diff --git a/mainboards/intel/hw/flash.config b/mainboards/intel/hw/flash.config
index 844aad9..cd82d50 100644
--- a/mainboards/intel/hw/flash.config
+++ b/mainboards/intel/hw/flash.config
@@ -292,8 +292,9 @@ CONFIG_ARCH_SPARSEMEM_DEFAULT=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000
 # CONFIG_X86_PMEM_LEGACY is not set
-# CONFIG_X86_CHECK_BIOS_CORRUPTION is not set
-CONFIG_X86_RESERVE_LOW=64
+CONFIG_X86_CHECK_BIOS_CORRUPTION=y
+CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y
+CONFIG_X86_RESERVE_LOW=640
 # CONFIG_MTRR is not set
 CONFIG_ARCH_RANDOM=y
 # CONFIG_X86_SMAP is not set
@@ -724,7 +725,8 @@ CONFIG_WIRELESS=y
 CONFIG_MAC80211_STA_HASH_MAX_SIZE=0
 # CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
-# CONFIG_NET_9P is not set
+CONFIG_NET_9P=y
+# CONFIG_NET_9P_DEBUG is not set
 # CONFIG_CAIF is not set
 # CONFIG_CEPH_LIB is not set
 # CONFIG_NFC is not set
@@ -1839,6 +1841,7 @@ CONFIG_FS_MBCACHE=y
 # CONFIG_NILFS2_FS is not set
 # CONFIG_F2FS_FS is not set
 # CONFIG_FS_DAX is not set
+CONFIG_FS_POSIX_ACL=y
 # CONFIG_EXPORTFS_BLOCK_OPS is not set
 CONFIG_FILE_LOCKING=y
 CONFIG_MANDATORY_FILE_LOCKING=y
@@ -1862,7 +1865,9 @@ CONFIG_MANDATORY_FILE_LOCKING=y
 #
 # CD-ROM/DVD Filesystems
 #
-# CONFIG_ISO9660_FS is not set
+CONFIG_ISO9660_FS=y
+CONFIG_JOLIET=y
+CONFIG_ZISOFS=y
 # CONFIG_UDF_FS is not set
 # end of CD-ROM/DVD Filesystems
 
@@ -1938,6 +1943,9 @@ CONFIG_NETWORK_FILESYSTEMS=y
 # CONFIG_CIFS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
+CONFIG_9P_FS=y
+CONFIG_9P_FS_POSIX_ACL=y
+# CONFIG_9P_FS_SECURITY is not set
 CONFIG_NLS=y
 CONFIG_NLS_DEFAULT="iso8859-1"
 CONFIG_NLS_CODEPAGE_437=y