Acer Aspire 5520 Service Manual page 52

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