Author: Dan Andersson
Date: 17:20:16 05/17/05
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On May 17, 2005 at 19:58:35, stuart taylor wrote: > 1). What exactly is the implications of RPM in hard disks? >a). in comparing 42000 rpm to 72000 rpm, > Pretty insane values for hard disks, divide by ten. Slower rotation speed means that the data is read/written slower. Access times ar higher. That is if the drives are equal except for rpms. The positive is that slower drives usually are less needy in wattage. >b).what difference does this make to speed of computer functions, and which >computer functions does it affect? The use of virtual memory is faster with faster drives. Read/write trashing on a slow drive is hell. But slower drives mean longer battery life to enjoy. > >c).Does the new 915 chipset make the rpm slower? (I read that they make >something a little slower, but I couldn't understand exactly what, and if it >causes any handicap). I have no knowledge about the 915 chipset. But there are a lot of things that can make a difference like power saving modes, unified memory architecture, lack of native command queueing ... > >d).One computer salesman told me over the phone that it represents the weakness >or strength of the computer. Does he know what he's talking about? Choosing a crappy chipset will definitely bork the system. > >2).What is the difference between the proccessors from Intel Pentium Mobile >technology, if it is 730, 735, 740 till about 770 etc? The Pentium M 7xx should be equal except in core speed and energy consumtion. > >Thanks for any answers, information or opinions. > >S.Taylor
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