1. 11 MANAGING DEVICES AND PERIPHERALS Chapter 4

2. Chapter 4: Managing Devices and Peripherals2 CHAPTER OVERVIEW  Implement, manage, and troubleshoot input and output (I/O) devices  Manage and troubleshoot drivers and driver signing  Configure and monitor multiprocessor computers  Configure Advanced Configuration and Power Interface (ACPI)  Implement, manage, and troubleshoot input and output (I/O) devices  Manage and troubleshoot drivers and driver signing  Configure and monitor multiprocessor computers  Configure Advanced Configuration and Power Interface (ACPI)

3. Chapter 4: Managing Devices and Peripherals3 AUTOMATIC HARDWARE INSTALLATION

4. Chapter 4: Managing Devices and Peripherals4 AUTOMATIC HARDWARE INSTALLATION (CONT.)

5. Chapter 4: Managing Devices and Peripherals5 MANUAL HARDWARE INSTALLATION  Legacy or non–Plug and Play hardware  Manually configure the I/O port, IRQ, and DMA  Use manufacturer’s installation disk  Legacy or non–Plug and Play hardware  Manually configure the I/O port, IRQ, and DMA  Use manufacturer’s installation disk

6. Chapter 4: Managing Devices and Peripherals6 LISTING AVAILABLE RESOURCES

7. Chapter 4: Managing Devices and Peripherals7 MANUALLY CONFIGURING RESOURCES

8. Chapter 4: Managing Devices and Peripherals8 DEVICE MANAGER

9. Chapter 4: Managing Devices and Peripherals9 DEVICE MANAGER STATUS ICONS

10. Chapter 4: Managing Devices and Peripherals10 HARDWARE PROFILES

11. Chapter 4: Managing Devices and Peripherals11 HARDWARE PROFILES (CONT.)

12. Chapter 4: Managing Devices and Peripherals12 MANAGING AND TROUBLESHOOTING DEVICES  Windows XP usually manages devices automatically.  Update driver/rollback driver.  Verify resource settings on manually configured devices.  Hardware troubleshooters.  Windows XP usually manages devices automatically.  Update driver/rollback driver.  Verify resource settings on manually configured devices.  Hardware troubleshooters.

13. Chapter 4: Managing Devices and Peripherals13 UPDATING DEVICE DRIVERS

14. Chapter 4: Managing Devices and Peripherals14 DEVICE DRIVER ROLLBACK  Windows XP retains one previous version of each updated driver.  Roll Back Driver restores the previously installed driver version.  Roll Back Driver cannot restore drivers earlier than the previous version.  Windows XP retains one previous version of each updated driver.  Roll Back Driver restores the previously installed driver version.  Roll Back Driver cannot restore drivers earlier than the previous version.

15. Chapter 4: Managing Devices and Peripherals15 MANAGING DEVICE DRIVER SIGNING  Device drivers approved by WHQL are digitally signed.  Windows XP can be configured to not install unsigned drivers.  Device drivers approved by WHQL are digitally signed.  Windows XP can be configured to not install unsigned drivers.

16. Chapter 4: Managing Devices and Peripherals16 CONFIGURING MULTIPROCESSOR SUPPORT  Windows XP configures multiprocessor support automatically.  Do not attempt to manually configure the hardware abstraction layer (HAL).  Windows XP configures multiprocessor support automatically.  Do not attempt to manually configure the hardware abstraction layer (HAL).

17. Chapter 4: Managing Devices and Peripherals17 MANAGING ACPI SUPPORT  Configured during installation.  Press F5 to choose an alternative HAL; press F7 to force a non-ACPI HAL.  Do not change the HAL after installation.  Configured during installation.  Press F5 to choose an alternative HAL; press F7 to force a non-ACPI HAL.  Do not change the HAL after installation.

18. Chapter 4: Managing Devices and Peripherals18 MANAGING ACPI SUPPORT (CONT.)

19. Chapter 4: Managing Devices and Peripherals19 DISCUSSION: HARDWARE INSTALLATION

20. Chapter 4: Managing Devices and Peripherals20 SUMMARY  Windows XP can manage hardware automatically using ACPI and Plug and Play.  Hardware profiles allow multiple hardware configurations.  Windows XP can be configured to prevent installation of unsigned drivers.  Multiple CPU support is automatic in Windows XP.  HALs must be chosen during installation.  Windows XP can manage hardware automatically using ACPI and Plug and Play.  Hardware profiles allow multiple hardware configurations.  Windows XP can be configured to prevent installation of unsigned drivers.  Multiple CPU support is automatic in Windows XP.  HALs must be chosen during installation.