I have run diagnostics and I get the same failure on DIMM-A. I even changed the RAM stick to a new one and get the exact same error in Dell Diagnostics:
Error Code: 0123
Msg: Error Code 2000-0123
Memory Integretiy test fault
It is a Vostro 1700. I took the RAM out of DIMM-A alltogether and it is running diagnostics fine.
Does this indicate a bad slot DIMM-A only or I am facing motherboard failure?
It is out of warranty.
If you've already tried a new module and still see a failure on the same socket, the socket is bad. You'll need to replace the mainboard.
That's what I thought...just wanted to confirm. Thanks! Dang