documentation that is provided with your IBM product. The documentation thatcomes with IBM systems also describes the diagnostic tests that you can perform.Most systems, operating systems, and programs come with documentation thatcontains troubleshooting procedures and explanations of error messages and errorcodes. If you suspect a software problem, see the documentation for the operatingsystem or program.Using the documentationInformation about your IBM system and preinstalled software, if any, or optionaldevice is available in the documentation that comes with the product. Thatdocumentation can include printed documents, online documents, readme files,and help files.See the troubleshooting information in your system documentation for instructionsfor using the diagnostic programs. The troubleshooting information or thediagnostic programs might tell you that you need additional or updated devicedrivers or other software. IBM maintains pages on the World Wide Web where youcan get the latest technical information and download device drivers and updates.To access these pages, go to .Getting help and information from the World Wide WebOn the World Wide Web, up-to-date information about IBM systems, optionaldevices, services, and support is available at http://www.ibm.com/supportportal/.You can find the most up-to-date product information for System x products athttp://www.ibm.com/systems/x/ .Software service and supportThrough IBM Support Line, you can get telephone assistance, for a fee, with usage,configuration, and software problems with your IBM products.For more information about Support Line and other IBM services, see or see forsupport telephone numbers. In the U.S. and Canada, call 1-800-IBM-SERV(1-800-426-7378).Hardware service and supportYou can receive hardware service through your IBM reseller or IBM Services.To locate a reseller authorized by IBM to provide warranty service, go to and clickFind Business Partners on the right side of the page. For IBM support telephonenumbers, see . In the U.S. and Canada, call 1-800-IBM-SERV (1-800-426-7378).In the U.S. and Canada, hardware service and support is available 24 hours a day,7 days a week. In the U.K., these services are available Monday through Friday,from 9 a.m. to 6 p.m.1028 IBM System x3850 X5 and x3950 X5 Types 7145, 7146, 7143, and 7191: Problem Determination and Service Guide
