Part II. Device Control From Process Space
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# Device Control From Process Space

Chapter 4, “User-Level Access to Devices”
How a user-level process can access and control devices on the VME and EISA buses.

Chapter 5, “User-Level Access to SCSI Devices”
How a user-level process can execute commands and transfer data to a SCSI device.

Chapter 6, “Control of External Interrupts”
How a user-level process creates or responds to external interrupt signals in the Challenge and Power Challenge systems.

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Chapter 3. Device Control Software |  | Chapter 4. User-Level Access to Devices