Viewing SATA Settings
To view the
SATA Settings
screen, perform the following steps:
1
Turn on, or restart your system.
2
Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3
On the
System Setup Main Menu
screen, click
System BIOS
.
4
On the
System BIOS
screen, click
SATA Settings
.
SATA Settings details
The
SATA Settings
screen details are explained as follows:
Option
Description
Embedded SATA
Enables the embedded SATA option to be set to
Off
,
AHCI
, or
RAID
modes. This option is set to
AHCI
by default.
Security Freeze
Lock
Sends
Security Freeze Lock
command to the embedded SATA drives during POST. This option is applicable only
for AHCI mode. This option is set to
Enable
by default.
Write Cache
Enables or disables the command for the embedded SATA drives during POST. This option is set to
Disable
by
default.
Port n
Sets the drive type of the selected device.
For
AHCI
or
RAID
mode, BIOS support is always enabled.
Option
Description
Model
Specifies the drive model of the selected device.
Drive Type
Specifies the type of drive attached to the SATA port.
Capacity
Specifies the total capacity of the hard drive. This field is undefined for removable media
devices such as optical drives.
Boot Settings
You can use the
Boot Settings
screen to set the boot mode to either
BIOS
or
UEFI
. It also enables you to specify the boot order.
•
UEFI
: The Unified Extensible Firmware Interface (UEFI) is a new interface between operating systems and platform firmware. The
interface consists of data tables with platform related information, also boot and runtime service calls that are available to the operating
system and its loader. The following benefits are available when the
Boot Mode
is set to
UEFI
:
•
Support for hard drive partitions larger than 2 TB.
•
Enhanced security (e.g., UEFI Secure Boot).
•
Faster boot time.
•
BIOS
: The
BIOS Boot Mode
is the legacy boot mode. It is maintained for backward compatibility.
Dell EMC PowerEdge R640 Installation and Service Manual
Pre-operating system management applications
49