usb 2.0 cardbus (power?)

来源: 于 2005-08-20 19:03:44 [旧帖] [给我悄悄话] 本文已被阅读：次

I bought a 2 port u***** 2.0 cardbus with power adapter.
however, it seems it is not needed. Somebody said if i need 2 ports simultaneously, the power is needed. any expert to tell me more?