DIYEFI.org Forum

Sorry don't have it anymore, but if you follow instructions I posted you end up with identical file. Since error you get is same what happens when booting unmodified firmware you probably skipped part where ascii string "506E" is changed to "XXXX" and "515E" to "5...

# Done. Enjoy your new PIX-OS 8.0(4) image without checks for image validity. This is so awesome. I found your description and tried it myself - however, my pix does fail on load: tftp pix804.bin.hacked@x.x.x.x............................................................ Received 7538688 bytes Cisco...