Reformatted a 4.0 gig WD hard drive and reloaded with Win98. Pentium 200 Mhz, non-MMX processor, 64 meg of ram. Custom built computer and no appearance of anything odd. Win98 picked up all plug and play devices, with the exception of the modem. When trying to install two different 56K modems a window popped up and notified me that they couldn't support non mmx chips. (Never seen that before.) Then tried to install a new Boca, and though I didn't get that window again, cannot get device manager to acknowledge the installation. Noted while in device manager and while trying to install the modems that I keep being prompted to install PCI Serial Controller. What am I missing folks?