diff --git a/src/arch/i386/Makefile.pcbios b/src/arch/i386/Makefile.pcbios
index b1854181..d4044567 100644
--- a/src/arch/i386/Makefile.pcbios
+++ b/src/arch/i386/Makefile.pcbios
@@ -45,6 +45,12 @@ NON_AUTO_MEDIA	+= liso
 	$(QM)$(ECHO) "  [GENLISO] $@"
 	$(Q)bash util/genliso $@ $<
 
+# rule to make a syslinux floppy image (mountable, bootable)
+NON_AUTO_MEDIA	+= sdsk
+%sdsk:	%lkrn util/gensdsk
+	$(QM)$(ECHO) "  [GENSDSK] $@"
+	$(Q)bash util/gensdsk $@ $<
+
 # Special target for building Master Boot Record binary
 $(BIN)/mbr.bin : $(BIN)/mbr.o
 	$(QM)$(ECHO) "  [OBJCOPY] $@"
diff --git a/src/util/genliso b/src/util/genliso
index 0a67eb3c..17823841 100755
--- a/src/util/genliso
+++ b/src/util/genliso
@@ -2,24 +2,18 @@
 #
 # Generate a legacy floppy emulation ISO boot image
 #
-# genliso foo.liso foo.lkrn
+# genliso foo.liso foo.lkrn bar.lkrn ...
 #
-# the ISO image is the first argument so that a list of .lkrn images
-# to include can be specified
-#
-case $0 in
-*genliso)
-	;;
-*genfdimg)
-	genfdimg=1
-	;;
-esac
+# The .liso image filename is the first argument followed by
+#   a list of .lkrn images  include in .liso image
+
 case $# in
 0|1)
 	echo Usage: $0 foo.liso foo.lkrn ...
 	exit 1
 	;;
 esac
+
 case "`mtools -V`" in
 Mtools\ version\ 3.9.9*|Mtools\ version\ 3.9.1[0-9]*|Mtools\ version\ 4.*)
 	;;
@@ -28,25 +22,23 @@ Mtools\ version\ 3.9.9*|Mtools\ version\ 3.9.1[0-9]*|Mtools\ version\ 4.*)
 	exit 1
 	;;
 esac
+
 out=$1
 shift
+
 dir=bin/liso.dir
 mkdir -p $dir
-case "$genfdimg" in
-1)
-	img=$out
-	;;
-*)
-	img=$dir/boot.img
-	;;
-esac
+
+img=$dir/boot.img
 mformat -f 1440 -C -i $img ::
+
 cfg=bin/syslinux.cfg
 cat > $cfg <<EOF
 # These default options can be changed in the genliso script
-SAY Etherboot ISO boot image generated by genliso
+SAY gPXE ISO boot image generated by genliso
 TIMEOUT 30
 EOF
+
 first=
 for f
 do
@@ -70,16 +62,14 @@ do
 	echo "" KERNEL $g
 	mcopy -m -i $img $f ::$g
 done >> $cfg
+
 mcopy -i $img $cfg ::syslinux.cfg
+
 if ! syslinux $img
 then
 	exit 1
 fi
-case "$genfdimg" in
-1)
-	;;
-*)
-	mkisofs -o $out -c boot.cat -b boot.img $dir
-	;;
-esac
+
+mkisofs -o $out -c boot.cat -b boot.img $dir
+
 rm -fr $dir
diff --git a/src/util/gensdsk b/src/util/gensdsk
new file mode 100644
index 00000000..68c339c2
--- /dev/null
+++ b/src/util/gensdsk
@@ -0,0 +1,66 @@
+#!/bin/bash
+#
+# Generate a syslinux floppy that loads a gPXE image
+#
+# gensdsk foo.sdsk foo.lkrn
+#
+# the floppy image is the first argument
+#   followed by list of .lkrn images
+#
+
+case $# in
+0|1)
+	echo Usage: $0 foo.sdsk foo.lkrn ...
+	exit 1
+	;;
+esac
+case "`mtools -V`" in
+Mtools\ version\ 3.9.9*|Mtools\ version\ 3.9.1[0-9]*|Mtools\ version\ 4.*)
+	;;
+*)
+	echo Mtools version 3.9.9 or later is required
+	exit 1
+	;;
+esac
+img=$1
+shift
+dir=bin/sdsk.dir
+mkdir -p $dir
+
+mformat -f 1440 -C -i $img ::
+cfg=bin/syslinux.cfg
+cat > $cfg <<EOF
+
+# These default options can be changed in the gensdsk script
+TIMEOUT 30
+EOF
+first=
+for f
+do
+	if [ ! -r $f ]
+	then
+		echo $f does not exist, skipping 1>&2
+		continue
+	fi
+	# shorten name for 8.3 filesystem
+	b=$(basename $f)
+	g=${b%.lkrn}
+	g=${g//[^a-z0-9]}
+	g=${g:0:8}.krn
+	case "$first" in
+	"")
+		echo DEFAULT $g
+		;;
+	esac
+	first=$g
+	echo LABEL $b
+	echo "" KERNEL $g
+	mcopy -m -i $img $f ::$g
+done >> $cfg
+mcopy -i $img $cfg ::syslinux.cfg
+if ! syslinux $img
+then
+	exit 1
+fi
+
+rm -fr $dir