info

root@beaglebone:~# uname -a
Linux beaglebone 3.8.13 #1 SMP Wed Sep 4 09:09:32 CEST 2013 armv7l GNU/Linux
root@beaglebone:~# cat /proc/cpuinfo 
processor       : 0
model name      : ARMv7 Processor rev 2 (v7l)
BogoMIPS        : 297.40
Features        : swp half thumb fastmult vfp edsp thumbee neon vfpv3 tls 
CPU implementer : 0x41
CPU architecture: 7
CPU variant     : 0x3
CPU part        : 0xc08
CPU revision    : 2

Hardware        : Generic AM33XX (Flattened Device Tree)
Revision        : 0000
Serial          : 0000000000000000
root@beaglebone:~# cat /etc/issue
Angstrom v2012.12 - Kernel \r

serial

Board Cable
Pin 1 (GND) Black (GND)
Pin 4 (RX) Green (TX)
Pin 5 (TX) White (RX)

update board

dpavlin@nuc:/tmp$ xzcat bone-debian-9.3-iot-armhf-2018-01-28-4gb.img.xz | sudo dd of=/dev/sdc bs=1M

Insert SD card, press S2 USER/BOOT button to boot from SD card

https://elinux.org/Beagleboard:BeagleBoneBlack_Debian#Flashing_eMMC