Dell Latitude E6540 Manual page 15

Dell Latitude Ultrabook, E-Family & Mobile Precision Reimage "How-To" Guide
o The Intel IMSM or IRST application must also be installed
o The SATA operation modes are configured in the BIOS. Refer to the BIOS section 2.5
o If the SATA mode is configured in AHCI, IRRT, RAID On, or RAID mode, the IMSM / IRST
driver must be installed during the initial Operating System installation stages. The IMSM /
IRST driver is only available from Dell
If SATA configuration mode in the BIOS is set to either AHCI, IRRT, RAID On, or RAID, install
-
the Dell IMSM / IRST driver and application available on Dell's driver & downloads support
web site (support.dell.com) under the "Serial ATA" section