On Jan 5, 2018, at 23:49, Luke Kenneth Casson Leighton <[email protected]> wrote: > > On Sat, Jan 6, 2018 at 6:35 AM, Richard Wilbur <[email protected]> > wrote: >> So the trick is how to choose a faster chip and integrate successfully into >> a system running at lower speed than it is specified for? > > yyup. have to use the 1800mhz 1.5v x8 DDR3 IC, which fortunately > happens to be down-compatible with 667mhz. the 1.35v DDR3L variant of > the same chip is *not*.
I was doing a little reading about DDR3 and noticed the 1.35V DDR3L memory chips are happy talking/running with 1.5V DDR3 systems.[1] So are you saying the 1800mhz 1.35v x8 DDR3L IC is not happy running at 667MHz? (Clock rate incompatibility versus voltage incompatibility?) References: [1] https://en.m.wikipedia.org/wiki/DDR3_SDRAM _______________________________________________ arm-netbook mailing list [email protected] http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook Send large attachments to [email protected]
