Powerstrip reporting wrong ramdac speed?

I have a Radeon 9600 Pro/256 video card. Am planning to overclock it using
Powerstrip build 438.
Several sources on the internet say that this card has a 400 MHZ GPU
(engine) and a 600 MHZ RAMDAC from the factory. However, Powerstrip is
reporting that the factory default is 400 for GPU, and the ramdac is clocked
at *200* MHZ. I found out that the card can be overclocked without
additional cooling to 527/GPU and 662/ memory. But since the memory freq.
Powerstrip is reporting doesn't make sense, I don't know what value to bump
it up to. I thought maybe it is because the memory is DDR...but if it was
reporting half the effective speed, it should be showing 300 MHZ. For some
reason it is showing only one-third the actual frequency, apparently.
Whats' up with this?