Hotfix installation instructions: ================================ This hotfix replaces the PCMCIA.SYS and SERIAL.SYS files in the \winnt\system32\drivers directory. The hotfix utility can be used to install hotfixes, and to track hotfixes that are installed. Type "hotfix /?" for usage instructions. To install this hotfix, put the new PCMCIA.SYS and SERIAL.SYS files and the hotfix.ini file in the same (temporary) directory, and then type "hotfix /install". After installation, type "hotfix" to verify that it was installed correctly. Finally, reboot the system. Sample operation is shown below: C:\temp\mhzfix>hotfix Hotfix Version v1.2 copyright (c) Microsoft Corporation. \\MYCOMPUTER is Windows NT version 3.51, build 1057, No Service Pack Hotfix: No hotfixes installed on system. C:\temp\mhzfix>hotfix /install Hotfix Version v1.2 copyright (c) Microsoft Corporation. \\MYCOMPUTER is Windows NT version 3.51, build 1057, No Service Pack Installing hotfix Q152124 Mhz pcmcia/serial com3 fix C:\temp\mhzfix>hotfix Hotfix Version v1.2 copyright (c) Microsoft Corporation. \\MYCOMPUTER is Windows NT version 3.51, build 1057, No Service Pack Q152124 Mhz pcmcia/serial com3 fix was installed on Jun 17, 1996 at 11:01:19 by administrator