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10.5.10 AHCI SATA Configuration
Feature
Options
Description
PORT 0
Disabled
Enabled
This node enables or disables the Set Transfer mode programming for SATA port 0
PORT 1
Disabled
Enabled
This node enables or disables the Set Transfer mode programming for SATA port 1
10.5.11 SDIO Configuration Submenu
Feature
Options
Description
SDIO Access Mode
Auto
DMA
PIO
Configures the access to the SD devices. With Auto, the controller determines the SD access method.
10.5.12 USB Configuration Submenu
Feature
Options
Description
USB Device List
no option
List of the USB devices connected to the system updated dynamically.
Legacy USB Support
Enabled
Disabled
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 and setup.
EHCI Hand-off
Disabled
Enabled
This is a workaround for OSes without EHCI hand-off support. The EHCI ownership change should be claimed by the EHCI OS
driver.
Device Reset Timeout
10 sec
20 sec
30 sec
40 sec
USB legacy mass storage device Start Unit command timeout.
Controller Timeout
1 sec
5 sec
10 sec
20 sec
Timeout value for legacy USB control, bulk and interrupt transfers.
USB Mass Storage Device
Name
(Auto detected USB mass
storage devices are listed here
dynamically)
Auto
Floppy
Forced FDD
Hard Disk
CD-ROM
Every USB mass storage device that is enumerated by the BIOS will have an emulation type setup option. This option specifies
the type of emulation the BIOS has to provide for the device.
Note: The device’s formatted type and the emulation type provided by the BIOS must match for the device to boot properly.
Select AUTO to let the BIOS auto detect the current formatted media.
If Floppy is selected then the device will be emulated as a floppy drive. Forced FDD allows a hard disk image to be connected
as a floppy image. Works only for drives formatted with FAT12, FAT16 or FAT32.
Hard Disk allows the device to be emulated as hard disk. CDROM assumes the CD-ROM is formatted as bootable media,
specified by the ‘El Torito’ Format Specification.
