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Dell E5500 - Latitude - Core 2 Duo 2.53 GHz Gebrauchsanweisung
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
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•
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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
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(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.
o
For NVMe PCIe SSD support on 7th Generation, see "2.6.6 Intel
o
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