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Device I/O monitoring mechanism for a computer operating system

  • US 5,809,303 A
  • Filed: 10/18/1995
  • Issued: 09/15/1998
  • Est. Priority Date: 10/18/1995
  • Status: Expired due to Term
First Claim
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1. A peripheral device I/O monitor for a computer having an operating system resident thereon with a device statistics presentation mechanism and including a hardware abstraction layer for interfacing to an associated peripheral device and a device statistics presentation mechanism, said peripheral device including a device driver operatively responsive to said hardware abstraction layer of said computer operating system, said device I/O monitor comprising:

  • a pseudo-device driver operatively interposed between said hardware abstraction layer of said computer operating system and said device driver, said pseudo-device driver presenting corresponding first and second pseudo-device driver hardware abstraction layers, said first pseudo-device driver hardware abstraction layer being coupled to said computer operating system and said second pseudo-device driver hardware abstraction layer being coupled to said device driver.

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