> I get these all the time on my AlphaServer 1200, and have for years.
> It doesn't effect a 24x7 uptime, though.  It's just a spurious RAM
> error.

If this is a single bit memory error, the message should say something like
"single bit memory error at addr 0x12345...  corrected by ECC"

If the same address shows up repeatedly, that page should be marked bad
and not used before it turns into a double-bit error.