3 Firm wa
re upgrades
The firmware is from a third party open source community and is not related to the
author, this section is only intended as a burn-in tutorial for the RK Rexchip.
TF
card boot principle
◼ TF boot princ
iple: During the RK3568 boot seek loading process, the TF card has a
higher priority than the eMMC, making the device l o a d t h e TF card firmware
first.
Advantages and disadvantages of TF-boot (card
-brush) and eMMC-boot (wire-brush)
⚫
TF boot (card swipe)
Disadvantage: The H68K is not compatible with some high-speed cards, resulting in
abnormal
boot-ups or abnormal functionality due to data loading errors caused by too
fast a rate during power-up loading.
Priority: different networks can be configured with different TF cards. the H68K is a
portable route, so you can swap different TF cards for business trips and commuting to
work. Dual system firmware is also possible: if you can accept an Android TV without
WIFI functionality, then remove the TF card to power up the H68K and it is an
Android HD box.
⚫
eMMC
boot (wire brush)
Cons:
Need to poke maskrom to upgrade the keyhole, the key is easy to
break. Unable to implement one machine for multiple network scenarios.
Priority: stable boot.
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