Dell PowerEdge C6100 Hardware Owner's Manual - Page 43

USB Configuration, USB Mass Storage Device Configuration, USB 2.0 Controller Mode, FullSpeed

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Option DMA Mode (Auto default) S.M.A.R.T. (Auto default) 32Bit Data Transfer (Enabled default) Description Selects the devices DMA (Direct Memory Access) mode, which transfers data from channel to channel without using the processor, resulting in faster data transfer then when the processor is used for every byte of transfer: • Auto: automatically detects optimal or default DMA mode • SWDMA0 ~ SWDMA2: selects SingleWord DMA 0 to 2 • MWDMA0 ~ MWDMA2: selects MultiWord DMA 0 to 2 • UDMA 0 ~ UDMA5: selects Ultra DMA 0 to 5 Self Monitoring Analysis and Reporting Technology) reports drive degradation to the operating system to warn you of potential failure: • Auto: automatically sets optimal or default S.M.A.R.T. mode • Disabled: disables S.M.A.R.T. • Enabled: enables S.M.A.R.T. Enables or disables 32-bit data transfer. USB Configuration NOTE: The USB Mass Storage Device Configuration is shown in SETUP screen when USB Mass Storage is plugged. If USB device (Floppy, CDROM) is used to install RedHat® Linux 9.0, change USB 2.0 Controller Mode to FullSpeed to work around it, because RedHat Linux 9.0 is not supported completely for hand-off function. Option USB Devices Enabled Legacy USB Support (Enabled default) Description Displays USB devices currently detected. Enables support for legacy USB devices. Auto option disables legacy support if no USB devices are connected. Using the System Setup Program 43

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Using the System Setup Program
43
USB Configuration
NOTE:
The
USB Mass Storage Device Configuration
is shown in SETUP
screen when USB Mass Storage is plugged. If USB device (Floppy, CDROM) is used
to install RedHat
®
Linux 9.0, change
USB 2.0 Controller Mode
to
FullSpeed
to
work around it, because RedHat Linux 9.0 is not supported completely for
hand-off function.
DMA Mode (
Auto
default)
Selects the devices DMA (Direct Memory Access)
mode, which transfers data from channel to channel
without using the processor, resulting in faster data
transfer then when the processor is used for every
byte of transfer:
•
Auto
: automatically detects optimal or default
DMA mode
•
SWDMA0 ~ SWDMA2
: selects SingleWord
DMA 0 to 2
•
MWDMA0 ~ MWDMA2
: selects MultiWord
DMA 0 to 2
•
UDMA 0 ~ UDMA5
: selects Ultra DMA 0 to 5
S.M.A.R.T. (
Auto
default)
Self Monitoring Analysis and Reporting Technology)
reports drive degradation to the operating system to
warn you of potential failure:
•
Auto
: automatically sets optimal or default
S.M.A.R.T. mode
•
Disabled
: disables S.M.A.R.T.
•
Enabled
: enables S.M.A.R.T.
32Bit Data Transfer
(
Enabled
default)
Enables or disables 32-bit data transfer.
Option
Description
USB Devices Enabled
Displays USB devices currently detected.
Legacy USB Support
(
Enabled
default)
Enables support for legacy USB devices. Auto option
disables legacy support if no USB devices are
connected.
Option
Description