Is there any other difference in this latest version of Debian? I'm 
following a tutorial below, but the command "hwclock -r -f /dev/rtc1" is 
indicating failure to communicate with the new device:

*TUTORIAL*:
https://learn.adafruit.com/adding-a-real-time-clock-to-beaglebone-black/set-rtc-time

*ERROR*:
root@beaglebone:~# hwclock -r -f /dev/rtc1
hwclock: Cannot access the Hardware Clock via any known method.

*DEVICES*:
root@beaglebone:/# ls -la /sys/bus/i2c/devices
total 0
drwxr-xr-x 2 root root 0 Jul 27 20:19 .
drwxr-xr-x 4 root root 0 Jul 27 20:19 ..
lrwxrwxrwx 1 root root 0 Jul 27 20:19 0-0024 -> 
../../../devices/platform/ocp/44e0b000.i2c/i2c-0/0-0024
lrwxrwxrwx 1 root root 0 Jul 27 20:19 0-0034 -> 
../../../devices/platform/ocp/44e0b000.i2c/i2c-0/0-0034
lrwxrwxrwx 1 root root 0 Jul 27 20:19 0-0050 -> 
../../../devices/platform/ocp/44e0b000.i2c/i2c-0/0-0050
lrwxrwxrwx 1 root root 0 Jul 27 20:19 0-0070 -> 
../../../devices/platform/ocp/44e0b000.i2c/i2c-0/0-0070
lrwxrwxrwx 1 root root 0 Jul 27 20:19 2-0054 -> 
../../../devices/platform/ocp/4819c000.i2c/i2c-2/2-0054
lrwxrwxrwx 1 root root 0 Jul 27 20:19 2-0055 -> 
../../../devices/platform/ocp/4819c000.i2c/i2c-2/2-0055
lrwxrwxrwx 1 root root 0 Jul 27 20:19 2-0056 -> 
../../../devices/platform/ocp/4819c000.i2c/i2c-2/2-0056
lrwxrwxrwx 1 root root 0 Jul 27 20:19 2-0057 -> 
../../../devices/platform/ocp/4819c000.i2c/i2c-2/2-0057
lrwxrwxrwx 1 root root 0 Jul 27 20:19 i2c-0 -> 
../../../devices/platform/ocp/44e0b000.i2c/i2c-0
lrwxrwxrwx 1 root root 0 Jul 27 20:19 i2c-1 -> 
../../../devices/platform/ocp/4802a000.i2c/i2c-1
lrwxrwxrwx 1 root root 0 Jul 27 20:19 i2c-2 -> 
../../../devices/platform/ocp/4819c000.i2c/i2c-2

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