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Author Topic: Restore Retail Bios  (Read 76 times)

andrewbee

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Restore Retail Bios
« on: November 27, 2003, 03:08:00 AM »
is it possible to flash the tsop back with a retail bios, if i lock the hard drive first?and if so, can I use any one?coz, I dont have my original?I need to know coz I want to go on live, but use audio hack to play stuff off harddrive.
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jesistehsux

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Restore Retail Bios
« Reply #1 on: November 27, 2003, 06:52:00 AM »
Yes its possible to restore your retail bios and also create a multibios by merging 2  to 4 different bios parts and using either an SPDT switch on the A18/19 & ground to use one 512KB bank, or using 2 different set of spst switches on A18/19 grounded allowing you to use all 4 parts of your 1MB tsop. However if you do not have a 1MB or 512KB tsop then you're kind of out in the cold. Best bet is to use a modchip if you plan on switching with a 256KB tsop.

jes
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Exobex

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Restore Retail Bios
« Reply #2 on: November 27, 2003, 07:30:00 AM »
You'll need the correct retail BIOS.
1.0.4034 is for 1.0 Xboxes (some early US boxes had 1.0.3944 I think, don't think it makes any difference)
1.0.4817 is for 1.1 Xboxes
1.0.5101 is for 1.2 and newer Xboxes
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