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Intel Desktop Board DH61AG Technical Product Specification
1.7
SATA Interfaces
The board provides four SATA connectors through the PCH, which support one device
per connector:
•
Two internal SATA 3.0 Gb/s connectors (black)
•
One internal mSATA 3.0 Gb/s port (PCI Express Full-/Half-Mini Card slot)
•
One eSATA 3.0 Gb/s connector on the back panel for external connectivity (red)
The PCH provides independent SATA ports with a theoretical maximum transfer rate of
3 Gb/s. A point-to-point interface is used for host to device connections.
The underlying SATA functionality is transparent to the operating system. The SATA
controller can operate in both legacy and native modes. In legacy mode, standard IDE
I/O and IRQ resources are assigned (IRQ 14 and 15). In Native mode, standard PCI
Conventional bus resource steering is used. Native mode is the preferred mode for
configurations using Windows operating systems.
The board has an internal SATA power connector and ships with a power cable for
powering internal SATA storage devices. The power cable includes:
•
Right-angled 15-pin SATA female connector (for motherboard connectivity)
•
1 x 4 Molex female connector (for slim optical drive adapter connectivity)
•
15-pin SATA female connector (for storage connectivity)
•
Vertical 15-pin SATA female connector (for storage connectivity)
NOTE
Board power supplied through SATA power connector is rated at a maximum of:
•
1.0 A from 12 V rail
•
2.5 A from 5 V rail
•
0.5 A from 3.3 V rail
For information about
The location of the SATA connectors
1.7.1
AHCI Mode
The board supports AHCI storage mode via the Intel H61 Express Chipset.
NOTE
In order to use AHCI mode, AHCI must be enabled in the BIOS. Also, during Microsoft
Windows XP installation, F6 must be pressed to install the AHCI drivers. See your
Microsoft Windows XP documentation for more information about installing drivers
during installation. Microsoft Windows 7 includes the necessary AHCI drivers without
the need to install separate AHCI drivers during the operating system installation
process, however, it is always good practice to update the AHCI drivers to the latest
available by Intel.
30
Refer to
Figure 13, page 49
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