Looking for USB to Serial Adapter drivers? We have downloads available for all major chipsets (FTDI, Prolific, and Oxford). If you are also interested you can purchase a FTDI based USB Serial Adapter drivers for Windows or a Prolific based USB to Serial Adapter. We even stock a two port serial adapter version.

FTDI Drivers

FIlename + Description
OS
Release Date
Version
File Size
Drivers are available which allow FTDI devices to work with the following operating systems: *FTDI Windows 8 USB Serial Driver : Windows 8 x64 : Windows Server 2008 R2 : Windows 7 FTDI USB Serial Adapter Driver : Windows 7 x64 Windows Server 2008 Windows Server 2008 x64 Windows Vista Windows Vista x64 Windows Server 2003 Windows Server 2003 x64 Windows XP Windows XP x64 64-bit USB to Serial Adapter Vista Drivers Installation Executable
Windows Vista x64, XP x64, 2003 Server x64
FTDI-USBGEAR-SERIAL_DRIVERS
*FTDI Windows 8 USB Serial Driver : Windows 8 x64 : Windows Server 2008 R2 : Windows 7 FTDI USB Serial Adapter Driver : Windows 7 x64 Windows Server 2008 Windows Server 2008 x64 Windows Vista Windows Vista x64 Windows Server 2003 Windows Server 2003 x64 Windows XP Windows XP x64Windows 64-bit (Vista, XP, 2003 Server)
 
 
3.3MB

32-bit USB to Serial Adapter Vista Drivers Installation Executable

Certified.zip
Windows 32-bit (Vista Home, Vista Basic, Vista Business, Vista Ultimate, XP, 2000, 2003 Server)
 
 
736KB

USB RS-232 Serial Adapater DB-9 Male uses FTDI Chipset (Windows + Mac)
USB Single Serial Port Adapters are easily configured to enable the continued use of legacy devices without making any changes to the applications written for them. This USB Serial adapter enumerates as standard COM ports in ALL Windows Operating Systems making the USB interface completely transparent to software.
  • This unit is ultra compact adapter version, perfect for notebook and laptop users.
    • USB Serial Adapter
    • Connect Most Serial Devices to a USB port
    • Microsoft Certified and Signed Drivers
    • High Speed Serial
    • Best in class compatibility
    • Data and Status LED
    • Plug & Play
    • Bus Powered
    • The Ultimate USB Serial Adapter
    • PC / Mac / Linux
    Designed to make serial port expansion quick and simple.
    Connecting to a USB port on your Tablet PC, notebook or PC, this USB-COM Plug-in adapter instantly adds RS-232 serial communication port to your system.

    The product is the smallest and most flexible USB to RS-232 Plug-in Adapter. It is featured with the biggest internal FIFO, 128 byte transmit and 384 byte receive FIFO, for high-speed data transfer rate.

    Plugging the mini USB-COM Plug-in Adapter to the USB 2.0 or 1.1 port, the adapter is automatically detected and installed. There are no IRQ & COM port conflicts, since the port doesnt need any additional IRQ, DMA, memory and I/O port as resources on the system.

    Complete Windows XP, 2003, 2000, ME, 98/SE drivers are included. The driver is WHQL certified for Windows XP.

    • Adds RX-232 DB-9 port conveniently via USB connection
    • Installed as standard Windows COM port
    • Port number can be installed, or changed, to COM1/2/3/4 for Hyperterminal or to any COM port number you preferred
    • Full RS-232 modem data and control signals
    • Serial port speed up to 230K bps
    • RS-232 data signals: TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND
    • Two LED indicators for Tx/Rx status monitoring & diagnostics
    • Driver CD contains complete Windows XP, 2003, 2000, ME, 98/SE drivers & user's manual
    • USB with the simplicity of RS-232
    • High Speed USB Controllers for Serial and FIFO Applications Based on FTDI FT232BM High-Speed USB UART IC

  • Supports Windows 64-bit (Vista, XP, Server 2003) 32-bit (Vista, XP, Server 2003, 2000, ME, 98), Linux, Mac OS X, Mac OS 9, Mac OS 8

      Mfg: USBGear SKU: USBG-232MINI Warranty: 1 Years Ship Weight: 1 lbs Color: Blue
      In Stock. Buy Today. Ships SAME DAY. Qty: 1 $19.95
      We also have a 2 port version. Dual Serial!    Qty: 1 $43.98


    Prolific Drivers

    FIlename + Description
    OS
    Release Date
    Version
    File Size
    USB to Serial Adapter Driver
    New 2009 drivers for XP/Vista and 64-bit OS
    PL2303_Prolific_DriverInstaller_10311.zip
    XP, Vista (32, 64-bit)
    2009
    2303
    2,281KB

    PL-2303 USB to Serial Bridge (H, HX, X)
    Installshield driver setup program v3.3.3.114 for Windows Vista and Server 2008 (32-bit and 64-bit) v2.0.5.111 for Windows 2K/XP/2003 (32-bit) for USB VID_067B & PID_2303 ONLY.
    PL2303_Prolific_DriverInstaller_10311.zip
    Vista, Server 2008, Win2k/XP/2003
    8/11/2005
    2303
    1,471KB

