Dell Dimension 900 Reference And Troubleshooting Manual page 96

B-10 Dell Dimension 900 System Reference and Troubleshooting Guide
Table B-7. Onboard Peripherals Screen Menu Options (continued)
Option
IRQ
Operation
Mode
ECP DMA
Channel
Floppy Disk
Controller
PS/2 Mouse
Controller
IDE Controller
USB Host
Controller
USB Legacy
Mode
NOTE: The Glossary in the system Help defines abbreviations and acronyms.
Function
If port is set to Enabled, available interrupts are 7 (default)
and 5.
Sets parallel port to EPP (default), ECP , Standard, or
Bi-Directional mode of operation.
NOTE: See the device manufacturer's documentation for
information on which mode to use before changing this
setting.
If operation mode is set to ECP , sets the DMA channel to 1
(default) or 3.
Determines if the diskette-drive controller is Enabled
(default) or Disabled.
Determines if the mouse controller is Enabled (default) or
Disabled.
Determines the IDE controller mode. Selections are Both
(default), Primary, or Disabled.
Determines if the USB host controller is Enabled (default) or
Disabled. If set to Enabled, you can set the following addi-
tional option:
Set to Disabled (default) if legacy USB support is not
desired. Enabled allows support for legacy USB devices.
NOTE: USB Legacy Mode automatically sets to Disabled if a
PS/2 keyboard is detected by the system during POST.