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Thread: upgrade question




  1. #21
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    Why not? That's the chipset that was released to handle the 533 chips....also supports HT...

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  2. #22
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    The 845 was? Wasn't that a hybrid chipset that allowed you to use either standard SDRAM or DDR?

    And yes, as you can tell I've been using AMD for several years so I'm not up to speed on Intel chipsets.
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  3. #23
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    Hm not sure about the SDRAM part, I thought the pinout was different for that...

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  4. #24
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    Quote Originally Posted by slovak
    i want to upgrade my processor. my mobo has a 478 socket which i know that is needed to upgrade to the higher p4 processors,

    Are you sure it has a 478 pin socket and not a 423 pin socket? Compaq used a lot of those old P4 423 pin boards to cut cost in the Presario 5000 thru 7000 series systems. If this is the case then a P4 1.8 Ghz (maybe 1.9GHz) is probably the max for those boards if you can even find one of those old 423 pin CPU's anymore.

  5. #25
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    so what is the most deciding factor on processor capabilities chipset or the motheboard itself? assuming of course you have the proper socket.

  6. #26
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    Power requirements.

    But I would bet if you have a S478 845 chipset board you can run any 400/533 Northwood.

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  7. #27
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    Quote Originally Posted by Soulburner
    Power requirements.

    But I would bet if you have a S478 845 chipset board you can run any 400/533 Northwood.
    In actual fact the original i845 chipsets (i845 and i845D) only supported a 400MHz data bus, spec's.
    It wasn't till the i845E chipset that both the 400MHz and 533MHz data buses were supported, spec's.
    The fastest 400MHz data bus P4 made was 2.5GHz though the Celeron has now reached 2.8GHz (same data bus speed) but those faster Celerons won't have the performance of the 2.5GHz P4 due to their much smaller L2 caches.

  8. #28
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    Ok then....I just assumed that because that's what my 845PE is.

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  9. #29
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    does anyone have any info on this mobo, its made by compaq a spider-d, 0784h, compaq part #267528-004 and has a intel 845 chipset. its in a presario 5000 (5423us). what i'm looking for is supported processors.

  10. #30
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    ok i just got some info from another forum that my mobo will only support a 2.0 400fsb, trying to confirm that with a post on the motherboard forum here, anyway.... if this is true would it be worth upgrading from a 1.6 to 2.0? the 1.6 only has a 256 cache and the 2.0 has a 512.

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