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Is there any difference between physical address and device address? Otherwise Device address is a part of physical address?

user3867504
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  • The "device address" is the bus address. – CL. Jul 23 '14 at 14:25
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    possible duplicate of [difference between the physical address,device address and virtiual address](http://stackoverflow.com/questions/24903841/difference-between-the-physical-address-device-address-and-virtiual-address) – CL. Jul 23 '14 at 14:25
  • *"Is there any difference ..."* -- Yes. Not all physical addresses are device addresses. Devices address, depending on the processor architecture, could be memory mapped or I/O mapped (aka I/O port addresses). – sawdust Jul 23 '14 at 22:56

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