Lenovo ThinkPad 560 Thinkpad 560 User's Guide - Page 227
Virtual Card Services for OS/2, All DOS DOS and WIN-OS/2 Settings
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OS/2 Virtual Card Services for OS/2 Note: DOS Object includes DOS program, Windows program, DOS full-screen, DOS window, WIN-OS/2 full-screen, and WIN-OS/2 window. When you use a DOS object in the OS/2 environment, OS/2 Virtual Card Services provides a Card Services interface so that you can use the DOS PC Card device driver for the DOS object. To use Virtual Card Services in a DOS object, do the following: 1 Move the mouse pointer to the DOS object icon; then click on the right mouse button. 2 Select Settings. 3 Select Session. 4 Select DOS (WIN-OS/2) Settings. 5 Select All DOS (DOS and WIN-OS/2) Settings. 6 Set PCMCIA_CARD_SERVICES as On. 7 Set PCMCIA_RELEASE_LEVEL as 2.1. 8 Set MEM_EXCLUDE_REGIONS as C8000-CFFFF. 9 Specify the PC Card device driver name to the DOS_DEVICE. Even when a PC Card is enabled in a DOS object, the device driver or the application program may not work, or their performance may not be what you expect. Appendix B. Advanced Information for PC Cards 209