diff --git a/Machines/Amiga/Chipset.cpp b/Machines/Amiga/Chipset.cpp
index 7c2a2cb65..f945eb1db 100644
--- a/Machines/Amiga/Chipset.cpp
+++ b/Machines/Amiga/Chipset.cpp
@@ -500,6 +500,11 @@ template <bool stop_on_cpu> Chipset::Changes Chipset::run(HalfCycles length) {
 		assert(line_cycle_ < line_length_ * 4);
 	}
 
+	// Advance the keyboard's serial output, at
+	// close enough to 1,000,000 ticks/second.
+	keyboard_divider_ += changes.duration;
+	keyboard_.run_for(keyboard_divider_.divide(HalfCycles(14)));
+
 	// The CIAs are on the E clock.
 	cia_divider_ += changes.duration;
 	const HalfCycles e_clocks = cia_divider_.divide(HalfCycles(20));
diff --git a/Machines/Amiga/Chipset.hpp b/Machines/Amiga/Chipset.hpp
index bcf6fa40f..00e051397 100644
--- a/Machines/Amiga/Chipset.hpp
+++ b/Machines/Amiga/Chipset.hpp
@@ -103,9 +103,10 @@ class Chipset: private ClockingHint::Observer {
 	private:
 		friend class DMADeviceBase;
 
-		// MARK: - E Clock follow along.
+		// MARK: - E Clock and keyboard dividers.
 
 		HalfCycles cia_divider_;
+		HalfCycles keyboard_divider_;
 
 		// MARK: - Interrupts.
 
diff --git a/Machines/Amiga/Keyboard.hpp b/Machines/Amiga/Keyboard.hpp
index dbdc80b0d..2ab026343 100644
--- a/Machines/Amiga/Keyboard.hpp
+++ b/Machines/Amiga/Keyboard.hpp
@@ -12,6 +12,7 @@
 #include <cstdint>
 #include "../KeyboardMachine.hpp"
 #include "../../Components/Serial/Line.hpp"
+#include "../../ClockReceiver/ClockReceiver.hpp"
 
 namespace Amiga {
 
@@ -89,6 +90,10 @@ class Keyboard {
 		void set_key_state(uint16_t, bool);
 		void clear_all_keys();
 
+		void run_for(HalfCycles duration) {
+			output_.advance_writer(duration);
+		}
+
 	private:
 		enum class ShiftState {
 			Shifting,