> with "dump" I meant a true object dump like "hexdump -C run000001.mid". I produced a file with ADC0 and TDC0 
> banks (that's the example from the distribution under exampels/experiments/frontend.cxx), and I get
> 
> ....
> 00024220  01 00 00 00 41 44 43 30  04 00 08 00 eb 06 35 04  |....ADC0......5.|
> 00024230  31 09 4f 06 54 44 43 30  04 00 08 00 93 04 fb 07  |1.O.TDC0........|
> 00024240  5c 09 88 0b 01 00 00 00  01 00 00 00 2a 0b 31 5f  |\...........*.1_|
> 00024250  28 00 00 00 20 00 00 00  01 00 00 00 41 44 43 30  |(... .......ADC0|
> 00024260  04 00 08 00 c3 09 24 05  85 05 f3 06 54 44 43 30  |......$.....TDC0|
> 00024270  04 00 08 00 88 08 2d 03  3b 0d d6 02 01 00 00 00  |......-.;.......|
> 00024280  02 00 00 00 2a 0b 31 5f  28 00 00 00 20 00 00 00  |....*.1_(... ...|
> 00024290  01 00 00 00 41 44 43 30  04 00 08 00 a5 0a 69 09  |....ADC0......i.|
> 
> where you clearly see the ADC0 and TDC0 banks.
> 
> Stefan

So at least I learned something new. I tried it with the hexdump and the banks are not existent in the .mid file. I 
only have the ODB inside the file. The 7K difference in size is actually just about what I expect to be the data 
(1792 x 4 bytes)

Best, Ivo