Index: head/sys/modules/Makefile
===================================================================
--- head/sys/modules/Makefile
+++ head/sys/modules/Makefile
@@ -550,6 +550,7 @@
 _agp=		agp
 _an=		an
 _aout=		aout
+_bios=		bios
 _bktr=		bktr
 _bxe=		bxe
 _cardbus=	cardbus
@@ -730,7 +731,6 @@
 .if ${MK_EISA} != "no"
 _ahb=		ahb
 .endif
-_bios=		bios
 _cm=		cm
 .if ${MK_SOURCELESS_UCODE} != "no"
 _ctau=		ctau
Index: head/sys/modules/bios/Makefile
===================================================================
--- head/sys/modules/bios/Makefile
+++ head/sys/modules/bios/Makefile
@@ -1,6 +1,10 @@
 # $FreeBSD$
 #
 
-SUBDIR=	smapi smbios vpd
+SUBDIR=	smbios vpd
+
+.if ${MACHINE_ARCH} == "i386"
+SUBDIR+=	smapi
+.endif
 
 .include <bsd.subdir.mk>