Trying to format a partition on a USB drive

So I got this 2GB USB flash drive as a promo. However, they put in a partition that uses about 140MB and is filled with promotional material that I’m not interested in. This partition shows up as a CD when the drive is plugged in and it’s bugging me, however I haven’t been able to format it with the usual formating utilities.
Does anybody know of a workaround to this? Even just getting rid of it that it won’t automatically mount would be enough, I don’t really need the space, but regaining those 140MB would be a bonus.
Any help would be much appreciated.
Answer #1
cant u just delete it all by ctrl+A and then the delete button?? most of it will go that way..
Answer #2
Use Acronis Disk Director Suite..Delete the partition and add the free space to the main partition…
Answer #3
Nope, none of those methods work.
A quick google search turned up this quote from a USB promo company:
CD-style Content Protection
Your USB Flash Drives are configured and your date files are preloaded in the CD partition of the drives at our production facility. Content residing in CD partition behaves exactly the same as that in a CD Disc. Content is read-only, cannot be modified and survive from accidental erasure and format.
as well as this from another company doing the same thing:
If you use this function you can't use the diskmanager software of USB drive and can't delete the read-only copy file by yourself. Factory has professional low level format tool to format read-only copy file.
I guess what I’m asking is if anybody has such a “professional low level format tool”. Acronis doesn’t cut it, neither does Disk Utility on my Mac.