On Wednesday 18 September 2019 17:49:49 deloptes wrote: > Gene Heskett wrote: > > 2 possible differences. Its not powered correctly when powered from > > gpio pin 6=gnd, and 2=5.11 volts. A pi3b has been running that way > > for 2+ years and the gpio is said to be 100% pi3b compatible. Argue > > with me on that, this rp-4 came with no docs. > > Yes but we are already almost two decades in the 21 century > https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711 >/rpi_DATA_2711_1p0_preliminary.pdf > https://www.raspberrypi.org/documentation/usage/gpio/ > > and I am sure if you have the time to write here, you also have the > time to check the online documentation. > > It says that you can power it up with the pins (as before). I just > wonder if the current you supply is sufficient. Also it says that > powering PI via GPIO bypasses all protection. > > Here the complete list, if someone is wondering what is needed to > bring RPI4B up > > RPi4 (check) > Box Joy-IT with active cooling (not yet) > microSD >=4GB (64GB) > USB charger 3A/5V (5A-5V) > USB cable (USB-A to USB-C) (what for) > HDMI cable (HDMI-HDMI micro highspeed) (have several, all std hdmi ends)
Add 4 port usb3 hub, 2 60GB SSD's and 2 dongles for wireless keyboard and mouse) That should cover it. No heat sink, but its not doing anything, I can touch the SOC top, hot but not dangerously so. Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene>