HP Dc7900 Using eSATA on HP Compaq dc7900 Business PCs - Page 5

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eSATA Port Availability The eSATA port can be hidden in F10 Setup at Security > Device Security > eSATA. Default is Available. Figure 4 eSATA device security Software Drivers The eSATA port does not require a driver to function. However, eSATA hot-plug support does require an AHCI driver with hot-plug support to be loaded in the operating system. In addition, the system must be set to SATA emulation mode of AHCI or RAID in BIOS (See "BIOS Interface" on page 3). The Windows XP or Vista image that ships with the HP Compaq dc7900 Business PC has the Intel AHCI driver (iastor.sys) pre-loaded. The system can be freely switched to and from IDE to AHCI. For customers who do not use the pre-installed HP image, there are several scenarios for using AHCI mode and eSATA hot-plug capability: 1. Existing Windows Vista images. The Windows Vista native AHCI driver supports eSATA hot-plugging. The system is AHCI and eSATA hot-plug capable. See case #4 for enhancing Windows Vista with the Intel AHCI driver. 5

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eSATA Port Availability
The eSATA port can be hidden in F10 Setup at
Security > Device Security > eSATA
. Default is
Available.
Figure 4
eSATA device security
Software Drivers
The eSATA port does not require a driver to function. However, eSATA hot-plug support does require an
AHCI driver with hot-plug support to be loaded in the operating system. In addition, the system must be
set to SATA emulation mode of AHCI or RAID in BIOS (See
“BIOS Interface” on page 3
).
The Windows XP or Vista image that ships with the HP Compaq dc7900 Business PC has the Intel AHCI
driver (iastor.sys) pre-loaded. The system can be freely switched to and from IDE to AHCI.
For customers who do not use the pre-installed HP image, there are several scenarios for using AHCI
mode and eSATA hot-plug capability:
1.
Existing Windows Vista images.
The Windows Vista native AHCI driver supports eSATA hot-plugging. The system is AHCI and eSATA
hot-plug capable. See case #4 for enhancing Windows Vista with the Intel AHCI driver.