DigiTimes reports that Intel?s planned launch of its next-generation Xeon processor, codenamed Nocona, next week has stirred a wave of market reports that the chipset giant may soon come out with a 64-bit desktop chip, according to sources at Taiwanese PC makers. The Nocona chips will be available at clock speeds of 2.8, 3.0, 3.2, 3.4 and 3.6 GHz.