Intel® Server System R2000WF Product Family Technical Product Specification
87
Table 60. SATA and sSATA controller feature support
Feature
Description
AHCI Mode
RAID Mode
Intel® RSTe
RAID Mode
Intel® ESRT2
Native Command
Queuing (NCQ)
Allows the device to reorder commands for more
efficient data transfers
Supported
Supported
Auto Activate for DMA
Collapses a DMA Setup then DMA Activate sequence
into a DMA Setup only
Supported
Supported
Hot Plug Support
Allows for device detection without power being applied
and ability to connect and disconnect devices without
prior notification to the system
Supported
Supported
Asynchronous Signal
Recovery
Provides a recovery from a loss of signal or establishing
communication after hot plug
Supported
Supported
6 Gb/s Transfer Rate
Capable of data transfers up to 6 Gb/s
Supported
Supported
Supported
ATAPI Asynchronous
Notification
A mechanism for a device to send a notification to the
host that the device requires attention
Supported
Supported
Host & Link Initiated
Power Management
Capability for the host controller or device to request
Partial and Slumber interface power states
Supported
Supported
Staggered Spin-Up
Enables the host the ability to spin up hard drives
sequentially to prevent power load problems on boot
Supported
Supported
Supported
Command Completion
Coalescing
Reduces interrupt and completion overhead by allowing
a specified number of commands to complete and then
generating an interrupt to process the commands
Supported
N/A
The SATA controller and the sSATA controller can be independently enabled and disabled and configured
through the BIOS setup utility under the Mass Storage Controller Configuration menu screen. The following
table identifies supported setup options.
Table 61. SATA and sSATA controller BIOS setup utility options
SATA Controller
sSATA Controller
Supported
AHCI
AHCI
Yes
AHCI
Disabled
Yes
AHCI
Intel® RSTe
Yes
AHCI
Intel® Embedded Server RAID Technology 2 Microsoft Windows* only
Disabled
AHCI
Yes
Disabled
Disabled
Yes
Disabled
Intel® RSTe
Yes
Disabled
Intel® Embedded Server RAID Technology 2 Yes
Intel® RSTe
AHCI
Yes
Intel® RSTe
Disabled
Yes
Intel® RSTe
Intel® RSTe
Yes
Intel® RSTe
Intel® Embedded Server RAID Technology 2 No
Intel® Embedded Server RAID Technology 2 AHCI
Microsoft Windows only
Intel® Embedded Server RAID Technology 2 Disabled
Yes
Intel® Embedded Server RAID Technology 2 Intel® RSTe
No
Intel® Embedded Server RAID Technology 2 Intel® Embedded Server RAID Technology 2 Yes