ZyXEL "Comet 336" MODEM firmware v1.13:

 model name  description  filename
C336 external modem, with 33.6 c336z_113.zip (Eprom-File)
Drivers Windows 9x - Rockwell Chipset
Windows 9x - ZyXEL Chipset
mdmzc36r.zip
mdmzc36z.zip