    PL-2303 USB to Serial Bridge (H, HX, X)
    Installshield driver setup program v2.0.0.19 for Win98SE/ME, v2.0.2.1 for Win2k/XP/2003 (XP Logo Certified).
    Used for Mobile Phone, GPS, Modem, IrDA USB Serial Cable

    PL2303_Prolific_DriverInstaller_10311.zip
    Win98SE,ME, Win2k,XP,2003
    2/4/2005
    v0728
    19KB

    PL-2303 (Chip H, HX, X)
    Linux driver for RedHat 7.3/8.0/9.0
    ld_pl2303_v0728.rar
    Linux
    11/1/2005
    v1.1.0b
    128KB

    PL-2303 (H, HX, X chips)
    Mac OS X driver v1.1.10 Build 1 (DMG format) Support. Mac OS X 10.4 (Tiger)
    md_pl2303H_HX_X_dmg_v1.2.1r2.zip
    Mac OS X
    11/1/2005
    v1.1.0b
    128KB

    PL-2303 (H, HX, X chips)
    Mac OS 8 & 9 driver v1.3.6 build 1
    md_pl2303_Mac8_9_v136b1.zip
    Mac OS 8 and 9
    7/19/2005
    v1.3.6b
    110KB

    PL-2303 USB to Serial Bridge (H, HX, X) INF Driver
    For Prolific USB VID_067B & PID_2303
    For Mobie Phone, GPS, Modem, IrDA, USB-to-Serial Cables

    wd_pl2303h-hx-x_64-bit_v2018.zip
    XP 64-bit ONLY
    11/9/2005
    v2.0.1.8
    197KB


    16 inch DB-9 USB to RS-232 Serial Adapter uses Prolific Chipset
    Short Laptop/Desktop/Mobile Computer users that do not need the extra cable length love this unit, with RX/TX and Power LED Using Prolific Chip. Now Supports OS X and VISTA! Want to connect your GPS to your PC but dont have a 9-pin serial port connection? This cable will get you hooked. Using this converter cable and the PC interface cable for your unit, you can transfer maps, waypoints, routes and tracks between MapSource and your GPS. USB to RS232 converter cable your computer shows it like a standard COM port! New Jet Black Ultra-Flexi cable 1.2ft. cable 16inch end to end (usb to serial DB-9 port)
    • Provides a single DB-9 serial port for connecting to:
    • Works with Garmin GPS units, etc.
    • PDA devices
    • Modems
    • ISDN-TA
    • Digital Cameras
    • Standard Serial Devices
    • Barcode Readers
    • Card Reader
    • Palm II&V
    • Graphic Tablets
    • Label Printers
    • Plugs into a USB port on Windows 98/ME/2K/XP! PC
    • Draws its power from the USB connection ... a power adapter is not required
    • Supports data rates up to 230Kbps
    • Works with all popular brands of PDAs
    • Provides one RS-232 male DB9 port for direct connection to a PDA cradle or synchronization cable.
    • Packages Includes:
    • USB-232 Converter cable with 1ft. usb Type A end.
    • One Users Manual.
    • USB Driver Disk for WIN98/ME/2000/2003/XP/Vista!
    Use the adapter directly from a USB port, or via a USB hub. The converter is powered by the USB port, so the hub must be powered. This adapter works with Windows Vista, MS Server 2003, Server 2000, XP, Win2K, WinMe, Win98SE, and with Mac OS 8, Mac OS 9, Mac OS X, and Linux (2.4 kernel and later).

    Supports Windows 98 SE, Windows ME, Windows 2000, Windows XP, Windows Vista, Mac OS X, OS 9, Linux
    Mfg: USBGear SKU: USBG-RS232-P12 Warranty: 5 Years Ship Weight: 1 lbs Color: Black
    In Stock. Buy Today. Ships within 2 business days. Qty: 1 $16.99

    Oxford Drivers

    FIlename + Description
    OS
    Release Date
    Version
    File Size
    Oxford CF950 Chipset
    Drivers for PCMCIA Serial Cards and Express Serial Cards

    Oxford-Windows_95-98-ME.zip
    Win 95, 98, ME
     
     
    44KB

    Oxford CF950 Chipset
    Drivers for PCMCIA Serial Cards and Express Serial Cards

    Oxford-Windows_2000.zip
    Win 2000
     
     
    192KB

    Oxford CF950 Chipset
    Drivers for PCMCIA Serial Cards and Express Serial Cards

    Oxford-Windows_NT4.0.zip
    Win NT 4.0
     
     
    176KB

    Oxford CF950 Chipset
    Drivers for PCMCIA Serial Cards and Express Serial Cards

    Oxford-Windows_Vista-32.zip
    Vista 32-bit
     
     
    184KB

    Oxford CF950 Chipset
    Drivers for PCMCIA Serial Cards and Express Serial Cards

    Oxford-Windows_Vista-64.zip
    Vista 64-bit
     
     
    208KB

    Oxford CF950 Chipset
    Drivers for PCMCIA Serial Cards and Express Serial Cards

    Oxford-Windows_XP-32.zip
    XP 32-bit
     
     
    192KB

    Oxford CF950 Chipset
    Drivers for PCMCIA Serial Cards and Express Serial Cards

    Oxford-Windows_XP-64.zip
    XP 64-bit
     
     
    204KB