3Com PC CARD ADAPTER User Manual

Contents

3Com PC CARD ADAPTER User Manual Manual pdf 27 page image

Avoiding Memory Manager Conflicts 3-3Avoiding Memory Manager ConflictsIf you are using a memory manager on your computer (allcomputers running Windows have a memory manager suchas EMM386 or its equivalent), you need to inform thememory manager of the memory used by the 3C689adapter. The 3C689 adapter requires the following memory:n CIS memory 4 Kn MMIO memory 8 Kn Shared RAM page size 16 KIf you have Card Services installed in your computer, use theprocedure described in Appendix A instead.To make this process easier, the following example combinesthese memory requirements into one memory range. Followthese steps to exclude the memory range used by the3C689 adapter:1 Make a backup copy of the CONFIG.SYS file. Type:copy CONFIG.SYS CONFIG.OLD2 Use a text editor to edit the CONFIG.SYS file on yourcomputer.3 Exclude the memory range that the 3C689 adapter isusing. For example, type this line into the device sectionof the new CONFIG.SYS file:device=c:\windows\emm386.exe x=CC000-D3FFF noemswhere x stands for exclude, followed by the memory rangethat the adapter is using.Refer to the manual that accompanied the memory managersoftware for additional instructions and information.4 Save the CONFIG.SYS file and exit the text editor.5 Reboot the computer.