Kontron KTUS15-mITX - 1.1 Basic Manual de usuario Pagina 30

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KTD-00774-G KTUS15/mITX Page 30 of 84
4.7 Serial ATA Hard Disk interface
The KTUS15 boards includes an onboard SATA interface depending on the configuration (refer to section
KTUS15/mITX Board configurations).
The SATA Host controller supports 2-port SATA II interface with 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 and 1.
The board provides two Serial ATA (SATA) connectors, which support one device per connector.
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.
The KTUS15 supports the following RAID (Redundant Array of Independent Drives) levels:
RAID 0 - data striping
RAID 1 - data mirroring
Limitations depending on Target Operating System apply.
4.7.1 SATA Hard Disk Connector (SATA0, SATA1)
SATA:
PIN# Signal Type Ioh/Iol
Pull
U/D
Note
1
GND
PWR
-
-
2
SATA* TX+
3
SATA* TX-
4
GND
PWR
-
-
5
SATA* RX-
6
SATA* RX+
7
GND
PWR
-
-
The signals used for the primary Serial ATA hard disk 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 depending on SATA port.
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