I-Raspberry Pi 4B: Ikhompyutha encane futhi enamandla

Incazelo emfushane:

incazelo yomkhiqizo
I-motherboard ye-microcomputer esekelwe ku-ARM, isebenzisa ikhadi le-SD/MicroSD njenge-memory hard disk. Kukhona ukuxhumana kwe-USB okungu-1/2/4 kanye nesixhumi esibonakalayo se-10/100 Ethernet ebhodini lomama lekhadi (uhlobo A alunayo imbobo yenethiwekhi), engaxhunywa Ikhibhodi, ikhebula legundane nenethiwekhi, kanye nesixhumi esibonakalayo se-TV amasignali e-analog yevidiyo kanye ne-HDMI isixhumi esibonakalayo sokuphuma kwevidiyo enencazelo ephezulu. Izingxenye ezingenhla zonke zihlanganiswe ebhodini lomama elikhulu kancane kunekhadi lesikweletu. Inayo yonke imisebenzi eyisisekelo ye-PC futhi idinga kuphela ukuxhunywa ku-TV. kanye nekhibhodi, ungenza imisebenzi eminingi efana namaspredishithi, ukucubungula amagama, ukudlala imidlalo, ukudlala amavidiyo anencazelo ephezulu, nokuningi. Imodeli ye-Raspberry Pi B inikeza kuphela ibhodi lekhompiyutha, ayikho inkumbulo yamandla, ikhibhodi, i-chassis noma uxhumano.

Thumela i-imeyili kithi

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Igama: I-Raspberry Pi4B
I-SOC: Broadcom BCM2711
CPU: 64-bit 1.5GHz quad-core (28nm inqubo)
CPU: Broadcom VideoCore V@500MHz
I-Bluetooth: I-Bluetooth 5.0
Isixhumi esibonakalayo se-USB: USB2.0*2USB3.0*2
I-HDMI: i-HDMI*2 encane isekela i-4K60
Isixhumi esibonakalayo sokunikezela kwamandla: Uhlobo C (5V 3A)
I-Multimedia: H.265 (4Kp60 decode);
H.264 (1080p60 khipha ikhodi, 1080p30 faka ikhodi);
I-OpenGL ES, i-graphicsencode engu-3.0);
I-OpenGL ES, ihluzo ze-3.0
Inethiwekhi ye-Wifi: 802.11AC wireless 2.4GHz/5GHz dual-band Wifi
Inethiwekhi enezintambo: I-Gigabit Ethernet yeqiniso (imbobo yenethiwekhi ingafinyelelwa
Inkondlo ye-Ethernet: I-Ethernet nge-HAT eyengeziwe

Izici ezibalulekile ze-Raspberry Pi 4B:
Isivinini sokucubungula esisheshayo:
1. Iphrosesa yakamuva ye-Broadcom 2711 quad-core Cortex A72 (ARM V8-A) 64-bit SoC evalwe ku-1.5GHz ithuthukisa ukusetshenziswa kwamandla; kanye nama-thermals ku-Pi 4+B asho ukuthi i-CPU ku-BCM2837 SoC manje ingasebenza ku-1.5 GHz Lokho ukuthuthuka okungama-20% kunemodeli yangaphambilini ye-Pi 3, eyayisebenza ku-1.2GHz.
2. Ukusebenza kwevidiyo ku-Pi 4 B kuthuthukisiwe ngokusekelwa kokuqapha okukabili ezinqumweni ezifika ku-4K ngezimbobo ezimbili; ukuqopha ividiyo yehadiwe kuze kufike ku-4Kp60, ukusekelwa kokuqoshwa kwe-H 265 (4kp 60); H.264 kanye nokukhishwa kwekhodi kwe-MPEG-4 (1080p60).

I-wireless esheshayo:
1. Uma kuqhathaniswa nemodeli ye-Pi 3 yangaphambilini, ushintsho olubalulekile ku-Pi 4 B ukufakwa kwentsha, esheshayo; i-dual-band wireless chip esekela i-802.11 b/g/n/ac i-LAN engenantambo.
2. I-Dual-band 2.4GHz kanye ne-5GHz wireless LAN isekela uxhumo lwenethiwekhi olusheshayo nokuphazamiseka okuncane, futhi ubuchwepheshe obusha be-antenna ye-PCB busekela ukwamukela okungcono.
3. I-5.0 yakamuva ikuvumela ukuthi usebenzise ikhibhodi/i-trackpad engenantambo enobubanzi obuningi kunangaphambili, ngaphandle kwama-dongles engeziwe; igcina izinto zicocekile.

Ukuxhumeka kwe-Ethernet okuthuthukisiwe:
1. I-Pi 4 B inokuxhumana okunezintambo okushesha kakhulu, ngobuchwepheshe be-USB 3.0; sibonga i-chip ye-USB/LAN ethuthukisiwe; kufanele ubone isivinini esifika izikhathi eziyi-10 ngokushesha kunamamodeli we-Pi wangaphambilini.
2. Unhlokweni we-GPIO uhlala unjalo, izikhonkwane ezingama-40; ibuyela emuva ngokugcwele iyahambisana namabhodi omama wangaphambilini, njengamamodeli amathathu okuqala e-Pi. Nokho; kufanele kuqashelwe ukuthi amapulaki amasha e-PoE angase ahlangane nezingxenye ezingaphansi kwamakepisi athile; njengezikepisi zothingo.