[mythtv-users] HVR4000 firmware on Ubuntu 12.04 (Precise) 64bit

[plainface boy]

Hi - I've upgraded to Ubuntu 12.04 (to let me use the later kernel which will hopefuilly fix the bugs in swithcing channels with this card), but not sure how to install the firmware. 
I was using 1.26.90.0 as at http://www.linuxtv.org/wiki/index.php/Hauppauge_WinTV-HVR-4000#Firmware_v1.26.90.0 which worked fine on Lucid (10.04), and Mythtv 0.25.
I tried installing using the same file etc but didn't work - realised then I should probably be using the 64 bit version. Assumed I would need different values for the 'skip' and 'count' but can't work out what they should be form the file  - from looking at the hcwbda.sys file, it is obviosuly different and the start/end strings (discussed in http://www.mythtvtalk.com/firmware-update-hauppauge-nova-hd-s2-hvr-4000-a-12058/) are in different place (and the end string first and vice versa etc).
I'm hoping someone might be able to help - I've seen links where people have reported it working 64 but Ubuntu - to save me messing about too mucb with trial and error!
Thanks.
  		 	   		  
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