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Choosing a Device Driver Model
You can control a device connected to the EISA bus through a user-level device driver, a kernel-level device driver, or a kernel-level memory-mapping device driver.
The simplest way to access an EISA device is through a user-level driver that controls the device by directly interfacing with the EISA-bus adapter.
- When to Write a User-level Device Driver
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- When to Write a Kernel-level Device Driver
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- When to Write a Kernel-level Memory-mapping Device Driver
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