View full size image. Measured by surface area, the Caspian Sea is the world's largest inland water body. The sea covers roughly 143,200 square miles (371,000 square kilometers) and borders five countries: Iran, Russia, Kazakhstan, Turkmenistan and Azerbaijan.
A logical device driver is a high level abstraction of how a device behaves. A physical device driver is a driver for a specific piece of hardware. The logical device driver talks to the physical device driver for you to keep you abstracted from the underlying hardware. For example, there are many different types of printers, and they typically come with their own drivers.
Devices > Network > LSI Page 1 > FC929X Fibre Channel DEV_0626. A device driver is the interface software that allows WindowsÂ® to communicate with the network hardware. If the network device seems very slow or is just not working correctly then it is likely that the driver is a default generic driver, is old or is broken.