diff --git a/docs/galileorevh.md b/docs/galileorevh.md
new file mode 100644
index 0000000..36eaa64
--- /dev/null
+++ b/docs/galileorevh.md
@@ -0,0 +1,12 @@
+Galileo Rev H                           {#galileorevh}
+=============
+
+Galileo is a microcontroller board based on the Intel® Quark SoC X1000
+Application Processor, a 32-bit Intel Pentium-class system on a chip.
+
+The rev H board has the following limitations in libmraa:
+
+- i2c is set at 400Khz speed cannot be changed without reloading kernel module
+- i2c bus is shared with multiple devices, scanning it usually fails
+- pwm period is set globally for all pwm channels, when changed this will halt
+  all pwm channels