Dell OptiPlex 755 - Manual (Page 10)

options list, active options field, and key functions.
System Setup Options
Options List — This field appears on the left side of the system setup window. The field is a
scrollable list containing features that define the configuration of your computer, including
installed hardware, power conservation, and security features.
Scroll up and down the list by using the up and down arrow keys. As an option is highlighted,
the Option Field displays more information about that option and the option's current and
available settings.
Option Field — This field contains information about each
option. In this field you can view your current settings and
make changes to your settings.
Use the right- and left-arrow keys to highlight an option.
Press <Enter> to make that selection active.
Key Functions — This field appears below the Option Field
and lists keys and their functions within the active system
setup field.
NOTE: Depending on your computer and installed devices, the items listed in this section may or may not appear.
System
System Info Lists the computer name, BIOS Version, Service Tag, Express Service Code, (if applicable), and the Asset Tag. None of these fields can be
modified.
Processor
Info
Identifies the CPU type, bus speed, clock speed, and L2 cache size. States whether the processor is hyperthreading and multiple-core capable
and whether it supports 64-bit technology. None of these fields can be modified.
Memory Info Lists the type, size, speed, channel mode (dual or single), and memory slot information of installed memory. For each populated memory slot,
system setup lists the DIMM size, rank, type, and organization. Empty memory slots are denoted as "Empty." None of these fields can be
modified.
PCI Info Identifies any installed PCI or PCI Express cards. None of these fields can be modified.
Date/Time Displays current date and time settings.
Boot
Sequence
The computer attempts to boot from the sequence of devices specified in this list. This option allows you to control/modify the boot sequence
(see
Boot Sequence ).
Drives
Diskette Drive
(Internal default)
This option enables or disables the floppy drive. The options are Off, Internal, USB, and Read Only.
NOTE: If USB is selected, ensure that USB Controller setup option under Onboard Devices is set to On.
SATA 0 through
SATA n
Identifies and enables and disables the drives attached to the SATA connectors on the system board and lists the
capacities for the hard drives.
NOTE: These options appear as SATA 0 through SATA 3 for the mini tower, SATA 0 through SATA 2 for the
desktop, SATA 0 and SATA1 for the small form factor and ultra small form factor computers.
External SATA Identifies and enables and disables the drives attached to the eSATA connector on the system board and lists the
capacities for the hard drives.
NOTE: This option is not available on the ultra small form factor computer.
SATA Operation
(RAID Autodetect/AHCI default for mini-
tower and desktop)
(AHCI default for small form factor and
ultra small form factor)
Options for Mini Tower and Desktop:
l RAID Autodetect/AHCI (RAID if signed drives, otherwise AHCI)
l RAID Autodetect/ATA (RAID if signed drives, otherwise ATA)
l RAID On (SATA is configured for RAID on every boot)
NOTE: When in Autodetect mode, the computer configures the drive as RAID if a RAID signature is detected on the
drive. Otherwise the drive will be configured as AHCI or ATA.
Options for Small Form Factor and Ultra Small Form Factor: