{"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\/no\/blog\/news\/predstavlena-plata-raspberry-pi-4","title":{"rendered":"Raspberry Pi 4-kortet er blitt presentert","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Tre og et halvt \u00e5r etter opprettelsen<\/a><\/noindex> Raspberry Pi 3, Raspberry Pi Foundation har presentert<\/a><\/noindex> den nye generasjonen kort Raspberry Pi 4<\/a><\/noindex>. Modellen «B» er n\u00e5 tilgjengelig for bestilling. utstyrt med<\/a><\/noindex> den nye SoC BCM2711, som er en helt redesign av den tidligere brukte brikken BCM283X, produsert med en 28nm teknologi. Prisen p\u00e5 kortet har holdt seg uendret og er fortsatt 35 USD. <\/p>\n

SoC-en inkluderer fortsatt fire 64-biters ARMv8 kjerner og kj\u00f8rer med en litt \u00f8kt klokkefrekvens (1,5 GHz i stedet for 1,4 GHz). Samtidig har endringen av produksjonsprosessen gjort det mulig \u00e5 erstatte Cortex-A53 med den mer kraftfulle Cortex-A72-kjernen, noe som har hevet ytelsen til et nytt niv\u00e5. I tillegg har overgangen til LPDDR4-minne, som gir tre ganger s\u00e5 h\u00f8y b\u00e5ndbredde sammenlignet med det tidligere brukte LPDDR2-minnet, blitt gjennomf\u00f8rt. Som et resultat av dette, i ytelsestester, overg\u00e5r det nye kortet den tidligere modellen Raspberry Pi 3B+ med 2-4 ganger.<\/p>\n

Blant de andre betydelige forskjellene kan vi merke oss inkluderingen av PCI Express-kontroller, to USB 3.0-porter (pluss to USB 2.0-porter) og to Micro HDMI-porter (tidligere var det en full st\u00f8rrelse HDMI), som gj\u00f8r det mulig \u00e5 koble til to skjermer i 4K-kvalitet. Grafikkprosessoren VideoCore VI er betydelig oppdatert, som st\u00f8tter OpenGL ES 3.0 og kan dekode H.265-video med 4Kp60 (eller 4Kp30 p\u00e5 to skjermer). Str\u00f8m kan leveres via USB-C-porten (tidligere var det USB micro-B), via GPIO eller via en ekstra modulen<\/a><\/noindex> PoE HAT (Power over Ethernet).<\/p>\n

I tillegg er det l\u00f8st et gammelt problem med utilstrekkelig RAM-st\u00f8rrelse \u2014 kortet tilbys n\u00e5 i varianter med 1, 2 og 4 GB RAM (priser henholdsvis $35, $45 og $55), noe som gj\u00f8r det nye kortet til en passende l\u00f8sning for \u00e5 bygge arbeidsstasjoner, spillplattformer, servere, smarthus-gatewayer, robotkontrollere og moderne multimediesystemer. <\/p>\n

Forbedret gigabit Ethernet-kontroller, som nu er tilsluttet SoC via en separat RGMII-bus, hvilket muligg\u00f8r den fulde angivne ydeevne. USB er nu implementeret via en separat VLI-kontroller, der er tilsluttet via PCI Express og giver en samlet b\u00e5ndbredde p\u00e5 4 Gbps. Som f\u00f8r er kortet udstyret med 40 GPIO-porte, DSI (tilslutning af ber\u00f8ringssk\u00e6rm), CSI (tilslutning af kamera) og en tr\u00e5dl\u00f8s chip, der underst\u00f8tter standard 802.11ac, drift p\u00e5 frekvenserne 2.4 GHz og 5 GHz samt Bluetooth 5.0.<\/p>\n

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

Samtidig blev en ny version af distributionen offentliggjort Raspbian<\/a><\/noindex>, som gir full st\u00f8tte for Raspberry Pi 4. Utgivelsen er ogs\u00e5 bemerkelsesverdig med overgangen til Debian 10 «Buster» (tidligere ble Debian 9 brukt), en betydelig redesign av brukergrensesnittet og implementeringen av den nye Mesa V3D-driveren med betydelig forbedret 3D-st\u00f8tte (inkludert tilgjengelighet av OpenGL for akselerasjon av nettleseren). To bygg er gjort klare for nedlasting \u2014 en forkortet (406 MB<\/a><\/noindex>) for serversystemer og en fullversjon (1.1 GB<\/a><\/noindex>), levert med et brukergrensesnitt PIXEL<\/a><\/noindex> (en avledning av LXDE). For installasjon fra repositoryene<\/a><\/noindex> er omtrent 35 tusen pakker tilgjengelig. <\/p>\n

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

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

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

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[…]<\/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\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\udd47 Raspberry Pi 4-bordet pr\u00e6senteret | ProHoster","description":"Tre og et halvt \u00e5r efter oprettelsen af Raspberry Pi 3, Raspberry Pi Foundation","canonical_url":"https:\/\/prohoster.info\/no\/blog\/news\/predstavlena-plata-raspberry-pi-4","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"nn_NO","og:site_name":"ProHoster | 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