--- On Sun, 9/20/09, ah...clem <boneheads...@gmail.com> wrote: > while the PCI bus IS slower than the system bus, it is NOT > the limiting factor in data transfer to and from the HD. > in a sawtooth, the PCI bus speed is 33 MHz and the data path is 64 bits > wide. multiply (33,000,000 cycles/s) times (64 bits/cycle), and > you get 2112 Mbits/s, and dividing by 8 (bits/byte), you find that the > PCI bus has a theoretical limit of 264 MB/s data transfer rate.
And exactly how many 33MHz/64bit adapter cards (SATA/PATA) are there? My point was that a 32bit card might run at 66MHz in a modern pc but is only going to have a max bandwidth of 132MB/s in a powermac. > is any of this getting thru? Apparently not. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list -~----------~----~----~----~------~----~------~--~---
