Mavericks just bricked my Macbook Pro

Bought a good used MBP mid 2010, MC374LL/A, and performed a Mavericks upgrade. Installation went well and finished sucessfully. This is the second install of this type I've done with this Mavericks download, so I know its good. There was one update for iBooks and I let that finish then turned off the machine.

Later when re-starting, I get 9 beeps - 3 short, 3 long, 3 short which is the code for firmware corruption. I've made a firmware restoration cd following instructions at http://support.apple.com/kb/HT2213 but I can't get it to work.

What should I do?