diff --git a/src/mainboard/amd/dbm690t/fadt.c b/src/mainboard/amd/dbm690t/fadt.c
index 3508a384db..2551247b4e 100644
--- a/src/mainboard/amd/dbm690t/fadt.c
+++ b/src/mainboard/amd/dbm690t/fadt.c
@@ -52,7 +52,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/amd/mahogany/fadt.c b/src/mainboard/amd/mahogany/fadt.c
index 851ad8b225..be99fd51e5 100644
--- a/src/mainboard/amd/mahogany/fadt.c
+++ b/src/mainboard/amd/mahogany/fadt.c
@@ -52,7 +52,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/amd/mahogany_fam10/fadt.c b/src/mainboard/amd/mahogany_fam10/fadt.c
index 851ad8b225..be99fd51e5 100644
--- a/src/mainboard/amd/mahogany_fam10/fadt.c
+++ b/src/mainboard/amd/mahogany_fam10/fadt.c
@@ -52,7 +52,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/amd/pistachio/fadt.c b/src/mainboard/amd/pistachio/fadt.c
index 3508a384db..2551247b4e 100644
--- a/src/mainboard/amd/pistachio/fadt.c
+++ b/src/mainboard/amd/pistachio/fadt.c
@@ -52,7 +52,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/amd/serengeti_cheetah/fadt.c b/src/mainboard/amd/serengeti_cheetah/fadt.c
index 6b6107070b..45d46c5b7c 100644
--- a/src/mainboard/amd/serengeti_cheetah/fadt.c
+++ b/src/mainboard/amd/serengeti_cheetah/fadt.c
@@ -19,7 +19,7 @@ void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs,void *dsdt){
 	memset((void *)fadt,0,sizeof(acpi_fadt_t));
 	memcpy(header->signature,"FACP",4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id,OEM_ID,6);
 	memcpy(header->oem_table_id,"COREBOOT",8);
 	memcpy(header->asl_compiler_id,ASLC,4);
diff --git a/src/mainboard/amd/serengeti_cheetah_fam10/fadt.c b/src/mainboard/amd/serengeti_cheetah_fam10/fadt.c
index 414db7ae4a..cb01f562e2 100644
--- a/src/mainboard/amd/serengeti_cheetah_fam10/fadt.c
+++ b/src/mainboard/amd/serengeti_cheetah_fam10/fadt.c
@@ -40,7 +40,7 @@ void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs,void *dsdt){
 	memset((void *)fadt,0,sizeof(acpi_fadt_t));
 	memcpy(header->signature,"FACP",4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id,OEM_ID,6);
 	memcpy(header->oem_table_id,"COREBOOT",8);
 	memcpy(header->asl_compiler_id,ASLC,4);
diff --git a/src/mainboard/amd/tilapia_fam10/fadt.c b/src/mainboard/amd/tilapia_fam10/fadt.c
index 851ad8b225..be99fd51e5 100644
--- a/src/mainboard/amd/tilapia_fam10/fadt.c
+++ b/src/mainboard/amd/tilapia_fam10/fadt.c
@@ -52,7 +52,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/asrock/939a785gmh/fadt.c b/src/mainboard/asrock/939a785gmh/fadt.c
index 851ad8b225..be99fd51e5 100644
--- a/src/mainboard/asrock/939a785gmh/fadt.c
+++ b/src/mainboard/asrock/939a785gmh/fadt.c
@@ -52,7 +52,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/asus/m4a785-m/fadt.c b/src/mainboard/asus/m4a785-m/fadt.c
index 851ad8b225..be99fd51e5 100644
--- a/src/mainboard/asus/m4a785-m/fadt.c
+++ b/src/mainboard/asus/m4a785-m/fadt.c
@@ -52,7 +52,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/gigabyte/ma785gmt/fadt.c b/src/mainboard/gigabyte/ma785gmt/fadt.c
index 851ad8b225..be99fd51e5 100644
--- a/src/mainboard/gigabyte/ma785gmt/fadt.c
+++ b/src/mainboard/gigabyte/ma785gmt/fadt.c
@@ -52,7 +52,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/gigabyte/ma78gm/fadt.c b/src/mainboard/gigabyte/ma78gm/fadt.c
index 851ad8b225..be99fd51e5 100644
--- a/src/mainboard/gigabyte/ma78gm/fadt.c
+++ b/src/mainboard/gigabyte/ma78gm/fadt.c
@@ -52,7 +52,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/iei/kino-780am2-fam10/fadt.c b/src/mainboard/iei/kino-780am2-fam10/fadt.c
index 851ad8b225..be99fd51e5 100644
--- a/src/mainboard/iei/kino-780am2-fam10/fadt.c
+++ b/src/mainboard/iei/kino-780am2-fam10/fadt.c
@@ -52,7 +52,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/intel/eagleheights/fadt.c b/src/mainboard/intel/eagleheights/fadt.c
index f23c727e7b..86f4ba17a1 100644
--- a/src/mainboard/intel/eagleheights/fadt.c
+++ b/src/mainboard/intel/eagleheights/fadt.c
@@ -56,7 +56,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *) fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, "CORE  ", 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, "CORE", 4);
diff --git a/src/mainboard/iwill/dk8_htx/fadt.c b/src/mainboard/iwill/dk8_htx/fadt.c
index 6b6107070b..45d46c5b7c 100644
