Bios - Dell Latitude E4200 How-To Manual

E-Family 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:
Settings  System Configuration SATA Operation
-
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
•
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 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 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 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.
Dell Confidential