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Thread: Possible to access Mac bios?

  1. 02-27-2006, 12:37 PM #1
    wowza
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    Possible to access Mac bios?

    Well, I have an old eMac G4 700MHz hanging around, and I was wondering how do access the bios? It has 1GB of PC133 memory (that I stuck in)... I mainly use the compy for folding, and I know it needs a preformance boost, only pumping out 1WU per week. The OS is 10.15 and I also have OS9 installed. If I can't get into the bios, is there software I can use?
    Main Rig ---> E6700, Biostar TForce 965PT, 2x512 Micron D9's, Custom Watcooling, 520w OCZ Powerstream
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    Quote Originally Posted by nn_step
    because Intel likes their odds just like they like their sandwiches.. Stacked..
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  2. 02-27-2006, 12:52 PM #2
    Serra
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    Not sure about whether you can access the Mac equivalent of BIOS... but I know Macs don't have BIOS's in the same capacity that you think of PC's Basic Input Output System. Personally I don't think there is anything you can do, but I'm not sure about 3rd party software.
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  3. 02-27-2006, 01:17 PM #3
    wowza
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    Humm, that's what I assumed.. I guess most of the mac OCing was done by volt mods (ie. the mac mini) and stuff like that. Bummer.
    Main Rig ---> E6700, Biostar TForce 965PT, 2x512 Micron D9's, Custom Watcooling, 520w OCZ Powerstream
    Rig 2---> P4 640 @ 4GHz, DFI LanParty 875P-T, 512MB crap, Sunbeam NUUO 550w
    My Old Rig --->2.4AE @4.15GHz , semi Stable, yes 1.75GHz OC ...
    Heat 42-0
    Quote Originally Posted by nn_step
    because Intel likes their odds just like they like their sandwiches.. Stacked..
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  4. 02-28-2006, 12:01 AM #4
    cirthix
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    mac overclocking is done by changing the multipliers by resoldering 0ohm resistors on the pcb of the cpu

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  5. 02-28-2006, 04:56 PM #5
    [XC] mysticmerlin
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    Not for the faint of heart. Check out www.xlr8yourmac.com is a good place to start. You can always do a replacement chip in it.



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  6. 02-28-2006, 05:29 PM #6
    [XC] mysticmerlin
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    Sorry forgot the direct link to the rate your upgrade experiance. http://forums.xlr8yourmac.com/cpureview.lasso



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  7. 03-01-2006, 12:37 PM #7
    wowza
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    Quote Originally Posted by mysticmerlin
    Sorry forgot the direct link to the rate your upgrade experiance. http://forums.xlr8yourmac.com/cpureview.lasso
    Sweet thanks a ton
    Main Rig ---> E6700, Biostar TForce 965PT, 2x512 Micron D9's, Custom Watcooling, 520w OCZ Powerstream
    Rig 2---> P4 640 @ 4GHz, DFI LanParty 875P-T, 512MB crap, Sunbeam NUUO 550w
    My Old Rig --->2.4AE @4.15GHz , semi Stable, yes 1.75GHz OC ...
    Heat 42-0
    Quote Originally Posted by nn_step
    because Intel likes their odds just like they like their sandwiches.. Stacked..
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  8. 03-02-2006, 01:18 AM #8
    [XC] mysticmerlin
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    Not a prob. Just courious what version Mac it is. Like Quick silver or mirror drive or what?.



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  9. 03-07-2006, 10:33 AM #9
    JeffTracy
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    Quote Originally Posted by mysticmerlin
    Just courious what version Mac it is.
    He says it's an eMac. You know, one of the last all-in-ones? And cirthix is right, with a few exceptions in the ol' grey era that used jumpering on the motherboard to set clock & bus speed, the way to overclock most Macs is via changing SM resistor packs -- not a job for the faint of heart.

    Macs don't have a BIOS, they use something called OpenFirmware. And even then, there's no way to access timings & the like there. The Mac is not a tweaker's platform by any stretch of the imagination


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  10. 03-07-2006, 11:30 AM #10
    [XC] mysticmerlin
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    Quote Originally Posted by JeffTracy
    He says it's an eMac. You know, one of the last all-in-ones?
    Thanks for pointing that out. I was not paying attention. Welcome to the forums. Nice to see new Macies in here.



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