should this memory work backwards ???
ie if i put it into a machine that takes pc2100/266 would it still work???
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should this memory work backwards ???
ie if i put it into a machine that takes pc2100/266 would it still work???
Yup
yup just works at the lower speed of 266 but with the bonus of being more future proof.
:) There is an outside chance that the mobo may set the timings too aggressive or that you get some freak incompatibility but 99.9% of the time it will work perfectly at any speed up to the max it's rated for. In almost all mobos you want to run the RAM synced to FSB, just check the mobo doesn't try running it at the faster speed asyned.