diff --git a/Targets/Bonito2fdev/Bonito/start.S b/Targets/Bonito2fdev/Bonito/start.S
index 0737c5ce..b0cc6292 100644
--- a/Targets/Bonito2fdev/Bonito/start.S
+++ b/Targets/Bonito2fdev/Bonito/start.S
@@ -1304,7 +1304,7 @@ END(hexserial)
 LEAF(tgt_putchar)
 	.set noat
 	move AT,ra
-#if  (PCI_IDSEL_VIA686B != 0)
+#if  ((PCI_IDSEL_VIA686B != 0)&& !defined(HAVE_NB_SERIAL))
 	la	v0, COM1_BASE_ADDR
 	bal 1f
 	nop
diff --git a/Targets/Bonito2fdev/Bonito/tgt_machdep.c b/Targets/Bonito2fdev/Bonito/tgt_machdep.c
index d57c7c3c..cd05b11f 100644
--- a/Targets/Bonito2fdev/Bonito/tgt_machdep.c
+++ b/Targets/Bonito2fdev/Bonito/tgt_machdep.c
@@ -189,11 +189,13 @@ void
 initmips(unsigned int memsz)
 {
 
+#ifdef DEVBD2F_SM502
 {
 /*set lio bus to 16 bit*/
 volatile int *p=0xbfe00108;
 *p=((*p)&~(0x1f<<8))|(0x8<<8) |(1<<13);
 }
+#endif
 
 /*enable float*/
 memsz=512;
diff --git a/Targets/Bonito2fdev/conf/Bonito.2feva b/Targets/Bonito2fdev/conf/Bonito.2feva
index 7da5631e..8bf6fa28 100644
--- a/Targets/Bonito2fdev/conf/Bonito.2feva
+++ b/Targets/Bonito2fdev/conf/Bonito.2feva
@@ -157,12 +157,14 @@ pseudo-device	loop	1	# network loopback
 ide_cd* 	at pciide? channel ? drive ? flags 0x0001
 select 		iso9660
 option IDECD 
-#option HAVE_NB_SERIAL
-option USE_ENVMAC
+option HAVE_NB_SERIAL
+#option USE_ENVMAC
 #option LOOKLIKE_PC
 #select cmd_lwdhcp
 #select cmd_bootp
-#option FOR_GXEMUL
+option FOR_GXEMUL
 select fatfs
 option FLOATINGPT
 option PCI_IDSEL_VIA686B=6
+option COM3_BASE_ADDR=0xbff003f8
+option WDC_NORESET
diff --git a/zloader.2feva b/zloader.2feva
new file mode 120000
index 00000000..a8f6aad1
--- /dev/null
+++ b/zloader.2feva
@@ -0,0 +1 @@
+zloader
\ No newline at end of file