What Exactly Is Flashing The Bios?
Posted 08 January 2005 - 10:03 AM
I've read just about everything I need to know about modding my xbox and my chip is arriving this week, I just need to know what exactly "flashing" the chip means? I thought when you burn EvoX to a cd and install it that was called flashing the BIOS but I think i'm wrong, can someone set me straight?
Oh and also, I need to know what exact torx number of screwdriver i need to open my Xbox as my phillips head one didn't work. I'm hoping to pick up a really cheap small one from somewhere like radioshack.
Posted 08 January 2005 - 10:07 AM
Posted 08 January 2005 - 10:08 AM
Edit: "You cant use the bio's that comes with the chip (from my knowledge)... but thats vage 2 me"
With the exception of the 4th gen chips, especailly the Xenium, you DO use the BIOS pre-flashed on the chip (known as Cromwell/FlashBIOS) to flash the chip.
The kicker is, you have to flash a hacked, illegal BIOS by using FlashBIOS in order to do anything worthwhile.
Edited by Xombe, 08 January 2005 - 10:12 AM.
Posted 08 January 2005 - 11:00 AM
Thanks for the replies guys, feel like a total tool for posting this
Anyway, i've downloaded the Evox-M8 Bios, is this the best?
Posted 08 January 2005 - 12:16 PM
The two factors in BIOS choice are preference, and more importantly, Xbox version.
If you have an older box (pre-April 2004) that is a v1.0 to v1.5, you can use almost any BIOS you like. If you have a newer box, v1.6 or 1.6b, you HAVE to use the Evox M8 BIOS (and then choose which version of that you need, as the 1.6 and 1.6b have different RAM chips and thus require different BIOSes).
So, if you have a v1.0-1.5 box, I highly recommend the x2.4981 BIOS. It is modifiable, stable and has excellent IGR. The newer x2.4983 is fine, too, but can't be modified.
If you have to use the M8 BIOS because you have a v1.6/v1.6b box, then you'll need to know that X2.6 chips in v1.6 Xboxes need to have the BIOS flashed onto Bank TWO rather than Bank One.
I'm not sure if the X2.6 CE has this issue, but you should be aware of it.
Also, you'll need to resize your BIOS to 512kb to fit on the BIOS bank (the X2.6 has two 512kb banks...), which you can learn how do here.
Note: The X2.x chips are very much all the same, so that guide, although it references older versions of chips and FlashBIOS, is still spot on when it comes to resizing your BIOS and flashing from disc.
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