It practice, the cap for a 32/33 PCI bus on a modern intel chipset is ~ 100MB/s
> Date: Wed, 19 Dec 2007 13:33:37 -0500 > From: [EMAIL PROTECTED] > To: hardware@hardwaregroup.com > Subject: Re: [H] PCI Bus at 3MB/s > > > "Greg Sevart" wrote: > >> Is there actually any appreciable difference in cost? >> >> But, to answer your question, the PCI bus (assuming standard 32bit/33MHz) is >> limited to an aggregate theoretical 133MB/s, so even SATA150 can saturate >> the entire bus. > > http://www.pcguide.com/ref/mbsys/buses/funcBandwidth-c.html > > Note: You may be somewhat confused by the bandwidth numbers I have > listed in the table above. For example, shouldn't the bandwidth of > standard PCI be 32/8*33.3=133.3 MB/sec? This is how most people and even > companies write it, but this is not technically correct, because of the > old problem of different definitions of what "M" stands for. The "M" in > "MHz" is 1,000,000 (10^6), but the "M" in "MBytes/second" is 1,048,576 > (2^20). So the bandwidth of the PCI bus is more properly stated as > 32/8*33.3*1,000,000/1,048,576=127.2 MBytes/second. > _________________________________________________________________ Get the power of Windows + Web with the new Windows Live. http://www.windowslive.com?ocid=TXT_TAGHM_Wave2_powerofwindows_122007
