diff --git a/client/cfg/rrbin.cfg b/client/cfg/rrbin.cfg
index ce69c62..24f09c8 100644
--- a/client/cfg/rrbin.cfg
+++ b/client/cfg/rrbin.cfg
@@ -6,7 +6,7 @@ MEMORY {
     IP65ZP: start = $5f, size = $10, type = rw, define = yes;
     HEADER: start = $8000, size = $16, file = %O;
     ROM: start = $8016, size = $1F00, define = yes, file = %O;
-    RAM: start = $6000, size = $2000, define = yes;
+    RAM: start = $7000, size = $1000, define = yes;
 
   
 }
diff --git a/client/clients/rrnetboot.s b/client/clients/rrnetboot.s
index 91b4ad1..9081dee 100644
--- a/client/clients/rrnetboot.s
+++ b/client/clients/rrnetboot.s
@@ -32,12 +32,13 @@
   .import  __DATA_RUN__
   .import  __DATA_SIZE__
 
+  tftp_dir_buffer = $6000
 	.bss
   
 nb65_param_buffer: .res $10  
 
 bin_file_jmp: .res 3
-tftp_dir_buffer: .res 2000
+
 
 
 
@@ -186,7 +187,11 @@ init:
   jmp bad_boot
   
 @file_downloaded_ok:  
-
+  
+  ;remove the IP timer code from IRQ chain
+  ldy #NB65_UNHOOK_VBL_IRQ
+  jsr NB65_DISPATCH_VECTOR
+  
   ;check whether the file we just downloaded was a BASIC prg
   lda nb65_param_buffer+NB65_TFTP_POINTER
   cmp #01