System setup options – Dell OptiPlex 170L User Manual
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Changing Boot Sequence for Future Boots
1.
.
2.
Use the arrow keys to highlight the Boot Sequence menu option and press <Enter> to access the popup menu.
3.
Press the up- and down-arrow keys to move through the list of devices.
4.
Press the spacebar to enable or disable a device (enabled devices have a checkmark).
5.
Press the plus (+) or minus (–) keys to move a selected device up or down the list.
System Setup Options
NOTE:
Write down your current boot sequence in case you want to restore it.
NOTE:
Depending on your computer and installed devices, all of the items listed in the section may or may not appear.
Drive Configuration
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Diskette Drive A — Identifies the floppy drive attached to the DSKT connector on the system board. The two options are 3.5 Inch, 1.44 MB and Not
Installed.
Tape drives are not reflected in the Diskette Drive A option. For example, if a single floppy drive and a tape drive are attached to the floppy drive
interface cable, set Diskette Drive A to 3.5 Inch, 1.44 MB.
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SATA Primary Drive — Identifies the Serial ATA drive attached to the SATA connector on the system board.
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Primary Master Drive — Identifies the IDE hard drive attached to the IDE1 connector on the system board.
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Primary Slave Drive — Identifies the IDE device attached to the IDE2 connector on the system board.
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Secondary Master Drive — Identifies the device that is cabled with the drive on the IDE1 data cable.
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Secondary Slave Drive — Identifies the device that is cabled with the device on the IDE2 data cable.
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IDE Drive UDMA — Sets the mode for all installed hard drives.
NOTE:
You must have an IDE device connected to the primary IDE interface if you have an IDE device connected to the secondary IDE interface.
If You Have a Problem —
See "
Hard drive problems
."
Hard-Disk Drive Sequence —
If you insert a boot device and reboot, this option will appear in your system setup menu.
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System BIOS boot device
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USB Device
NOTE:
To boot from a USB memory device, select the USB device and move it to make it the first device in the list.
Boot Sequence —
See "
" for more information on this option.
Memory Information —
Indicates amount of installed memory, computer memory speed, amount of video memory, and size of the display cache.
CPU Information
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Hyper-threading — Enables or disables Hyper-Threading technology for operating systems that support Hyper-Threading. The default setting is
Disabled. The other two setting are Enabled and Default.
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CPU Speed — The processor speed at which the computer boots.
Press the left- or right-arrow key to toggle the CPU Speed option between the resident processor's rated speed (the default) and a lower-
compatibility speed. A change to this option takes effect immediately (no restart is necessary).
To toggle between the rated processor speed and the compatibility speed while the computer is running in real mode, press <Ctrl><Alt><\>. (For
keyboards that do not use American English, press <Ctrl><Alt><#>.)
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Bus Speed — The speed of the processor's system bus.
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Processor ID — The manufacturer's identification code(s) for the installed processor.
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Clock Speed — The core speed at which the processor(s) operates.
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Cache Size — The size of the processor's L2 cache.
Integrated Devices (Legacy Select Options) —
Configures the following devices integrated with the system board:
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Sound — The settings are On (default) or Off.
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Network Interface Controller — The settings are On (default), Off, or On w/ PXE.
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Mouse Port — The settings are On (default) or Off.
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USB Emulation — The settings are On (default) and Off.
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USB Controller — The settings are On (default) or Off.
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Serial Port 1 — The settings are Auto (default), COM1, COM3, and Off. Auto automatically configures a connector to a particular designation (COM1
or COM3).
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Parallel Port — The settings are Mode, I/O Address.
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Mode settings are PS/2 (default), EPP, ECP, AT, or Off. Set the Mode option according to the type of device connected to the parallel
connector. To determine the correct mode to use, see the documentation that came with the device.
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I/O Address settings are 378h (default), 278h, or 3BCh. The settings are not available when Mode is set to Off.
NOTE:
If Mode is set to ECP, DMA Channel appears as an option. Settings are DMA 1, DMA 3, or Off.