I've acquired an ADSL WIC to use but need to upgrade the IOS on my Cisco3620 router (currently running 12.2.3 with IO3 feature set). A few people have told me that the ADSL WIC's only work in certain NM's. I have a NM-2E2W in the router and that already has a single-BRI WIC in one of the WIC slots.
Does anyone know with certainty what version(s) and feature set(s) of IOS support ADSL WIC's and which network modules those WIC's are supported in?
PS. I have an image of c3620-is-mz.123-6a.bin here which I plan to load into flash on the router and try out with the ADSL card today.