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Posted by amandaf37 on September 5, 2007, 10:36 am
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On Sep 5, 7:28 am, amanda...@gmail.com wrote:
> On Sep 5, 7:23 am, amanda...@gmail.com wrote:
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> > > Just thought I'd chime in... check the laptop you're looking at to see
> > > if it uses an externally-accessible drive carrier.
>
> > How to check that?
>
> > > These used to be
> > > common, particularly on corporate-market models, where most home/
> > > retail models have the hard-drive internalized.
>
> > What does it mena external versus internal? Do these terms refer to
> > the same thing as in desktop system?
>
> > > If yours uses a drive
> > > carrier, swapping drives is simple and relatively easy--usually a
> > > jeweler's screw-driver is the only tool needed.
>
> > > Most 2.5" drives still have 12.5 ms access time, whether 5400 rpm or
> > > 7200 rpm. The 7200 rpm drive may have a faster transfer speed. If
> > > you want 2.5" performance, you have to go with Seagate's corporate
> > > (blade-server market) 10,000 rpm drives, available as of December 2004
> > > in 36 GB and 73 GB versions as U320 SCSI -- but I've heard they've
> > > since been adapted to SATA-II/300.
>
> > In a thinkpad, wouldn't they use ibm hard drive?
>
> > > They have 4.9 and 4.5 ms access time and transfer speed unequaled among
mechanical 2.5 inch drives,
> > > last I heard. Of course, there are the solid-state hard-
> > > drives...bring money!
>
> > > If you can find an express-card eSATA-II/300 card, that would give
> > > optimal access to an external hard drive, to take full advantage of a
> > > big (cheap) fast hard-drive. Otherwise, eSATA-150 PC-card/PCMCIA
> > > cards are pretty cheap and realistically almost as good. eSATA-II
> > > offers hot-swap, which is definitely a good. Speed ranking, eSATA-II,
> > > eSATA, Firewire 800, Firewire 400/iLink400, USB 2.0; but that depends
> > > on the interface to the controller (i.e., on-motherboard, express-
> > > card, PC-card).
>
> > Can you give me some *technical* explanation on express card and on
> > SATA-II/300, eSATA-II/150 and eSATA-II/300 or refers me to a link to
> > understand all this in more detail?
>
> I think I will read this:http://www.pcmcia.org/faq.htm- Hide quoted text -
>
> - Show quoted text -
May be this better: http://www.tech-faq.com/pcmcia.shtml
BTW, I did know a bit about what pc cards is in *techinal* way.
And saving this for myself here so that I can come back to raed when
I foregt: http://www.google.com/search?hl=en&q=what+is+eSATA
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