Using FASTCFG for your MWave card. This article applies to all Aptiva computers that came pre-loaded with the MWave sound card/modem. You can change the way your MWave card works in DOS using the FASTCFG command at the DOS prompt. The command offers four different modes: 1) Games (Sound Blaster Pro emulation with no modem functions) 2) Advanced Audio (Sound Blaster Pro emulation with General MIDI emulation) 3) Telegame (Sound Blaster emulation with 14.4K bps modem enabled) 4) Advanced Modem (28.8K bps modem with no sound functions) The FASTCFG program was originally set to the third option to provide sound and modem support in DOS. Depending on your games, you may want to change to one of the other options. There are advantages and disadvantages to using the different options. The first option provides Sound Blaster Pro emulation, which is supported by almost all DOS games. The major advantage to using this option is that it uses the least amount of memory. If you are having memory problems with the game, use this option. The second option will provide the best sound quality for games that support General MIDI sound cards. Games that can take advantage of this option will have better music, as they take advantage of the wavetable features of the MWave card. The disadvantage of using this option is that the wavetable features use up about 2MB (megabytes) of extended memory. If your system has 8MB of memory, this may prevent you from running the newer games that require 8MB of memory. The third option provides sound and modem support for games that support modem play. The biggest disadvantage of this feature is that the modem driver takes up 50KB of conventional and upper memory, and this can prevent you from running some DOS games with very high conventional memory requirements. The fourth option will also use the 50KB modem driver. Modem software requires much less memory than most DOS games, and this is not a real disadvantage. The main disadvantage here is the loss of sound. The nice thing about FASTCFG is that you can change the features again and again without re-booting your computer. Each time you make a change and then select OK, the program will ask you if you want to use that change each time you re-boot your system. To try out a new setting, select "No" until you decide that you want it to be your usual setting. If you have any questions about this procedure, please post a note in the appropriate topic area in the appropriate topic or forum area. Be sure to include your DOS version and your model number (i.e., 2155-G82).