8serial-ata, Interface, 1 connector – Kontron KTAM3874-pITX User Manual
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Serial-ATA®
Interface
KTAM3874/pITX User's Guide
8
Serial-ATA
®
Interface
Only one S-ATA
®
2.0 port is available. Serial-ATA
®
connections boost the data rate theoretically up to 300
MB/sec. In addition it changes the parallel interface requiring 40 separate wires to a serial interface requi-
ring only 6 wires. The controller supports the Advanced Host Controller Interface (AHCI).
If you use a mini S-ATA
®
card on connector J900 the hardware automatically switches from the
standard connector to the card socket.
8.1
Connector
The S-ATA
®
interface is available through the standard L-type connector J903 (7 pins).
Header
Pin
Signal
Description
Type
1
GND
Ground
PWR
2
TX+
Transmit (positive)
DSO
3
TX-
Transmit (negative)
DSO
4
GND
Ground
PWR
5
RX-
Receive (negative)
DSI
6
RX+
Receive (positive)
DSI
7
GND
Ground
PWR
1