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Dell Latitude 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 (support.dell.com) under the "BIOS" section.

Some of the BIOS settings are critical to Operating System performance. These are as follows:

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 "2.6.4 Intel Storage" of this document

Settings  System Configuration SATA Operation



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



Notes:

o RAID support requires second hard disk drive.