|
Major Member
|
引用:
Originally posted by over55Stars
TI的原廠資料
http://focus.ti.com/docs/prod/folde...t/tsb82aa2.html
Description
The TSB82AA2 OHCI-Lynx operates as the interface between a 33-MHz/64-bit or 33-MHz/32-bit PCI local bus anda compatible 1394b PHY-layer device (such as the TSB81BA3 device) that is capable of supporting serial data ratesat 98.304M, 196.608M, 393.216M, or 786.432M bits/s (referred to as S100, S200, S400, or S800 speeds,respectively). When acting as a PCI bus master, the TSB82AA2 device is capable of multiple cacheline bursts of data,which can transfer at 264M bytes/s for 64-bit transfers or 132M bytes/s for 32-bit transfers after connecting to thememory controller
潑了兩桶冷水,也要說點正面的資料
除了頻寬,1394b比起1394a還是多了些功能(雖然不一定有機會用到),比方......連線距離100m(1394a只有4.5m),......好吧,100m畢竟增加不少彈性吧
|
有點無力...
您貼的原廠資料在下之前已經看過了，132M bytes/s for 32-bit這本來就是32bit PCI的頻寬極限所在...
在下目前手頭上沒有64bit PCI的主機板，可預見的未來也不會購入，所以壓根不打算購入64bit PCI版本的1394b卡
另外，資料上似乎也沒提到在32bit PCI下會變為1394a |