diff --git a/cfg/lynx-bll.cfg b/cfg/lynx-bll.cfg
index fbf64e8e9..adf1e7ab6 100644
--- a/cfg/lynx-bll.cfg
+++ b/cfg/lynx-bll.cfg
@@ -1,8 +1,8 @@
 SYMBOLS {
     __STACKSIZE__:        type = weak, value = $0800; # 2k stack
     __STARTOFDIRECTORY__: type = weak, value = $00CB; # start just after loader
-    __BANK0BLOCKSIZE__:   type = weak, value = 1024; # bank 0 cart block size
-    __BANK1BLOCKSIZE__:   type = weak, value = 0; # bank 1 block size
+    __BANK0BLOCKSIZE__:   type = weak, value = $0400; # bank 0 cart block size
+    __BANK1BLOCKSIZE__:   type = weak, value = $0000; # bank 1 block size
     __BLLHDR__:           type = import;
 }
 MEMORY {
diff --git a/cfg/lynx-coll.cfg b/cfg/lynx-coll.cfg
index 2be172196..7c71993f8 100644
--- a/cfg/lynx-coll.cfg
+++ b/cfg/lynx-coll.cfg
@@ -1,8 +1,8 @@
 SYMBOLS {
     __STACKSIZE__:        type = weak, value = $0800; # 2k stack
     __STARTOFDIRECTORY__: type = weak, value = $00CB; # start just after loader
-    __BANK0BLOCKSIZE__:   type = weak, value = 1024; # bank 0 cart block size
-    __BANK1BLOCKSIZE__:   type = weak, value = 0; # bank 1 block size
+    __BANK0BLOCKSIZE__:   type = weak, value = $0400; # bank 0 cart block size
+    __BANK1BLOCKSIZE__:   type = weak, value = $0000; # bank 1 block size
     __EXEHDR__:           type = import;
     __BOOTLDR__:          type = import;
     __DEFDIR__:           type = import;
diff --git a/cfg/lynx-uploader.cfg b/cfg/lynx-uploader.cfg
index ba3c13dcf..476b3c5de 100644
--- a/cfg/lynx-uploader.cfg
+++ b/cfg/lynx-uploader.cfg
@@ -1,8 +1,8 @@
 SYMBOLS {
     __STACKSIZE__:        type = weak, value = $0800; # 2k stack
     __STARTOFDIRECTORY__: type = weak, value = $00CB; # start just after loader
-    __BANK0BLOCKSIZE__:   type = weak, value = 1024; # bank 0 cart block size
-    __BANK1BLOCKSIZE__:   type = weak, value = 0; # bank 1 block size
+    __BANK0BLOCKSIZE__:   type = weak, value = $0400; # bank 0 cart block size
+    __BANK1BLOCKSIZE__:   type = weak, value = $0000; # bank 1 block size
     __EXEHDR__:           type = import;
     __BOOTLDR__:          type = import;
     __DEFDIR__:           type = import;
diff --git a/cfg/lynx.cfg b/cfg/lynx.cfg
index adcf67a98..5c42654d7 100644
--- a/cfg/lynx.cfg
+++ b/cfg/lynx.cfg
@@ -1,8 +1,8 @@
 SYMBOLS {
     __STACKSIZE__:        type = weak, value = $0800; # 2k stack
     __STARTOFDIRECTORY__: type = weak, value = $00CB; # start just after loader
-    __BANK0BLOCKSIZE__:   type = weak, value = 512; # bank 0 cart block size
-    __BANK1BLOCKSIZE__:   type = weak, value = 0; # bank 1 block size
+    __BANK0BLOCKSIZE__:   type = weak, value = $0400; # bank 0 cart block size
+    __BANK1BLOCKSIZE__:   type = weak, value = $0000; # bank 1 block size
     __EXEHDR__:           type = import;
     __BOOTLDR__:          type = import;
     __DEFDIR__:           type = import;
@@ -43,4 +43,4 @@ FEATURES {
             count   = __INTERRUPTOR_COUNT__,
             segment = RODATA,
             import  = __CALLIRQ__;
-}
\ No newline at end of file
+}