Author: stuart taylor
Date: 17:52:30 05/17/05
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On May 17, 2005 at 20:20:16, Dan Andersson wrote: >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. What is core speed, and what does it affect? S.Taylor > >> >>Thanks for any answers, information or opinions. >> >>S.Taylor
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