Kontron KT690-mITX (BGA) - dual core Instrukcja Użytkownika Pobierz pdf (Strona 43)

KT690 Family

KTD-00738-J

Public

User Manual

Date 2012-06-01

Page

Serial ATA harddisk interface 4.7

The KT690 boards have an integrated SATA Host controller that supports independent operation on four

ports and data transfer rates of up to 3.0Gb/s (300MB/s). The SATA controller supports AHCI mode and has

integrated RAID functionality with support for RAID modes 0, 1 and 10.

The board provides four Serial ATA (SATA) connectors, which support one device per connector.

The SB600 Southbridge Serial ATA controller offers four independent Serial ATA ports with a theoretical

maximum transfer rate of 3 Gbits/sec per port.

A point-to-point interface is used for host to device connections, unlike Parallel ATA IDE which supports a

master/slave configuration and two devices per channel.

For compatibility, the underlying Serial ATA functionality is transparent to the operating system. The Serial

ATA 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 the Windows XP and Windows 2000

operating systems.

The KT690 supports the following RAID (Redundant Array of Independent Drives) levels:

• RAID 0 - data striping

• RAID 1 - data mirroring

• RAID 0+1 (or RAID 10) - data striping and mirroring

Limitations depending on Target Operating System apply.

4.7.1 SATA Hard Disk Connector (SATA0, SATA1, SATA2, SATA3)

SATA:

Signal

Type

Ioh/Iol

Pull

U/D

Note

Key

GND

PWR

SATA* TX+

SATA* TX-

GND

PWR

SATA* RX-

SATA* RX+

GND

PWR

The signals used for the primary Serial ATA harddisk interface are the following:

Signal

Description

SATA* RX+

SATA* RX-

Host transmitter differential signal pair

SATA* TX+

SATA* TX-

Host receiver differential signal pair

“*” specifies 0, 1, 2, and 3 depending on SATA port.

All of the above signals are compliant to [4].

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