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Usb configuration – Dell PowerEdge C6100 User Manual

Page 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

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