IBM 689912U Hardware Maintenance Manual - Page 251

Table 4. DMA Arbitration Level, ISA Mode Switch Positions 7 8 ISA DMA Level 0 0 0 1 0 1 0 1 3 1 1 Invalid Important Some values are recommended for specific machine types. For further information, refer to the README.OS2 file, on the IBM Wireless LAN 'OS/2 Base-Workstation diskette' (volume 2). Make sure that no other adapter in your computer uses the same DMA level. Micro Channel Adapter Installation The IBM Wireless LAN 'OS/2 Base-Workstation diskette' (volume2), is the option diskette and contains the adapter description file (ADF). PCMCIA Portable Computer Support To operate a Wireless adapter and NDIS Device Driver in a computer using PCMCIA, you must have installed and configured the set of Card and Socket Services support supplied with your computer, by following the instructions in the computer documentation. The chosen set of Card and Socket Services must match the machine model and operating system used. This section also applies to computers with a PCMCIA slot connected to a PCI bus. Initialization Failure If the set of Card and Socket Services support supplied with your computer is installed and configured and you have an initialization failure, you might have one of the following problems. Problem 1 - Memory Allocation Conflict between EMM386 (DOS or Windows) and Resource Manager NDIS Workstations: You must reserve 16K of memory to be used as attribute memory for PC cards. This is the /MA parameter for Resource Manager, from the Card and Socket Services you are using, and the X=nnnn parameter for EMM386 in the CONFIG.SYS file. For example: Reference Information 241