- SCSI Pass-Through Direct
Infobox Software
name = SPTD
developer =Duplex Secure, Ltd.
latest_release_version = 1.56
latest_release_date =11 March 2008
operating system = Windows 2000 or higher
license = Proprietary
website = [http://www.duplexsecure.com/en/home duplexsecure.com]SCSI Pass Through Direct (usually abbreviated as SPTD, filename "sptd.sys") is adevice driver developed by Duplex Secure Ltd. that provides a new method of access to storage devices. The SPTDAPI is not open to the public (ASPI fromAdaptec andSPTI (SCSI Pass-Through Interface) fromMicrosoft are documented alternatives). SPTD is used byDaemon Tools andAlcohol 120% . It is known to be incompatible with kernel-modedebugging includingWinDbg and Microsoft's other command line debuggers as well asSoftICE .Fact|date=December 2007ee also
*
ASPI
*Patin-Couffin External links
* [http://www.duplexsecure.com/ Duplex Secure home page]
* [http://msdn2.microsoft.com/library/ms804574.aspx SCSI Port I/O Control Codes]
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