FYI - Not sure if the two computers use the same chipset but I have a Sony Vaio PCG-F490 (PIII650) and USB and emplode work fine with V2.00 of the emplode software.

Intel(r) 82371AB/EB PCI to USB Universal Host Controller PCI\VEN_8086&DEV_7112&SUBSYS_00000000&REV_01\3&61AAA01&0&3A

Have you checked Sony's Website to make sure you have the latest updates from them?