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Sata question

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xbreaka

Gawd
Joined
Dec 21, 2003
Messages
604
my nf7(not s) does not support sata,is there anyway i could hook up one of those ridiculous fast sata drives, is there like a pci adapter or somethin?
 
If I'm not mistaken, the PCI cards connect via the PCI bus and not the direct Northbridge connection, there for are limited in speed.
 
I'm pretty sure that a PCI SATA header is going to bottleneck your speed significantly. If someone knows differently please correct me, but it seems like going throught the PCI bus is a bad idea if you're looking for speed.
 
on paper yes there is a bottleneck. Ironicaly unless you are runnng a board with ich5r io controller your onboard sata is using the pci bus as well.

For example an ASUS P4c800-e like mine uses the ich5r and a promise controller. The promise one , while offering more options is limited in performance by the limitations of available bandwidth on the pci bus. In most cases this is not as issue but if you are runnning alot of expansion cards and say raid 0 in the promise you may hit a perforemance ceiling under exstream conditions. I use the Intel ich5r for raid 0.

In most cases you wont even notice. So have fun and get an expansion card baring in mind that if you become a power user with multple raid arrays you may hit a brick wall. That being the somewhat limited bandwidth of the pci bus. 133mbs max shared with all components
 
SATA through Northbridges (a la new Intel i865/875 mobos, new Athlon boards) give SATA the full 150 MB/s theoretical peak rate. SATA through PCI limits it to 133 MB/s (PCI max transfer), so yeah, it would hamper its performance somewhat I would say if you actually got the transfer rates to max levels.
 
Originally posted by BillLeeLee
SATA through Northbridges (a la new Intel i865/875 mobos, new Athlon boards) give SATA the full 150 MB/s theoretical peak rate. SATA through PCI limits it to 133 MB/s (PCI max transfer), so yeah, it would hamper its performance somewhat I would say if you actually got the transfer rates to max levels.
Click to expand...

which you don't....


current hard drives will not max out your pci bus, buy the card
 
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