{"id":35627,"date":"2019-10-31T22:05:26","date_gmt":"2019-10-31T19:05:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/predstavlena-plata-raspberry-pi-4\/"},"modified":"2019-10-31T22:05:26","modified_gmt":"2019-10-31T19:05:26","slug":"predstavlena-plata-raspberry-pi-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/predstavlena-plata-raspberry-pi-4","title":{"rendered":"Tutvustatakse Raspberry Pi 4 plaati","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kolme ja poole aasta m\u00f6\u00f6dudes alates pakettide loomise<\/a><\/noindex> Raspberry Pi 3, Raspberry Pi Fond esitles<\/a><\/noindex> uus p\u00f5lvkond plaate Raspberry Pi 4<\/a><\/noindex>. Mudel «B» on n\u00fc\u00fcd tellimiseks saadaval. varustatud<\/a><\/noindex> uue SoC BCM2711, mis on t\u00e4ielikult \u00fcmber t\u00f6\u00f6tatud varasemast BCM283X kiibist, mis on toodetud 28nm tehnoloogias. Plaadi hind on j\u00e4\u00e4nud muutumatuks ja on endiselt 35 USA dollarit. <\/p>\n

SoC sisaldab endiselt nelja 64-bitist ARMv8 tuuma ja t\u00f6\u00f6tab vaid veidi suurenenud sagedusel (1,5 GHz asemel 1,4 GHz). Tehnoloogia muutmine on v\u00f5imaldanud asendada Cortex-A53 k\u00f5rgema j\u00f5udlusega Cortex-A72 tuumaga, mis t\u00f5i j\u00f5udluse uuele tasemele. Lisaks on \u00fclemineku k\u00e4igus kasutusele v\u00f5etud LPDDR4 m\u00e4lu, mis tagab kolme korra k\u00f5rgema andmevoo v\u00f5rreldes varem kasutatud LPDDR2 m\u00e4luga. Tulemusena \u00fcletab uus plaat j\u00f5udlustestis varasema Raspberry Pi 3B+ mudeli 2-4 korda.<\/p>\n

Teistest olulistest erinevustest v\u00f5ib mainida PCI Express kontrolleri lisamist, kahte USB 3.0 porti (pluss kaks USB 2.0 porti) ja kahte Micro HDMI porti (enne oli \u00fcks t\u00e4issuuruses HDMI port), mis v\u00f5imaldavad kuvada pilte kahele monitorile 4K kvaliteedis. Oluliselt on uuendatud VideoCore VI graafikakiirendajat, mis toetab OpenGL ES 3.0 ja suudab dekodeerida H.265 videosid 4Kp60 kvaliteedis (v\u00f5i 4Kp30 kahel monitoril). Toide saab tulla l\u00e4bi USB-C pordi (enne oli USB micro-B), GPIO kaudu v\u00f5i lisavarustusena moodul<\/a><\/noindex> PoE HAT (Power over Ethernet).<\/p>\n

Veelgi enam, kauaoodatud probleem v\u00e4ikese t\u00f6\u00f6m\u00e4lu suurusega on lahendatud \u2014 plaat on n\u00fc\u00fcd saadaval variantides, kus on 1, 2 ja 4 GB RAM-i (hinnad vastavalt 35 $, 45 $ ja 55 $), mis teeb uuest plaadist sobiva lahenduse t\u00f6\u00f6jaamade, m\u00e4nguplatvormide, serverite, nutikodu v\u00e4ravate, robotite juhtimisseadmete ja kaasaegsete multimeedia s\u00fcsteemide loomiseks. <\/p>\n

T\u00e4iustatud gigabit Ethernet-kontroller, mis on n\u00fc\u00fcd \u00fchendatud SoC-iga eraldi RGMII bussiga, mis v\u00f5imaldab saavutada t\u00e4ielikku deklaratsioonitud j\u00f5udlust. USB on n\u00fc\u00fcd teostatud eraldi VLI kontrolleri kaudu, mis on \u00fchendatud PCI Expressiga ja tagab kokku 4 Gbps l\u00e4bilaskev\u00f5ime. Nagu varem, on plaadil 40 GPIO porti, DSI (puutetundliku ekraani \u00fchendus), CSI (kaamera \u00fchendus) ja traadita suhtluskiip, mis toetab 802.11ac standardit ning t\u00f6\u00f6tamist sagedustel 2.4GHz ja 5GHz ning Bluetooth 5.0.<\/p>\n

\"Tutvustatakse<\/a><\/noindex><\/center><\/p>\n

Vabastati uus v\u00e4ljaanne distributiivist Raspbian<\/a><\/noindex>, milles on tagatud t\u00e4ielik toetus Raspberry Pi 4-le. V\u00e4ljalaskmine on ka t\u00e4helepanuv\u00e4\u00e4rne \u00fcleminekuga Debian 10 «Buster» pakettidele (varem kasutati Debian 9), oluliselt \u00fcmber kujundatud kasutajaliidese ja uue Mesa V3D draiveri kasutusele v\u00f5tuga, mis pakub m\u00e4rkimisv\u00e4\u00e4rselt paremat 3D tuge (sealhulgas OpenGL-i kasutamist brauseri kiirendamiseks). Kahte kogumit on valmistatud laadimiseks \u2014 l\u00fchendatud (406 MB<\/a><\/noindex>) serverite s\u00fcsteemidele ja t\u00e4isversioon (1,1 GB<\/a><\/noindex>), mis tuleb koos kasutajakeskkonnaga PIXEL<\/a><\/noindex> (LXDE haru). Paigaldamiseks on hoonestus<\/a><\/noindex> saadaval umbes 35 tuhat paketti. <\/p>\n

\"Tutvustatakse<\/a><\/noindex><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Allikas: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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\u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u0440\u0430\u043d\u0435\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0447\u0438\u043f\u0430 BCM283X, \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u043c\u044b\u0439 \u043f\u043e \u0442\u0435\u0445\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0443 28nm. \u0426\u0435\u043d\u0430 \u043f\u043b\u0430\u0442\u044b \u043e\u0441\u0442\u0430\u043b\u0430\u0441\u044c \u043d\u0435\u0438\u0437\u043c\u0435\u043d\u043d\u043e\u0439 \u0438 \u043a\u0430\u043a \u0440\u0430\u043d\u044c\u0448\u0435 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 35 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-35627","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Esitletud Raspberry Pi 4 plaati | ProHoster","description":"Kolme ja poole aasta m\u00f6\u00f6dudes p\u00e4rast Raspberry Pi 3 loomist esitles Raspberry Pi Foundation","canonical_url":"https:\/\/prohoster.info\/et\/blog\/news\/predstavlena-plata-raspberry-pi-4","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","og:site_name":"ProHoster | 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