>Last night, at about 4 am, with no one logged on, the 987 shutdown. (I don't
>remember the error condition.) When we attempted to restart, the restart
>would stop at FLT 707C, which I have been told is a memory issue.

I actually happen to be going through the same thing ...

FLT 70xx is indeed a memory failure. The xx indicates which memory
module/slot. So, in your case, it is the module in slot 7c in your
memory board that fails to pass the test.