Revision as of 08:53, 25 September 2023

Introduction

 * Prepare 8G/above TF card, USB-Serial cable, Ubuntu System
 * Using your USB-Serial cable Connect to debug console on BPI-R4

 * BPI-R4 bootstrap and device select Jumper Setting

  Note: SW3-A and SW3-B is for boot strap selecting;

  * Examples:
    All Jumper is Low: BPI-R4 will boot from SD card

    All Jumper is Low.

@@ Line 19: / Line 19: @@
 [[File:R4-bootstrip.png|320px]]
-    Note: SW1-A and SW1-B is for boot strap selecting;
+    Note: SW3-A and SW3-B is for boot strap selecting;
-         SW1-C is that SPI-Nand or SPI-Nor Device is connected to CPU's SPI bus;
-         SW1-D is that SD Card or EMMC device is connected tp CPU's EMMC bus.
     * Examples:
-      All Jumper is High.
+      All Jumper is Low: BPI-R4 will boot from SD card
-     [[Image:BPI-R3-Jumper-ALL-High.png|320px]]
+  [[File:R4 SDBOOT.png|320px]]
       All Jumper is Low.
       [[Image:BPI-R3-Jumper-ALL-Low.png|320px]]