can't see Toshiba modem

I've got Debian 1.3.1/2.0.29 on my Toshiba Tecra 520 CDT laptop, and can't seem to find the modem. Win95 finds it fine at COM2, and minicom in Linux USED to find it at /dev/ttyS1, but now it can't. I have added lots of software since then, so might have screwed something up, but can't figure out

endless reboot loop

I'm trying to install Debian 1.3.1 on my Tecra 520 CDT (Pentium 166, 32MB, 4GB); I want to keep Windows95 in a 417MB partition as well. I used the Tecra kernel from the ftp site (debian/bo/disks-i386/1997-10-13/special/tecra/resc1440.bin) and went through the installation menu, performing the foll

floppy install: endless loop

Sorry in advance for a probably naive question: I'm trying to install Debian 1.3.1 by floppy on my Toshiba Tecra 520CDT (Pentium 166, 4GB, 32MB). I've tried several different sources for the floppy, including "InfoMagic" CD's, which produced a rescue/boot floppy that failed. I've also tried maki