I have router OS running on a few different types of Via Epia platforms. No problems on any so far and it’s been at least a year or more. Supports all the bits that need supporting for a router.
CPU and motherboard - advanced 4th generation (core frequency 100MHz or more), 5th generation (Intel Pentium, Cyrix 6X86, AMD K5 or comparable) or newer uniprocessor (multi-processor systems are not supported) Intel IA-32 (i386) compatible architecture with PCI local bus