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 
Port komunikacyjny (COM4) driver upto date to maximize its performance, fixing any error related to driver.
 
 
 
 
 Port komunikacyjny (COM4) is a windows driver. It's released by 
Microsoft  
 Type:    Ports 
 Version:   6.0.6001.18000 
 Date:  2006-06-21
   Hardware IDs: 
 
 ACPI\PNP0501
*PNP0501
  
  Compatible IDs: 
 
   
 The following operating system has used this driver: 
 
  Microsoft Windows 7 Home Premium  
 Microsoft Windows XP Professional 
 Microsoft Windows 7 Ultimate  
 Microsoft Windows 7 Professional  
 Microsoft Windows XP Professionnel 
 Microsoft Windows XP Home Edition 
 Microsoft  Windows Vista™ Home Basi 
 This download is valid for the product(s) listed below:
Acer - Aspire 4732Z                    
 Standard - L41II8 
 LENOVO - 8804W3M 
 OEM - 671 
 POSITIVO - POSITIVO MOBILE                  
 INTEL - DG31PR 
 Hewlett-Packard - HP dx5150 MT(PE679AV) 
 PCCHIPS - P21G 
 A32G - A32GV11C 
 ECS - M825G 
 LENOVO - 076129P 
 FUJITSU SIEMENS - ESPRIMO Mobile V6535            
 Itautec S.A. - Infoway 
 TOSHIBA - TOSHIBA NB250 
 To Be Filled By O.E.M. - To Be Filled By O.E.M. 
 Hewlett-Packard - HP Compaq dx2390 Microtower 
 Hewlett-Packard - HP Compaq dx2300 Microtower 
 ASUSTeK Computer Inc. - K52F 
 PCCHIPS - M871G 
 PCCHIPS - P17G 
 MICRO-STAR INTERNATIONAL CO., LTD - MS-7104 
 Acer - Aspire T180 
 
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.