--- a/src/mainboard/iwill/dk8_htx/fadt.c
+++ b/src/mainboard/iwill/dk8_htx/fadt.c
@@ -19,7 +19,7 @@ void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs,void *dsdt){
 	memset((void *)fadt,0,sizeof(acpi_fadt_t));
 	memcpy(header->signature,"FACP",4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id,OEM_ID,6);
 	memcpy(header->oem_table_id,"COREBOOT",8);
 	memcpy(header->asl_compiler_id,ASLC,4);
diff --git a/src/mainboard/jetway/pa78vm5/fadt.c b/src/mainboard/jetway/pa78vm5/fadt.c
index 851ad8b225..be99fd51e5 100644
--- a/src/mainboard/jetway/pa78vm5/fadt.c
+++ b/src/mainboard/jetway/pa78vm5/fadt.c
@@ -52,7 +52,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/kontron/kt690/fadt.c b/src/mainboard/kontron/kt690/fadt.c
index 3508a384db..2551247b4e 100644
--- a/src/mainboard/kontron/kt690/fadt.c
+++ b/src/mainboard/kontron/kt690/fadt.c
@@ -52,7 +52,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/technexion/tim5690/fadt.c b/src/mainboard/technexion/tim5690/fadt.c
index 3508a384db..2551247b4e 100644
--- a/src/mainboard/technexion/tim5690/fadt.c
+++ b/src/mainboard/technexion/tim5690/fadt.c
@@ -52,7 +52,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/technexion/tim8690/fadt.c b/src/mainboard/technexion/tim8690/fadt.c
index 3508a384db..2551247b4e 100644
--- a/src/mainboard/technexion/tim8690/fadt.c
+++ b/src/mainboard/technexion/tim8690/fadt.c
@@ -52,7 +52,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, OEM_ID, 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, ASLC, 4);
diff --git a/src/mainboard/via/epia-m/fadt.c b/src/mainboard/via/epia-m/fadt.c
index d1af915d7b..b0d75f8843 100644
--- a/src/mainboard/via/epia-m/fadt.c
+++ b/src/mainboard/via/epia-m/fadt.c
@@ -31,7 +31,7 @@ void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs,void *dsdt){
 	memset((void *)fadt,0,sizeof(acpi_fadt_t));
 	memcpy(header->signature,"FACP",4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id,OEM_ID,6);
 	memcpy(header->oem_table_id,"COREBOOT",8);
 	memcpy(header->asl_compiler_id,ASLC,4);
diff --git a/src/mainboard/via/epia-m700/fadt.c b/src/mainboard/via/epia-m700/fadt.c
index 062edff6f7..7ba1040ae8 100644
--- a/src/mainboard/via/epia-m700/fadt.c
+++ b/src/mainboard/via/epia-m700/fadt.c
@@ -30,7 +30,7 @@ void acpi_create_fadt(acpi_fadt_t *fadt, acpi_facs_t *facs, void *dsdt)
 	memset((void *)fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, "VX800 ", 6);
 	memcpy(header->oem_table_id, "LNXBACPI", 8);
 	memcpy(header->asl_compiler_id, "LXB", 8);
diff --git a/src/mainboard/via/epia-n/fadt.c b/src/mainboard/via/epia-n/fadt.c
index 29864a9eca..a37e606a96 100644
--- a/src/mainboard/via/epia-n/fadt.c
+++ b/src/mainboard/via/epia-n/fadt.c
@@ -33,7 +33,7 @@ void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs,void *dsdt){
 	memset((void *)fadt,0,sizeof(acpi_fadt_t));
 	memcpy(header->signature,"FACP",4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id,OEM_ID,6);
 	memcpy(header->oem_table_id,"COREBOOT",8);
 	memcpy(header->asl_compiler_id,ASLC,4);
diff --git a/src/mainboard/via/vt8454c/fadt.c b/src/mainboard/via/vt8454c/fadt.c
index 3954974075..0b720b5ba7 100644
--- a/src/mainboard/via/vt8454c/fadt.c
+++ b/src/mainboard/via/vt8454c/fadt.c
@@ -29,7 +29,7 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memset((void *) fadt, 0, sizeof(acpi_fadt_t));
 	memcpy(header->signature, "FACP", 4);
 	header->length = 244;
-	header->revision = 1;
+	header->revision = 3;
 	memcpy(header->oem_id, "CX700 ", 6);
 	memcpy(header->oem_table_id, "COREBOOT", 8);
 	memcpy(header->asl_compiler_id, "CORE", 4);
diff --git a/src/southbridge/nvidia/ck804/ck804_fadt.c b/src/southbridge/nvidia/ck804/ck804_fadt.c
index 205f1f0550..a315a32b96 100644
--- a/src/southbridge/nvidia/ck804/ck804_fadt.c
+++ b/src/southbridge/nvidia/ck804/ck804_fadt.c
@@ -20,10 +20,11 @@ void acpi_create_fadt(acpi_fadt_t * fadt, acpi_facs_t * facs, void *dsdt)
 	memcpy(header->signature, "FACP", 4);
 #ifdef LONG_FADT
 	header->length = 244;
+	header->revision = 3;
 #else
 	header->length = 0x74;
-#endif
 	header->revision = 1;
+#endif
 	memcpy(header->oem_id, "CORE  ", 6);
 	memcpy(header->oem_table_id, "CB-FADT ", 8);
 	memcpy(header->asl_compiler_id, "IASL", 4);