 FSB. Of course, that is supposing he runs a 1:2 ratio with the FSB. Interestingly enough, this is one of the few times I can think of that running the memory asynchronously is a good idea.

    "The only way to overcome temptation is to yield to it" - Oscar Wilde
  6. P4 with Single Channel RAM has always favored running the fastest RAM you have, even if it's just running PC2100 asynchronously with the 400 bus. You're trying to fill the gap here!

    <font color=blue>Only a place as big as the internet could be home to a hero as big as Crashman!</font color=blue>
    <font color=red>Only a place as big as the internet could be home to an ego as large as Crashman's!</font color=red>
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