diff --git a/OvmfPkg/Include/OvmfPlatforms.h b/OvmfPkg/Include/OvmfPlatforms.h
index ee9f6554d0..cc67f40a88 100644
--- a/OvmfPkg/Include/OvmfPlatforms.h
+++ b/OvmfPkg/Include/OvmfPlatforms.h
@@ -31,6 +31,7 @@
 // Values we program into the PM base address registers
 //
 #define PIIX4_PMBA_VALUE  0xB000
+#define ICH9_PMBASE_VALUE 0x0600
 
 //
 // Common bits in same-purpose registers