XBOX (Original) TSOP Flash Overview
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Here’s what I soldered to flash the BIOS on my revision 1.2 or 1.3 original XBOX. We have a Winbond BIOS on this. Soldering the two points allows the BIOS to be writable, leaving us the opportunity to install a much better BIOS. It’s essentially a modchip, without a modchip....
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