Exhibit 32.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002




     In connection with the Annual Report of Berkeley Technology Limited on Form
10-K for the year ended December 31, 2006 as filed with the U.S.  Securities and
Exchange Commission (the "Report"),  I, Arthur I. Trueger, as Executive Chairman
of the registrant,  certify,  pursuant to 18 U.S.C.  ss. 1350, as adopted by ss.
906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

     (1) The Report fully  complies  with the  requirements  of Section 13(a) or
15(d) of the Securities Exchange Act of 1934, and

     (2) The  information  contained  in the  Report  fairly  presents,  in  all
material  respects,  the  financial  condition  and results of operations of the
registrant.



Date:  March 23, 2007                            By:    /s/  Arthur I. Trueger
                                                        Arthur I. Trueger
                                                        Executive Chairman