--- /tmp/avrdude-5.10/avrdude.conf.in	2011-01-31 22:40:13.496017390 +0100
+++ avrdude-5.10/avrdude.conf.in	2011-01-31 22:41:05.824017388 +0100
@@ -318,8 +318,8 @@
   id    = "gpio";
   desc  = "Use gpio_dev to bitbang GPIO lines";
   type  = gpio;
-  reset = 0;
-  sck   = 3;
+  reset = ~0;
+  sck   = ~3;
   mosi  = 1;
   miso  = 2;  
 ;