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Xtreme firmware 4.2A and 4.2B for TS-H943 Xbox 360
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FirmGuard, Dual Speed, Media Stealth, One Firmware, Xbox 360 backup and extraction firmware modification!


Features
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(v4.2)  Security Sector read order now based on actual PFI from disk resulting in faster better booting for backups.


(v4.1)  Improved FirmGuard.
(v4.0)  MS28 core firmware. Also better and faster media detection.
(v4.0)  FirmGuard added. On by default. Firmware cannot be Read/Written by 360 console. Can ONLY be turned off (Read/Write enabled) via Enable0800 mode.
(v4.0)  4.0A firmware. 4.0A is default Fast Read Speed mode. Quite/Slow Read mode for backups activated via any Xbox 360/Xbox 1 Original game disk.
(v4.0)  4.0B firmware. 4.0B is default Quiet/Slow Read Speed mode. Fast Read mode for backups activated via any Xbox 360/Xbox 1 Original game disk.

(v3.3)	Dual Read Speed mode (Quite/Slow Read mode for backups activated via any Xbox 360/Xbox 1 Original game disk.) 
(v3.2)	Improved Media speed patch, forced full speed on all media types!
(v3.1)	Added Booktype overwrite patch (bitsetting to Dvdrom no longer required)
(v3.1)	Added Media speed patch (drive treats backup disc speed rating same as original)
(v3.1)	Fixed DVD Movie backup/Xbox 1 backup read bug.
(v3.0)	Stealth Media implemeted into firmware. Backups now appear exactly as original disk regardless of which disk check command used by Xbox 360
(v3.0)	Enable0800 mode supports extraction of raw PFI (Physical Format Information) and raw DMI (Disk Manufacturing Information)
(v3.0)	Support for loading of extracted PFI and DMI from disk 
(v3.0)	Non-Stealth Backups automatically enhanced with embeded PFI for Xbox 360 and Xbox 1 
(v3.0)	Included new Video.iso for Xbox 360 and Xbox 1 backups, now the same as originals
(v3.0)	Security placeholders/bad sectors for 360 backups are outside both valid psn ranges so they cannot be read/checked by 360 host
(v2.0)	Extraction part of firmware enabled with Enable0800 DVD. ISO included.
(v2.0)	In Enable0800 mode, allows drive to function natively under Windows without any hardware conversion/adaptors
(v1.0)	Boots all Xtreme Xbox 360 backups
(v1.0)	Boots all Xtreme Xbox 1 backups
(v1.0)	Boots all Xbox 360 originals
(v1.0)	Boots all Xbox 1 originals on Xbox 360

Use on Xbox Live at own risk