Update (08/26/2017) Update:
I updated my SATV Pro 2015 to ROM 5.x, I did not have to replace dtb file. The img files from link below seem still working.
The following have been tested for SATV ROM 3.x.
Latest boot images based on L4T24.2 ...
I used a SATA extension cable to test different HDD/SSDs (see photo), the results are below, i.e., SSD and internal eMMC are more than twice as fast as SHDD.
sudo hdparm -Tt /dev/sda32
250GB EVO 850 M2 SSD:
Timing cached rea...
I made a recovery image form the L4T-R24.2 kernel and boot it on SATV-PRO. It boot into the kernel and hang.
You can try boot images from the link in my previous post or add "CONFIG_ANDROID=y" to "tegra210_defconfig" and rebuild kernel....
I'll just keep an eye out for the boot.img. Then try if anything works. :)
I have 5 boot images in the following link with device name as part of the file name, for SD, USB, Internal EMMC, and internal HDD, e.g.,
boot_mmcblk1p1.img for SD card....
I confirmed that both SATV 3.x and 64 bit L4T 24.1 work after replacing dtb from L4T 24.1.
The boot images for rootfs on external SD and USB can be downloaded from: