Dell C6100 owner manual USB Configuration, A.R.T. Auto default

Option	Description
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	Enables or disables 32-bit data transfer.
(Enabled default)

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	Description
USB Devices Enabled	Displays USB devices currently detected.
Legacy USB Support	Enables support for legacy USB devices. Auto option
(Enabled default)	disables legacy support if no USB devices are
	connected.

Using the System Setup Program

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