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Appendix E: BIOS
USB Configuration Sub-Menu
E-12 8580/8590 Vehicle-Mount Computer User Manual
E.5.8 USB Configuration Sub-Menu
Block (Multi-
Sector Transfer)
Disabled
Auto
Set to AUTO to let the BIOS auto detect device
support for multisector transfer. The data trans-
fer to and from the device will occur multiple
(the number of sectors, see above) sectors at a
time.
Set to Disabled to prevent the BIOS from using
block mode. The data transfer to and from the
device will occur one sector at a time.
PIO Mode
Auto
0, 1, 2, 3, 4
Set to AUTO to let the BIOS auto detect the
supported PIO mode.
DMA Mode
Auto
SWDMA0, 1, 2
MWDMA0, 1, 2
UDMA0, 1, 2, 3,
4, 5, 6
Set to AUTO to let the BIOS auto detect the
supported DMA mode.
SWDMA = Single Word DMA
MWDMA = Multi Word DMA
UDMA = Ultra DMA
S.M.A.R.T.
Auto
Disabled
Enabled
Set to AUTO to let the BIOS auto detect hard
disk drive support.
Set to Disabled to prevent the BIOS from using
SMART feature.
Set to Enabled to allow the BIOS to use
SMART feature on supported hard disk drives.
32 Bit Data Trans-
fer
Disabled
Enabled
Enable/Disable 32 bit data transfers on sup-
ported hard disk drives.
Feature Options Description
USB Functions
Disabled
2 USB ports
4 USB ports
6 USB ports
Disable ICH6M USB host controllers.
Enable UHCI host controller 0.
Enable UHCI host controller 0 + 1.
Enable UHCI host controller 0 + 1 + 2.
USB 2.0 Control-
ler
Enabled
Disabled
Enable the ICH6M USB 2.0 (EHCI) host con-
troller.
Feature Options Description