Serg008, thanks for your time and your offer : dmidecode under Linux brought : BIOS Information Vendor: LENOVO Version: 8AET56WW (1.36 ) Release Date: 12/06/2011 Address: 0xE0000 Runtime Size: 128 kB ROM Size: 8192 kB vendor ID/device ID (grabbed from DELL STUDIO 1737): Description: Ericsson F3507g Mobile Broadband Minicard Composite Device Hardware-IDs : USB\VID_0BDB&PID_1900&REV_0000 Comp.-IDs : USB\Class_02&SubClass_08&Prot_00