diff --git a/pachyrhynchus-config b/pachyrhynchus-config
index edb8ae4..37b0123 100644
--- a/pachyrhynchus-config
+++ b/pachyrhynchus-config
@@ -344,11 +344,14 @@ CONFIG_SCHED_OMIT_FRAME_POINTER=y
 # CONFIG_HYPERVISOR_GUEST is not set
 # CONFIG_MK8 is not set
 # CONFIG_MPSC is not set
-# CONFIG_MCORE2 is not set
+CONFIG_MCORE2=y
 # CONFIG_MATOM is not set
-CONFIG_GENERIC_CPU=y
+# CONFIG_GENERIC_CPU is not set
 CONFIG_X86_INTERNODE_CACHE_SHIFT=6
 CONFIG_X86_L1_CACHE_SHIFT=6
+CONFIG_X86_INTEL_USERCOPY=y
+CONFIG_X86_USE_PPRO_CHECKSUM=y
+CONFIG_X86_P6_NOP=y
 CONFIG_X86_TSC=y
 CONFIG_X86_CMPXCHG64=y
 CONFIG_X86_CMOV=y