See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
upgraded MW to 1.30 - maybe things are slightly less broken
Linksys WPC54G v2
For a list of all currently documented Radia chipsets with specifications, see Radia.
"WE601-T VER.XB1" appears to be silkscreened on the board in the FCC photos.
WPC54G v2 serial numbers appear to start with BDH4.