Acer Aspire 5520 Series, Руководство по обслуживанию

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59 Chapter 2
USB Self-Healing
The USB Self-Healing screen displays all USB self-healing options and settings.
Integrated Devices
The Integrated Devices screen displays all options and settings for integrated devices.
Parameter Description Option
Self-Healing Enables, disables the USB self-healing
function. Disabled
or Enabled
OHCI Self-Healing:
(Open Host Controller Interface - supports USB 1.1 devices)
Duration of Port Reset in MS Sets the port reset duration.
Enter numeric value (Default:
15
)
Reset Recovery Time in MS Sets the recovery duration following a reset.
Enter numeric value (Default:
30
)
Device Power Good Time in MS Sets the interval between power on and
system availability following a reset.
Enter numeric value (Default:
100
)
Attach Signal Debounce in MS Sets the debounce interval after a USB
device is connected.
Enter numeric value (Default:
100
)
EHCI Self-Healing:
(Enhanced Host Controller Interface - supports USB 2.0 devices)
Duration of Port Reset in MS Sets the port reset duration.
Enter numeric value (Default:
20
)
Reset Recovery Time in MS Sets the recovery duration following a reset.
Enter numeric value (Default:
17
)
Device Power Good Time in MS Sets the interval between power on and
system availability following a reset.
Enter numeric value (Default:
100
)
Attach Signal Debounce in MS Sets the debounce interval after a USB
device is connected.
Enter numeric value (Default:
100
)
Parameter Description Option
USB Control Enables, disables USB controllers. USB1.1+USB2
, USB1.1 or
Disabled
USB2 Control Enables, disables USB2 controllers.
USB1.1+USB2
, USB1.1 or
Disabled
Legacy USB Support Enables, disables support for Legacy USB. Enabled
or Disabled
MAC LAN Enables, disables the MAC LAN device. Enabled
or Disabled
MAC Address Displays the system MAC address.
Azalia Codec Enables, disables the Azalia audio interface Enabled
or Disabled
SATA0 Mode Displays the available SATA0 modes. IDE
, RAID, AHCI, Linux AHCI or
Disabled
SATA Hotplug Enables, disables the SATA hotplug. When
enabled, the SATA controller is always on,
therefore consuming more power. Enabled
or Disabled
SMU Enables, disables the SMU (System
Management Unit) function Enabled
or Disabled
Software Based PMU FW
Loading Enables, disables firmware boot up from an
external flash drive containing SBIOS.
Enabled
or Disabled
Interrupt Mode Selects the interrupt mode. APIC
or PIC
PCI Express MSI Enables, disables the PCI Express MSI
(Message Signaled Interrupt) function. Enabled
or Disabled