Serial On USB Port (COM4) for VGN-Z540E driver [Serial On USB Port v2.98.826.2.exe]
Serial On USB Port (COM4) Driver for Windows Vista/7/8/10 32-bit and 64-bit. Keep your PC sounding crisp and clear.| Driver name | Serial On USB Port (COM4) |
| Version | 2.98.826.2 |
| Date | 2004-05-12 |
| Win 32 Support | 2K,XP,2K3,VISTA,WIN7 |
| Win 64 Support | |
| Filename | Serial On USB Port v2.98.826.2.exe (2.35 MB) |