[Bada Software and Hacking General] adfree:
http://forum.gsmhosting.com/vbb/f634/htc-desire-s-qhsusb_dload-driver-1436354/

Found this...

Here is also fsbl.mbn maybe not available... or...

But maybe if we can attach such S8600 we can see few infos...

Best Regards

Edit 1.

About QPST Version contain this eMMC...

4. RELEASE NOTES
...
10/27/11 QPST [B]2.7.378[/B]
1) Add support for QSC11x5 CDMA only (4073) and CDMA+GSM (4074).
2) Fix problem with eMMC Software Download not correctly patching addresses > 8 GB.

10/13/11 QPST 2.7.377
1) Fix crash when QPSTServer.config are NULs (bad format).
2) Add model ID 4072 = "APQ8064". Apps processor only, no service programming.
3) Change flash programmer name from nprg9615.hex to nprg9x15.hex.
4) Add emergency download support for user partitions.
5) Fix case where user partition download fails if the flash programmer is on a file share.
6) Fix error case when add port is used but no port is specified.
7) Fix case where restoring an EFS file doesn't work if the file was modified by QXDM.
8) In Service Programming BC SMS fix case where if user enters 32 as the service type it get written to NV as 4096.
9) Fix case where a phone will stay in "no phone" state if the phone takes > 20 seconds to reboot.
10) Take care of cases in eMMC Software Download where we try to lock the disk volume but the drive letter isn't available.
11) Fix "server busy" issue when a device connects but it's modem isn't running.
12) Insert more status message in Memory Debug app so that we can see why fast unframed dump failed.

8/17/11 QPST 2.7.375
1) Add support for MDM9615 (model 4070). Rename model 4068 to 7627A-ANDROID from SURF7627A.
Add model 4071 (7627A-WinMob). Add 1x/UMTS service programming to 4068 and 4071.
2) eMMC Software Download: Don't try to lock volume if drive letter not present.
Devices that use GPT will not mount and get a drive letter assigned.

7/22/11 QPST 2.7.374
1) Added missing file to installer to fix Service Programming problem in 2.7.373.
2) For eMMC Software Download, abort the download if a sparse="true" directive is present.
Sparse files cannot be downloaded with QPST, only with fastboot.
3) Began the process of moving QPST application and server settings from registry to
configuration files.
4) Added more error checking to EFS Explorer file drop code.

7/5/11 QPST 2.7.373
1) Add support for SURF8960 model ID 4069.
2) Fix issue with Port Enable/Disable for IP Ports.
3) NAND Software Download: Correct flash programmer descriptions for 7225A, 7625A, 7227A, and 7627A.
4) Roaming List Editor: Added two new bands LTE 24 and LTE 25.
5) eMMC Software Download:
- Fix problem where some file names print as "(null)".
- Add support for Meta Build contents.xml file ("Build Contents"). The contents file will provide the path for the
rawprogram and patch files, extra search paths, and names of flash programmer and boot image files.
- Ignore unexpected elements in schema.
- Support zeroout directive to zero parts of partitions.
- Allow usage by app of "orderly" as well as surprise removal storage devices.
- Add support for computations in the <patch> (CRC32 for GPT support), <program>, and <zeroout> directives.
6) EfsExplorer:
- Enable reset button in Efs Explorer even if target not in offline mode.
- More text description in Mode column for Efs Explorer
- Modify the list context menu of Efs-Explorer.
- If the proposed item file size copy is > 2048 bytes, warn the user and bail out.
...