diff --git a/src/northbridge/amd/agesa/family14/dimmSpd.c b/src/northbridge/amd/agesa/family14/dimmSpd.c
index ac6a38d355..e4d1eab2d8 100644
--- a/src/northbridge/amd/agesa/family14/dimmSpd.c
+++ b/src/northbridge/amd/agesa/family14/dimmSpd.c
@@ -40,7 +40,7 @@ AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINTN unused2, AGESA_READ_SPD_PAR
 	if (spdAddress == 0)
 		return AGESA_ERROR;
 
-	int err = smbus_readSpd(spdAddress, (void *) info->Buffer, 128);
+	int err = smbus_readSpd(spdAddress, (void *) info->Buffer, 256);
 	if (err)
 		return AGESA_ERROR;
 	return AGESA_SUCCESS;
diff --git a/src/northbridge/amd/agesa/family15tn/dimmSpd.c b/src/northbridge/amd/agesa/family15tn/dimmSpd.c
index 17e8aa8cca..6504d1475d 100644
--- a/src/northbridge/amd/agesa/family15tn/dimmSpd.c
+++ b/src/northbridge/amd/agesa/family15tn/dimmSpd.c
@@ -39,7 +39,7 @@ AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINTN unused2, AGESA_READ_SPD_PAR
 	if (spdAddress == 0)
 		return AGESA_ERROR;
 
-	int err = hudson_readSpd(spdAddress, (void *) info->Buffer, 128);
+	int err = hudson_readSpd(spdAddress, (void *) info->Buffer, 256);
 	if (err)
 		return AGESA_ERROR;
 	return AGESA_SUCCESS;
diff --git a/src/northbridge/amd/agesa/family16kb/dimmSpd.c b/src/northbridge/amd/agesa/family16kb/dimmSpd.c
index b0cac6f0e6..b20216f993 100644
--- a/src/northbridge/amd/agesa/family16kb/dimmSpd.c
+++ b/src/northbridge/amd/agesa/family16kb/dimmSpd.c
@@ -39,7 +39,7 @@ AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINTN unused2, AGESA_READ_SPD_PAR
 	if (spdAddress == 0)
 		return AGESA_ERROR;
 
-	int err = hudson_readSpd(spdAddress, (void *) info->Buffer, 128);
+	int err = hudson_readSpd(spdAddress, (void *) info->Buffer, 256);
 	if (err)
 		return AGESA_ERROR;
 	return AGESA_SUCCESS;