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Thread: mobile athlon XP mobo woes

  1. #1
    FLAC evandude's Avatar
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    mobile athlon XP mobo woes

    Alright, call me a noob, or whatever... but I started with an epia system and needed more speed out of it so I went with an XP-M setup. I bought a biostar M7NCG 400, and an XP-M 2200+, and everything has been almost fine and dandy, except of course the M7NCG is a version 7.2 and so I can't use standby. I also haven't been able to get hibernate working, I haven't pinned down whether that's an issue with the mobo, or with some other piece of hardware, but I've heard of others having that problem so I am kinda blaming the mobo. Honestly, I love the mobo in all other regards, the nforce2 chipset is great, I got on-the-fly FSB throttling working to slow it down when the CPU load was low, etc etc... but it kills me that they cut out S3 standby just to save $2-3.

    I had a biostar M7VIZ 400 that I just tried out last night, and I KNEW that board was capable of standby and hibernate, as it worked in my desktop computer for a while... So I set it up with the XP-M (pin modded) and it ran OK, but when I try to resume from standby it restarts and gives a "windows recovered from a critical error".... same thing trying to resume from hibernate. This is on a fresh install of windows with the newest drivers (tried the drivers that came with it before that, same deal). Also, because the VIA chipset is lame, I am stuck at 1.5v core voltage so it runs hot, kinda killing the point of the mobile processor.

    Can anyone recommend a socket A mobo that can do these things:
    handle an XP-M (I don't mind pin-modding)
    allow me to get core voltage down to 1.35v, or at least down to 1.4 or so
    support S3 standby
    and just not be a piece of junk in general.

    Those few features really don't seem like too much to ask, and I am really tired of buying new mobos, only to find out they dont do what I need; I've been looking at all sorts of mobos, searching the user manuals to see if they can do those things, but in most cases either they can't, or the manual doesn't really say if they can or not. With all the people I hear running XP-M's, it amazes me that I've had this much trouble finding a mobo.

    Newegg has a couple of mobo/cpu/heatsink combos that include XP-M's that are actually in the socket 754 package, basically a gimped version of a sempron (no 64 bit, and less cache) that are rumored to run very cool... maybe I'll have to ditch both my current mobo and processor and just go that route.
    But don't take it from me! here's a quote from a real, live newbie:
    Quote Originally Posted by Viscouse
    I am learning buttloads just by searching on this forum. I've learned 2 big things so far: 1-it's been done before, and 2-if it hasn't, there is a way to do it.
    eegeek.net

  2. #2
    MySQL Error MatrixPC's Avatar
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    The board I am using is fine (Asus A7N8X-400/VM). It does hibernate/standby without any problem. You have to pin modded the cpu. The only thing it not possible (or I am not knowing how) is lower the core voltage.
    2004 Matrix XR A7N8X-VM/400 AMD XP-M 2500+, DS-ATX
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  3. #3
    FLAC evandude's Avatar
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    Yeah, that's one of the ones I considered. I am just not sure I would want to live with 1.5v or so core voltage. With the proper core voltage of 1.35v on the M7NCG, the processor ran cool enough that the heatsink didn't even feel hotter than room temperature most of the time, but when I put the processor in the M7VIZ and it was stuck at 1.5v, i could feel the heatsink was warm within minutes, even just in the BIOS. I backed off the FSB to 100 MHz and it ran about as cool as it used to with the lower core voltage, but at that point I was underclocking by about 25% just to keep things cool and minimizing power use; but that kind of defeats the point of using the mobile processor.

    From my conversation with the Biostar tech, it sounds like they might actually still manufacture another version of the M7NCG that supports S3... but none of the retailers that sell it seem to make any indication of the version of board they are selling, and it seems to always end up being the 7.x version without standby (cheaper version)... Considering the popularity of the M7NCG on here even without standby available, I'm surprised no retailer has picked up the ball, if that is the case...

    Today I caved and ordered a mobo/processor combo from newegg. PC CHIPS A31G mobo and an XP-M 2800+ (socket 754). Info is limited on the processor, because it seems it was a very limited run, but supposedly it has some of the architecture/features of the sempron/athlon 64 series, most importantly the cool'n'quiet dynamic underclocking feature. No pin mods or other setup needed for the board to recognize the processor, mobo is supposed to support S3 standby, people say it runs very cool and quiet (which generally means low power use), BIOS allows tweaking FSB and voltage, the whole thing was only a little over $100, and if it doesn't live up to expectations I should be able to return it.
    But don't take it from me! here's a quote from a real, live newbie:
    Quote Originally Posted by Viscouse
    I am learning buttloads just by searching on this forum. I've learned 2 big things so far: 1-it's been done before, and 2-if it hasn't, there is a way to do it.
    eegeek.net

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