VAX ODT console fault

[Jon Elson]

On 06/12/2019 03:41 AM, r.stricklin via cctalk wrote:
> If I install a spare KA630-A and 8 MB memory board, I get a similar fault where chevrons repeat to infinity.
There are a couple possibilities.  If the baud rate is set 
wrong, the VAX could be replying to some gibberish at wrong 
baud rate, that causes the terminal to reply to that with 
something, and they endlessly jabber at each other.  Most 
terminals will send Xoff/Xon when a rapid burst of 
characters comes into the Rx port.  When misinterpreted by 
the VAX, that might cause it to send another burst of 
characters.  So, it could be entirely a software/setup issue.

Are you using a real terminal or a PC terminal program?  If 
a program, you might try a different one or try different 
comm settings.

As someone else mentioned, a leaking battery could have 
damaged traces or the baud selector switch on the panel 
interface module. Close inspection of that is strongly advised.

Jon