diff --git a/obj/disk525a.po b/obj/disk525a.po
new file mode 100644
index 0000000..ba4768d
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diff --git a/obj/disk525b.po b/obj/disk525b.po
new file mode 100644
index 0000000..e27e752
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diff --git a/obj/disk525c.po b/obj/disk525c.po
new file mode 100644
index 0000000..09581ae
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diff --git a/obj/disk525d.po b/obj/disk525d.po
new file mode 100644
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diff --git a/src/cfgtoken.h b/src/cfgtoken.h
index ba6a469..e842b5d 100644
--- a/src/cfgtoken.h
+++ b/src/cfgtoken.h
@@ -1,7 +1,7 @@
 
 #define NEWCONFIG_MAGIC       0x0001434E // "NC\x01\x00"
 #define NEWCONFIG_EOF_MARKER  0x00464F45 // "EOF\x00"
-#define CFGTOKEN_REVISION     0x00015652 // "RV\xXX\x00"
+#define CFGTOKEN_REVISION     0x00005652 // "RV\xXX\x00"
 
 #define CFGTOKEN_MODE_VGA     0x0000564D // "MV\x00\x00" VGA
 #define CFGTOKEN_MODE_PCPI    0x00005A4D // "MZ\x00\x00" PCPI Applicard
@@ -38,8 +38,8 @@
 #define CFGTOKEN_WIFI_IP      0x04004957 // "WI\x00\xSS" WiFi IP
 #define CFGTOKEN_WIFI_NM      0x04004E57 // "WN\x00\xSS" WiFi Netmask
 
-#define CFGTOKEN_JD_HOST      0x0000484A // "JH\x00\x01" JetDirect Hostname
-#define CFGTOKEN_JD_PORT      0x0200444A // "JD\x00\x01" JetDirect Port
+#define CFGTOKEN_JD_HOST      0x0000484A // "JH\x00\xSS" JetDirect Hostname
+#define CFGTOKEN_JD_PORT      0x0200504A // "JP\x00\x02" JetDirect Port
 
 #define CFGTOKEN_FONT_00      0x00004656 // "VF\xXX\x00" Custom default font
 
diff --git a/src/loader.c b/src/loader.c
index 7b7c1b6..5121122 100644
--- a/src/loader.c
+++ b/src/loader.c
@@ -11,7 +11,7 @@ void main (void) {
 
     strcpy(filename, NEXTNAME);
 
-    if(get_ostype() >= 0x30) {
+    if(get_ostype() >= 0x31) {
         strcat(filename, ".ENH");
     } else {
         strcat(filename, ".BASE");