IBM 689912U Hardware Maintenance Manual - Page 221
QAPlus/PRO, CoSession for Windows
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QAPlus/PRO: QAPlus/PRO is a DOS diagnostic program that is available either in preinstalled software or on a diskette. If the computer has DOS or DOS with Windows preinstalled, you can access QAPlus/PRO by typing QAPRO and the C:\ prompt. You must first exit from Windows to use QAPRO. QAPlus/PRO provides similar diagnostic capacity to QAPlus/WIN, but is more balanced between software and hardware problem determination. The Windows-related information that is available in QAPlus/WIN is not available in QAPlus/PRO. However, QAPlus/PRO does gather a wealth of information about the DOS environment, including device drivers. It more effectively isolates hardware problems than QAPlus/WIN, because it is not limited by the operating system environment. When OS/2 is preinstalled, QAPlus/PRO is not available from the hard disk. However, you can use the Diskette Factory available on the computer to build the QAPlus/PRO diskette. Typically, if software was not preinstalled on the computer, QAPlus/PRO is provided on a diskette supplied with the computer. To access QAPlus/PRO, boot the computer with the QAPlus/PRO diskette in the primary diskette drive. CoSession for Windows: If the CoSession for Windows program is preinstalled in the computer, IBM HelpCenter personnel can use that program to diagnose the system from a remote location. To use CoSession for Windows, you must have a modem attached to your computer. Contact the IBM HelpCenter for instructions before attempting to use CoSession for Windows. Reference Information 211