Dell optiplex 790 Owner's Manual page 59

System Configuration
SATA Operation
Drives
Smart Reporting
USB Configuration
• COM3
• COM4
NOTE: The operating system may allocate resources even
though the setting is disabled.
Allows you to configure the operating mode of the integrated
hard drive controller.
• AHCI = SATA is configured for AHCI mode
• ATA = SATA is configured for ATA mode
• Disabled = The SATA controller is hidden
Allows you to enable or disable the various on-board drives:
• SATA-0
• SATA-1
• SATA-2
• SATA-3
This field controls whether hard drive errors for integrated
drives are reported during system startup. This technology is
part of the SMART (Self Monitoring Analysis and Reporting
Technology) specification. This option is disabled by default.
This field configures the integrated USB controller. If Boot
Support is enabled, the system is allowed to boot any type of
USB Mass Storage Devices (HDD, memory key, floppy). USB-
aware OS always see USB Mass Storage devices irrespective
of this setting, provided the port is enabled.
If USB port is enabled, device attached to this port is enabled
and available for OS.
If USB port is disabled, the OS cannot see any device attached
to this port.
• Enable USB Controller
• Disable USB Mass Storage Dev
• Disable USB Controller
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