What are a BK6xx or BK7xx? paul > On Apr 22, 2019, at 12:35 PM, Brian Roth via cctalk <cctalk at classiccmp.org> wrote: > > I have a CDC BK6XX BK7XX Maintenance manual Vol 2 available.If anyone has an immediate need I will send it free but please passit on to Bitsavers after scanning as I did not see this one listed. > Brian.