Re: [gentoo-user] Looking for PCI-X external SATA controller

[Dale]

Stroller wrote:
>
> On 15 Feb 2008, at 05:12, Dale wrote:
>>
>> Dale makes a note of this.  Questions:  If I buy this card and a SATA
>> hard drive, will I notice faster transfer speed on the drive or will
>> the PCI bus limit it somehow?  I currently get 40 to 50 MBs/sec on my
>> IDE drives. Would this setup be any faster?
>
> If you want faster throughput then onboard controllers or PCI-express
> (PCI-e) are the way to go.
>
> I'm not sure how the bandwidth of regular old PCI compares to (i.e.
> limits) that of an SATA harddrive, but you can come across PCI's
> performance limitations if using a RAID array. PCI-express has
> _signifcantly_ more capacity than regular old PCI - I read recently
> that regular old PCI may be unable to keep up with a gigabit network
> card & that onboard gigbit network ports are faster.
>
> I tend to think of PCI-X just as "long PCI" or only-a-bit-faster-than
> PCI. It might be (say?) double the speed of short PCI, but it doesn't
> match PCI-e's several-times (?) performance. PCI-X may be useful when
> trying to get the best performance out of an older motherboard, or if
> you're trying to save money by picking up an expensive hardware-RAID
> card cheaper secondhand, but I would try to avoid investing too much
> money in it until you've done the maths - a new motherboard / CPU /
> RAM might even be cheaper & faster.
>
> Stroller.

So basically I need to build a new rig with newer stuff?  I have a old 
Abit NF7-2.0 mobo right now.  I want to build a rig with dual CPUs and 
all the "new" stuff.  Got to save up some serious cash first tho.  Being 
disabled makes that take a little time.

Thanks for the info.

Dale

:-)  :-)  :-) 
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