Tänane küsimuste ja vastuste seanss jõuab meile viisakalt SuperUserini - Stack Exchange'i ja kogukonnapõhiste Q & A veebisaitide rühmitusse.
Küsimus
SuperUseri lugeja Brettetete tahab teada, miks kaasaegsetel arvutijuhtadel on veel USB 2.0 pordid:
I am currently planning out the setup for a new computer. As I was browsing through computer cases online, I realized that modern computer cases always seem to have USB 2.0 and 3.0 ports built into the front panel.
Is there a legitimate reason to have or use USB 2.0 ports on modern computer cases? As far as I know, USB 3.0 has backward compatibility. This screenshot is a perfect example of a computer case with both types of USB ports built into it (from YouTube):
Miks on kaasaegsetel arvutijuhtudel endiselt USB 2.0 pordid?
Vastus
SuperUseri toetajad Kamen Minkov, Patrick Bell ja "originaal mike west" on meie jaoks vastus. Esiteks, Kamen Minkov:
USB 3.0 does have backwards compatibility, but if you happen to buy a motherboard that does not have a USB 3.0 header connection, you are left without any front panel USB ports at all. That is one possible explanation.
Järgnes Patrick Belli vastus:
Nobody has mentioned this yet, but USB 3.0 ports can cause issues with certain installation media (like Windows 7, for example) where only USB 2.0 drivers are provided on the installation media.
Ja meie lõplik vastus "originaal mike west":
USB 2.0 ports are handy for keyboards, mouse controllers, and other non-drive uses. Because these devices do not need the speedy throughput, a keyboard or mouse connected to a USB 3.0 port would be a waste of the resource.
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