Do you have a serial console port? Can you monitor the boot process? On 9/17/18 4:51 PM, Orion Poplawski wrote: > Hello - > > I'm just getting started in the work of Arm based boards. I'd like to use > CentOS on my Orange Pi Zero. I've followed the instructions here: > https://wiki.centos.org/SpecialInterestGroup/AltArch/armhfp but the system > does not appear boot - no red LED, no ethernet activity. It does when I use > one of the Orange Pi provided Ubuntu images. > > I'm using the /usr/share/uboot/orangepi_zero/u-boot-sunxi-with-spl.bin uboot > image, and CentOS-Userland-7-armv7hl-generic-Minimal-1804-sda.raw.xz centos > image. Comparing the contents of partition 1 which seems to be the boot > partition, on the Orange Pi image I see: > > # ls -l /mnt > total 4654 > -rwxr-xr-x. 1 root root 538 Nov 9 2016 boot.scr* > -rwxr-xr-x. 1 root root 34864 Nov 9 2016 script.bin* > -rwxr-xr-x. 1 root root 49292 Nov 9 2016 sys_config.fex* > -rwxr-xr-x. 1 root root 4679592 Nov 9 2016 uImage* > > while on the Centos image I see: > > root at barry.cora.nwra.com [~]# ls -l /mnt > total 12998 > -rwxr-xr-x. 1 root root 50248 May 1 06:26 bootcode.bin* > -rwxr-xr-x. 1 root root 4442 May 1 06:26 config-64.txt* > -rwxr-xr-x. 1 root root 4285 May 1 06:26 config.txt* > -rwxr-xr-x. 1 root root 2594 May 1 06:26 fixup_cd.dat* > -rwxr-xr-x. 1 root root 6581 May 1 06:26 fixup.dat* > -rwxr-xr-x. 1 root root 9726 May 1 06:26 fixup_db.dat* > -rwxr-xr-x. 1 root root 9726 May 1 06:26 fixup_x.dat* > drwxr-xr-x. 2 root root 2048 May 1 06:26 overlays/ > -rwxr-xr-x. 1 root root 411984 May 1 06:26 rpi2-u-boot.bin* > -rwxr-xr-x. 1 root root 422632 May 1 06:26 rpi3-u-boot.bin* > -rwxr-xr-x. 1 root root 667492 May 1 06:26 start_cd.elf* > -rwxr-xr-x. 1 root root 4965380 May 1 06:26 start_db.elf* > -rwxr-xr-x. 1 root root 2827652 May 1 06:26 start.elf* > -rwxr-xr-x. 1 root root 3911652 May 1 06:26 start_x.elf* > > which seems more Raspberry Pi oriented? > > Is there something I'm missing? >