Hi all,
Every time I enter the forum, there is a thread with many people asking for a copy of the BIOS of a PS2 for the emulators. Now i'm guessing that Reaper X isn't actually sending these people the BIOS, as he seems to be absent regarding his updates on the main site.
Giving you all the link to a 'PS2 BIOS' download site is most probably illegal and it might get Reaper and the others in trouble. So i'm going to indirectly, erm...direct you to the download links.
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Now, you can download the PS2 BIOS in many ways, like for example with a torrent.
Use ThePirateBay and search for the PS2 BIOS then download the torrent. Use uTorrent to run the torrent and download the BIOS. As simple as that.
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If you think torrents are too slow, you can use a simple google search...here's how you do it:
Type into the search bar 'ps2 bios rapidshare.com megaupload.com', without the apostrophes. Now, i'm probably not allowed to tell you that the first search did include the USA BIOS..... 
You might get links which include the BIOS, as well as an emulator...if you dont want the emulator, then just grab the BIOS and delete the rest. 
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If you own a chipped PS2, there is a way to simply dump the BIOS from your own PS2 here:
http://orangpelupa.blogspot.com/2007/06/how-to-dump-ps2-bios-english.html
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Now if you still can't find the BIOS, then you must either suck at searching or you're just too lazy to find the BIOS yourself. Either way, be prepared for a long wait for an e-mail by Reaper.