--- a/etc/config.opts
+++ b/etc/config.opts
@@ -17,14 +17,13 @@
 #
 
 include port 0x100-0x4ff, port 0x800-0x8ff, port 0xc00-0xcff
-include memory 0xc0000-0xfffff
-include memory 0xa0000000-0xa0ffffff, memory 0x60000000-0x60ffffff
+include memory 0x40004000-0x40007fff
 
 # High port numbers do not always work...
 # include port 0x1000-0x17ff
 
 # Extra port range for IBM Token Ring
-include port 0xa00-0xaff
+# include port 0xa00-0xaff
 
 # Resources we should not use, even if they appear to be available