Kombiyuutarada, Qalabka
Waa maxay sababta loo baahan yahay USB-maamusha
Universal interface baska USB tahay computer shakhsi caan ah. Waxay ogol yihiin qalabka kala duwan Daisy-chaining ilaa 127 unug. function taageero USB-bas Universal in ay ku xidhmaan qalabka / goostay iyagoon off xoogga computer shakhsi ahaaneed. Xaaladdan oo kale, qalabka xiran waxaa si toos ah ku shaqeeya karaa iyada oo interface USB ah, taas oo ay meesha baahida loo qabo in ay isticmaalaan sahay awood dheeraad ah. In this article ayaan ka hadli doonaa oo ku saabsan qalabka sida USB-dirato. Waxaan ka fiirsan ujeedada, caddaymaha iyo noocyada ay.
Waa maxay sababta loo baahan yahay USB-xakamaysada ah?
heshiis waxa uu ku siinayaa isgaarsiinta ee dhammaan qalabka durugsan ku xiran baska. USB-xakamaysada ah - waa qalab caqli badan taas oo ah awoodo si ay ula falgalaan Goldogob processor la RAM ee kombiyuutarka shakhsi marayo hab helaan xasuusta. By nooc ka mid ah is-dhexgalka ee qalabka sida la gayn karo oo qayb ka ah macquulka ah habka ama sida wareeggeedii gaar ah (chips) sida motherboard ugu computer, iyo Guddiga Gabadhay ah (kaarka ballaarinta). Sida laga soo xigtay PCI ee habka la xidhiidha USB-xakamaysada ah la qaybiyay kartaa basaska PCI iyo PCI Express.
Caddaymaha iyo noocyada kala duwan ee qalabka
Waayo, xakamaysada USB2.0 USB loogu talagalay Universal Serial Bus Nooca EHCI. Waa inay awoodaan inay ku taageeraan shaqada ee xawaaraha sare (480 Mbit / s). Tani xakamaysada ah iyada oo xawaalad gaar ah taageera-xawaaraha hooseeyo interface USB1.1 si ay u taageeraan qalabka gaabis ah.
Waayo, USB3.0 loogu talagalay xakamaysada ah nooca USB-xawaaraha ciidankii XHCI, kaasoo kara inuu taageero is-dhaafsiga macluumaadka ee dhammaan saddexda xawaare.
gunaanad
Si Loo soo kobo, Aynu niraahno in haddii aad computer ma laha ee USB-dekedaha, si beddelka yar mahad waxaa suurtagal ah si loo soo dajiyo ee USB-dirato. aaladaha noocan oo kale ah ayaa la fuliyaa qaab nooca PCI-kaarka ballaarinta ama PC-kaarka for laptops. ilaaliyaal Remote waxaa laga heli karaa iyada oo taageero 2.0 iyo 3.0 USB1.0. Haddii aad go'aansatay in ay isu soo qalab noocan oo kale ah, waxa fiican in aad doorato oo dheeraad ah degdeg, sida ay qiimaha ku dhawaad waa isku mid. Sida ay mabda this waxaa lagu beddeli karaa by xakamaysada ah jira si dhakhso ah. Si kastaba ha ahaatee, casriyeynta sida waa inaan la ilaawin in aad u baahan doontaa in dib wadayaasha ee dirato si ay u dhamaystiraan hawlgalka.
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