Driver Information 
 Old drivers impact system performance and make your PC and hardware vulnerable to errors and crashes. We suggest you to download the latest drivers.
 Keep your 
Keyspan USB Serial Port (COM1) driver upto date to maximize its performance, fixing any error related to driver.
 
 
 
 
 Keyspan USB Serial Port (COM1) is a windows driver. It's released by 
KSPN  
 Type:    Ports 
 Version:   3.7.0.5 
 Date:  2010-05-13
   Hardware IDs: 
 
 KEYSPAN\*USA19HMAP
  
  Compatible IDs: 
 
 
  
 The following operating system has used this driver: 
 
  Microsoft Windows XP Professional 
 Microsoft Windows 7 Professional  
 Microsoft Windows 7 Enterprise  
 This download is valid for the product(s) listed below:
BIOSTAR Group - H61MH 
 Viglen - DQ965GF 
 P4i6G - P4i65G 
 Dell Inc. - OptiPlex 790 
 LENOVO - 4284CV4 
Notices:
The software drivers provided on this page are generic versions and can be used for general purposes. However, computer original equipment manufacturers (OEMs) may have altered the features, incorporated customizations, or made other changes to the software or software packaging they provide. To avoid any potential installation incompatibilities on your OEM system, We recommend that you check with your OEM and use the software provided via your system manufacturer. We or the computer original equipment manufacturer (OEM) may not provide technical support for some or all issues that could arise from the usage of this generic version of software drivers.