It's tough to imagine how shipping could lift a pin and re-solder it in a new location. Is it soldered down?
Do you have schematics or info on the net to reveal what signals are on those 2 pins?
When you received the A3000, did you find a loose, heavy component that could have gouged the pin up? Was there other damage?
If the pin is soldered in that location, it must be a purposeful modification, either by the manufacturer or a previous owner. I' m not aware of this mod (nor a lot of stuff, grin). OTOH, I believe there were several rom configurations over the 3000's production run. I wonder if this mod could be related.
Found it! According to my schematic, if CPU is SMD (surface mount device, ?), pins 1,2,5, etc are grounds.
I believe that only early 3000s had rom towers. I think the towers were used to accommodate roms with different pinouts. On later MBs, the roms were socketed directly on the MB. Can the tower be installed differently than it is? Did you remove it and forget?