Packard Bell Desktop iMedia XS (PT.U54-PV.U54) Packard Bell Desktop iMedia XS (PT.U42-PV.U42) Packard Bell Desktop iMedia XS (PT.U32-PV.U32) Packard Bell Desktop iMedia XS (PT.U31-PV.U31) N1600 N3600 N3610 BIOS P01.A4L 1 MB bios