I ordered a new TS-H943 from the link in the other thread about replacing broken drives.
It came in today. There was no Epoxy on the flash chip. I desoldered the flash chip and dumped the contents. it differs from my old drives dump
It does not contain a key at 401A like the public dump or at 4290 like the dump from my orginal drive.
(there was only a small difference between mine and public dump. I posted about it here. http://www.xboxhacker.net/index.php?option=com_smf&Itemid=33&topic=359.msg5625#msg5625
The front drive tray clip is a darker grey color. It looks like the color of the clip of the dev kit drives i have seen in pictures. it isn't the chrome like the one that came with my 360 drive. pictures of dev kit here http://theconsolewars.blogspot.com/2005/08/smartxx-xbox-360-dissection-mutilation.html
the drive in that beta dev kit was also a TS-943
Here is a link to download the dump of this ms07 version of the firmware.http://rapidshare.de/files/17780852/H943ms07.bin.html
Part No: X800473-003
Part No: X800473-016
I am about to solder a PLCC socket onto this new drive and put my old flash from my orginal drive in it to test in the 360. I think it will work i compared the Hardware between the drives and it all looks the same.
I will also test this drive with windows recognition with the orginal version ms07 flash on the drive. I also wish to test the drive with the ms07 in the xbox 360 and see if perhaps it is in a virgin state and will write its key to the drive if it is in such a state. this is just a theory but it is possible something like this happens. Like DirecTV/Dish Network smart cards have a virgin state but once inserted into a receiver it writes the receivers id to itself thus marrying the devices.
Peace. I hope this is of interest to you guys.