This directory contains firmware images for Netopia routers based on the UMB3 motherboard (R-series and D-series). nir4113.bin is firmware version 4.11.3, image downloaded from netopia.com and archived here to guard against Netopia or their successors pulling it out of circulation. d7100c-v4.3.8.bin is the image read out of the flash chip on a D7100-C unit with firmware version 4.3.8 (quite ancient). cm_wanlet_rom.bin is the image read out of the Am29F040 flash chip on the CM SDSL wanlet on that same D7100-C. cpen1300.bin came from ftp.netopia.com and is their version of the firmware image for the CM SDSL wanlet; it appears to be different from any of the versions downloadable into the wanlet from the DSLAM side. The R7171 IMUX unit that was donated to us for reverse engineering had this firmware version on both wanlets; we were hoping that installing this wanlet fw version would make IMUX work on another UMB3 we had with the IMUX feature key supposedly present, but it didn't do the trick.