Foxconn Z77A-S User manual - Page 35

USB Configuration, ► External SATA Appears when SATA Mode is set to [AHCI]

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BIOS SETUP ► Hot Plug (Appears when "SATA Mode" is set to [RAID]/[AHCI) The hot plug function allows for device detection without power being applied and ability to connect and disconnect devices without prior notification to the system. This item is used to enable or disable hot plug function for SATA hard disks when in RAID/AHCI mode. ► External SATA (Appears when "SATA Mode" is set to [AHCI]) This item is used to allow an outside the box connection of up to 2 meters (when using the cable defined in SATA-IO) or not. ► Spin up Device(Appears when "SATA Mode" is set to [AHCI]) This item is used to select if the SATA controller supports staggered spin-up on its ports, for use in balancing power spikes. This value is loaded by platform BIOS prior to OS initialization. USB Configuration Aptio Setup Utility - C opyright (C) 2011 American Megatrends, Inc. Advanced Legacy USB Configuration Legacy USB Support Legacy USB 3.0 Support XHCI Hand-off EHCI Hand-off [Enabled] [Enabled] [Enabled] [Enabled] Legacy USB hardware delays and time-outs: USB Transfer time-out [20 sec] Device reset time-out [20 sec] Device power-up delay [Auto] Enables Legacy USB support. AUTO option disables legacy support if no USB devices are connected. DISABLE option will keep USB devices available only for EFI applications. → ←: Select Screen ↑ ↓: Select Item Enter: Select +/-: Change Opt. F1: General Help F2: Previous Values F3: Optimized Defaults F4: Save & Exit ESC: Exit Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc. ► Legacy USB Support This item is used to enable the support for USB devices on legacy OS. If you have a USB keyboard or mouse, set to enabled. [Enabled]: This option will enable the legacy USB support. [Disabled]: This option will keep USB devices available only for EFI applications. [Auto]: This option will disable the legacy support if no USB devices are connected. ► Legacy USB 3.0 Support This item is used to enable or disable legacy USB 3.0(XHCI) controller support. ► XHCI Hand-off This is a workaround for OSes without XHCI hand-off support. The XHCI ownership change should be claimed by XHCI driver. ► EHCI Hand-off This is a workaround for OSes without EHCI hand-off support. The EHCI ownership change should be claimed by EHCI driver. ► USB Transfer time-out This item is used to select a time-out value for Control,Bulk and Interrupt Transfers. Default value is [20 sec]. ► Device reset time-out 28

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BIOS SETUP
28
► Hot Plug (Appears when “SATA Mode” is set to [RAID]/[AHCI)
The hot plug function allows for device detection without power being applied and ability to
connect and disconnect devices without prior notification to the system. This item is used to
enable or disable hot plug function for SATA hard disks when in RAID/AHCI mode.
► External SATA (Appears when “SATA Mode” is set to [AHCI])
This item is used to allow an outside the box connection of up to 2 meters (when using the
cable defined in SATA-IO) or not.
► Spin up Device(Appears when “SATA Mode” is set to [AHCI])
This item is used to select if the SATA controller supports staggered spin-up on its ports,
for use in balancing power spikes. This value is loaded by platform BIOS prior to OS
initialization.
USB Configuration
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
Aptio Setup Utility - Copyright (C) 2011 American Megatrends, Inc.
Legacy USB Configuration
Legacy USB Support
[Enabled]
Legacy USB 3.0 Support
[Enabled]
XHCI Hand-off
[Enabled]
EHCI Hand-off
[Enabled]
Legacy USB hardware delays and time-outs:
USB Transfer time-out
[20 sec]
Device reset time-out
[20 sec]
Device power-up delay
[Auto]
→ ←: Select Screen
↑ ↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
Enables Legacy USB support.
AUTO option disables legacy
support if no USB devices are
connected. DISABLE option will
keep USB devices available
only for EFI applications.
Advanced
► Legacy USB Support
This item is used to enable the support for USB devices on legacy OS. If you have a USB
keyboard or mouse, set to enabled.
[Enabled]: This option will enable the legacy USB support.
[Disabled]: This option will keep USB devices available only for EFI applications.
[Auto]: This option will disable the legacy support if no USB devices are connected.
► Legacy USB 3.0 Support
This item is used to enable or disable legacy USB 3.0(XHCI) controller support.
► XHCI Hand-off
This is a workaround for OSes without XHCI hand-off support. The XHCI ownership change
should be claimed by XHCI driver.
► EHCI Hand-off
This is a workaround for OSes without EHCI hand-off support. The EHCI ownership change
should be claimed by EHCI driver.
► USB Transfer time-out
This item is used to select a time-out value for Control,Bulk and Interrupt Transfers. Default
value is [20 sec].
► Device reset time-out