diff --git a/pygoscelis-config b/pygoscelis-config
index bf8bc56..58c4a53 100644
--- a/pygoscelis-config
+++ b/pygoscelis-config
@@ -602,10 +602,11 @@ CONFIG_FRAME_VECTOR=y
 CONFIG_ARCH_USES_HIGH_VMA_FLAGS=y
 CONFIG_ARCH_HAS_PKEYS=y
 # CONFIG_PERCPU_STATS is not set
-# CONFIG_X86_PMEM_LEGACY is not set
+CONFIG_X86_PMEM_LEGACY_DEVICE=y
+CONFIG_X86_PMEM_LEGACY=y
 CONFIG_X86_CHECK_BIOS_CORRUPTION=y
 CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y
-CONFIG_X86_RESERVE_LOW=64
+CONFIG_X86_RESERVE_LOW=640
 CONFIG_MTRR=y
 CONFIG_MTRR_SANITIZER=y
 CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=0
@@ -4513,7 +4514,7 @@ CONFIG_STACK_VALIDATION=y
 # CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE=0x1
-CONFIG_MAGIC_SYSRQ_SERIAL=y
+# CONFIG_MAGIC_SYSRQ_SERIAL is not set
 CONFIG_DEBUG_KERNEL=y
 
 #
@@ -4707,7 +4708,7 @@ CONFIG_DEBUG_BOOT_PARAMS=y
 # CONFIG_CPA_DEBUG is not set
 CONFIG_OPTIMIZE_INLINING=y
 # CONFIG_DEBUG_ENTRY is not set
-# CONFIG_DEBUG_NMI_SELFTEST is not set
+CONFIG_DEBUG_NMI_SELFTEST=y
 # CONFIG_X86_DEBUG_FPU is not set
 # CONFIG_PUNIT_ATOM_DEBUG is not set