diff --git a/configs/sam4l-xplained/README.txt b/configs/sam4l-xplained/README.txt
index 088db6a64e..03507e46f5 100644
--- a/configs/sam4l-xplained/README.txt
+++ b/configs/sam4l-xplained/README.txt
@@ -800,6 +800,7 @@ Configuration sub-directories
          CONFIG_NX_DISABLE_24BPP=y
          CONFIG_NX_DISABLE_32BPP=y
          CONFIG_NX_PACKEDMSFIRST=y          : LSB packed first (shouldn't matter)
+         CONFIG_NXSTART_EXTERNINIT=y        : We have board_graphics_setup()
          CONFIG_NXTK_BORDERWIDTH=2          : Use a small border
          CONFIG_NXTK_DEFAULT_BORDERCOLORS=y : Default border colors
          CONFIG_NXFONTS_CHARBITS=7          : 7-bit fonts
diff --git a/configs/samd20-xplained/README.txt b/configs/samd20-xplained/README.txt
index 5d8f9c0518..ac885a6dd1 100644
--- a/configs/samd20-xplained/README.txt
+++ b/configs/samd20-xplained/README.txt
@@ -848,6 +848,7 @@ Configuration sub-directories
          CONFIG_NX_DISABLE_24BPP=y
          CONFIG_NX_DISABLE_32BPP=y
          CONFIG_NX_PACKEDMSFIRST=y          : LSB packed first (shouldn't matter)
+         CONFIG_NXSTART_EXTERNINIT=y        : We have board_graphics_setup()
          CONFIG_NXTK_BORDERWIDTH=2          : Use a small border
          CONFIG_NXTK_DEFAULT_BORDERCOLORS=y : Default border colors
          CONFIG_NXFONTS_CHARBITS=7          : 7-bit fonts
diff --git a/configs/samd21-xplained/README.txt b/configs/samd21-xplained/README.txt
index 8fdacc8f0e..927a84273e 100644
--- a/configs/samd21-xplained/README.txt
+++ b/configs/samd21-xplained/README.txt
@@ -713,6 +713,7 @@ Configuration sub-directories
          CONFIG_NX_DISABLE_24BPP=y
          CONFIG_NX_DISABLE_32BPP=y
          CONFIG_NX_PACKEDMSFIRST=y          : LSB packed first (shouldn't matter)
+         CONFIG_NXSTART_EXTERNINIT=y        : We have board_graphics_setup()
          CONFIG_NXTK_BORDERWIDTH=2          : Use a small border
          CONFIG_NXTK_DEFAULT_BORDERCOLORS=y : Default border colors
          CONFIG_NXFONTS_CHARBITS=7          : 7-bit fonts
diff --git a/configs/saml21-xplained/README.txt b/configs/saml21-xplained/README.txt
index f2a3cc79a3..94c2238213 100644
--- a/configs/saml21-xplained/README.txt
+++ b/configs/saml21-xplained/README.txt
@@ -883,6 +883,7 @@ Configuration sub-directories
          CONFIG_NX_DISABLE_24BPP=y
          CONFIG_NX_DISABLE_32BPP=y
          CONFIG_NX_PACKEDMSFIRST=y          : LSB packed first (shouldn't matter)
+         CONFIG_NXSTART_EXTERNINIT=y        : We have board_graphics_setup()
          CONFIG_NXTK_BORDERWIDTH=2          : Use a small border
          CONFIG_NXTK_DEFAULT_BORDERCOLORS=y : Default border colors
          CONFIG_NXFONTS_CHARBITS=7          : 7-bit fonts
diff --git a/configs/stm32f4discovery/README.txt b/configs/stm32f4discovery/README.txt
index b14b70b518..e29c20478e 100644
--- a/configs/stm32f4discovery/README.txt
+++ b/configs/stm32f4discovery/README.txt
@@ -1717,6 +1717,7 @@ Where <subdir> is one of the following:
 
      -CONFIG_NX_DISABLE_1BPP=y
      +CONFIG_NX_DISABLE_16BPP=y
+     +CONFIG_NXSTART_EXTERNINIT=y
 
      -CONFIG_EXAMPLES_NXLINES_BGCOLOR=0x0320
      -CONFIG_EXAMPLES_NXLINES_LINEWIDTH=16