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-rw-r--r--docs/Config_Reference.md5
1 files changed, 4 insertions, 1 deletions
diff --git a/docs/Config_Reference.md b/docs/Config_Reference.md
index cc44f0ad..416b1196 100644
--- a/docs/Config_Reference.md
+++ b/docs/Config_Reference.md
@@ -2602,7 +2602,10 @@ sections with a "neopixel" prefix). See the
[command reference](G-Codes.md#led) for more information.
Note that the [linux mcu](RPi_microcontroller.md) implementation does
-not currently support directly connected neopixels.
+not currently support directly connected neopixels. The current design
+using the Linux kernel interface does not allow this scenario because
+the kernel GPIO interface is not fast enough to provide the required
+pulse rates.
```
[neopixel my_neopixel]