Please see below command output on a Beelink MiniMXIII 2gb/16gb:
LG 49UF8500
##############################################
# LibreELEC #
# http://libreelec.tv #
##############################################
LibreELEC (community) Version: 7.0.2.006
LibreELEC-Beelink:~ # cat /sys/class/amhdmitx/amhdmitx0/disp_cap
480p60hz
576p50hz
720p60hz
1080i60hz
1080p60hz
720p50hz
1080i50hz
1080p30hz
1080p50hz*
1080p25hz
1080p24hz
2160p30hz
2160p25hz
2160p24hz
smpte24hz
smpte25hz
smpte30hz
smpte50hz420
smpte60hz420
2160p50hz420
2160p60hz420
Display More
After upgrading to last test build:
##############################################
# LibreELEC #
# http://libreelec.tv #
##############################################
LibreELEC (community) Version: devel-20160821184509-r23281-gc0127b4
LibreELEC git: c0127b46cdfcf166217c7c05c1e3cb8e243241ff
LibreELEC-Beelink:~ # cat /sys/class/amhdmitx/amhdmitx0/disp_cap
480p60hz
576p50hz
720p60hz
1080i60hz
1080p60hz
720p50hz
1080i50hz
1080p30hz
1080p50hz*
1080p25hz
1080p24hz
2160p30hz
2160p25hz
2160p24hz
smpte24hz
smpte25hz
smpte30hz
smpte50hz420
smpte60hz420
2160p50hz420
2160p60hz420
Display More
I shall mention that 3840x2160p shows some glitches: flickering, whereas 4096x2160p looks fine.
Only drawback is that refresh is maxed at 24 fps.
Any idea what smpte means?
Thanks