NH82801HEM S LB9B Intel, NH82801HEM S LB9B Datasheet - Page 197
NH82801HEM S LB9B
Manufacturer Part Number
NH82801HEM S LB9B
Description
Manufacturer
Intel
Datasheet
1.NH82801HEM_S_LB9B.pdf
(890 pages)
Specifications of NH82801HEM S LB9B
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Functional Description
Table 82.
5.16.1
5.16.1.1
Note:
5.16.1.2
Intel
®
ICH8 Family Datasheet
SATA Feature Support
Theory of Operation
Standard ATA Emulation
The ICH8 contains a set of registers that shadow the contents of the legacy IDE
registers. The behavior of the Command and Control Block registers, PIO, and DMA
data transfers, resets, and interrupts are all emulated.
The ICHn will assert INTR when the master device completes the EDD command
regardless of the command completion status of the slave device. If the master
completes EDD first, an INTR is generated and BSY will remain '1' until the slave
completes the command. If the slave completes EDD first, BSY will be '0' when the
master completes the EDD command and asserts INTR. Software must wait for busy to
clear (0) before completing an EDD command, as required by the ATA5 through ATA7
(T13) industry standards.
48-Bit LBA Operation
The SATA host controller supports 48-bit LBA through the host-to-device register FIS
when accesses are performed via writes to the task file. The SATA host controller will
ensure that the correct data is put into the correct byte of the host-to-device FIS.
Native Command Queuing
(NCQ)
Auto Activate for DMA
Hot Plug Support
Asynchronous Signal
Recovery
3 Gb/s Transfer Rate
ATAPI Asynchronous
Notification
Host Initiated Power
Management
Staggered Spin-Up
Command Completion
Coalescing
Port Multiplier
External SATA
Feature
Allows the device to reorder commands for more efficient data
transfers
Collapses a DMA Setup then DMA Activate sequence into a DMA
Setup only
Allows for device detection without power being applied and
ability to connect and disconnect devices without prior
notification to the system
Provides a recovery from a loss of signal or establishing
communication after hot plug
Capable of data transfers up to 3Gb/s
A mechanism for a device to send a notification to the host that
the device requires attention
Capability for the host controller to request Partial and Slumber
interface power states
Enables the host the ability to spin up hard drives sequentially to
prevent power load problems on boot
Reduces interrupt and completion overhead by allowing a
specified number of commands to complete and then generating
an interrupt to process the commands
A mechanism for one active host connection to communicate
with multiple devices
Technology that allows for an outside the box connection of up to
2 meters (when using the cable defined in SATA-IO)
Description
197
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