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Flash 1mb Bios To 1.1 Revision Xbox


JaKSLaP
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  • 3 months later...

If I was to use the Truhexen disk the I would pick the X2-5035.bin for the version 1.0-1.1 

Just DO NOT use the X3-3294 bios's in any thing other than a X3 modchip

 

Cheers

SS Dave


Soft modding is like masturbating, It get's the job done but it's nothing like the real thing.

 

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Open up the Xbox and take a picture of the modchip and post it so it can be identified for you. 

Why a 1MB BIOS, most BIOSes are only 256KBs in size? 

Only a few BIOSes are larger than 256KBs. The X2 5035 is 512KBs and the X3 modchip specific BIOS is 1MB but only runs on an X3 modchip.

The 1.0 and 1.1 motherboards have a 1MB flash memory chip on it.  Their 1MB flash chip holds 4 copies of the original 256KB stock MS BIOS.  

The Aladdin line of modchips only has 1 256KB bank. 

Xecuter X2s have 2 - 512KB BIOS banks. 

The X3 modchip has 2MBs of flash that can be used split into several different configurations or subsets of 256KB, 512KB, 1MB or a 2MB bank(s) non-overlapping usage to fill its 2MBs: 8-banks of 256KB, 4-512KB banks, 2-1MB banks or 1-2MB bank - no 2MB sized BIOS known to exist.  

X3 256KB Bank Usage (Numbers indicate the 256KB banks used together for the sizes indicated):

12345678 = 1 - 2MB bank

1234 and 5678 = 2 - 1MB banks (X3 BIOSes are 1MB in size)

12, 34, 56 and 78 = 4 - 512KB banks

1, 2, 3,, 4, 5, 6, 7, 8 = 8 - 256KB banks

For example on an X3 modchip, you can flash a 1MB BIOS to Bank 1234, a 512KB BIOS to bank 56 and two 256BK BIOSes to bank 7 and 8.  These BIOSes are user selectable via the X3 modchip's front panel bank select switches or through the X3 BIOS's X3Config Live BIOS selection menu.  There are many other combinations that can be used as long as each 256KB bank is used only once.

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