ASPI driver (Advanced SCSI Programming Interface driver)
In a personal computer, an ASPI driver is a software driver or
program that uses the Advanced SCSI Programming Interface (ASPI) protocol to
interface with the Small Computer System Interface (SCSI) bus. The ASPI
interface specification was developed by Adaptec as a means of sending commands to a SCSI host
adapter. ASPI provides an abstraction
layer that hides irrelevant details about the host adapter from the programmer and standardizes the
interface to simplify application development.
Common Access Method (CAM), the main alternative to ASPI, performs the same basic tasks, but in
a different and slightly more complicated way. CAM is not as widely used. ASPI is compatible with
most operating systems, and has become the standard for enabling the development of applications
and drivers that will work with all compatible SCSI adapters.
This was last updated in June 2007
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