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Dell Latitude Ultrabook, E-Family & Mobile Precision Reimage "How-To" Guide

2.5 BIOS

Dell recommends flashing the latest BIOS available to the system. This is posted on Dell's driver &

downloads support web site

Some of the BIOS settings are critical to Operating System performance and installation. These are

as follows:

Settings  System Configuration SATA Operation

•

o If AHCI, IRRT, RAID On, or RAID modes are selected, Intel's Matrix Storage Manager / Intel

Rapid Storage Technology driver must be installed in conjunction with the installation of

the Operating System. See section "2.6.6 Intel Storage" of this document

TPM Security:

These options enable and configure the Trusted Platform Module (TPM). If TPM is to be

deployed, TPM must be enabled in the BIOS Setup program

1. Security  TPM Security

•

(dell.com/support)

under the "BIOS" section.

Disabled: SATA Controllers are hidden

ATA, Basic Disk Operation mode, does not require additional storage driver.

Note

: eSATA is not functional in this mode

AHCI, SATA bus is configured for AHCI mode (Advanced Disk Operation

mode) which offers faster performance, eSATA support, and increased battery

life. This mode requires an additional storage driver provided by Dell

IRRT / RAID On, SATA bus is configured to support IRRT (Intel's Rapid

Recovery Technology). This mode supports AHCI mode features as well as

disk mirroring (RAID-1). IRRT allows data backup and restoration. This mode

requires an additional storage driver provided by Dell

RAID, SATA bus is configured to support RAID. This mode supports AHCI

mode features as well as disk mirroring (RAID-1). RAID allows data backup

and restoration. This mode requires an additional storage driver provided by

Dell.

Note:

RAID support requires second hard disk drive.

For NVMe PCIe SSD support on 7th Generation, see "2.6.6 Intel

Storage" of this document

TPM Security:

•

(Default)

Disabled

: The BIOS will not turn on the TPM during POST.

The TPM will be non-functional and invisible to the Operating System

•

Enabled: The BIOS will turn the TPM during POST so that it can be used

by the Operating System

Deactivate

(Default)

= The TPM will be deactivated

Activate = The TPM will be enabled and activated

Clear = The BIOS clears the information stored in the TPM