Compared to DDR, RDRAM needs far more expensive ATE
There are some new BIST techniques for testing highspeed interfaces on old ATE. This is related to why I don't think Hammer needs new expensive ATE either.
That may be but I am far from convinced that such techniques would be applicable to RDRAM's very tight timing and electrical requirements. DRAM vendors that made RDRAM would have looked under every rock and behind every bush for any alternative to buying such expensive new ATE. Given that in many cases Intel ponied up the dough for this ATE to get the RDRAM supply up and running I am sure it would have looked at alternatives too.
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