diff --git a/cpld/rtl/top.v b/cpld/rtl/top.v
index 3f4608b..be22c40 100644
--- a/cpld/rtl/top.v
+++ b/cpld/rtl/top.v
@@ -286,7 +286,7 @@ assign n_romcsb = 1'bz;
 assign n_wait = 1'bz;
 assign n_busrq = 1'bz;
 
-assign n_iorqge = (port_fffd || port_bffd || port_b3 || port_bb)? 1'b1 : 1'bz;
+assign n_iorqge = (port_fffd || port_bffd)? 1'b1 : 1'bz;
 
 assign d =
     ~n_rd && ~n_iorq && magic_port? magic_port_d :
diff --git a/out/cpld.pof b/out/cpld.pof
index 159a156..c4192dd 100644
Binary files a/out/cpld.pof and b/out/cpld.pof differ