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KTHM65 Users Guide

KTD-N0838-A Page 40

5.5 SATA (Serial ATA) Disk interface (J21 – J26)

The KTHM65 has an integrated SATA Host controller (PCH in the HM65 chipset) that supports

independent DMA operation on six ports. One device can be installed on each port for a maximum of six

SATA devices. A point-to-point interface (SATA cable) is used for host to device connections. Data

transfer rates of up to 6.0Gb/s (typically 600MB/s) on SATA0 and SATA1 and 3.0Gb/s (typically

300MB/s) on SATA2, SATA3, SATA4 and SATA5.

Note: Before installing OS on a SATA drive make sure the drive is not a former member of a RAID

system. If so some hidden data on the disk has to be erased.

The SATA controller supports:

AHCI (Advanced Host Controller Interface)

NCQ (Native Command Queuing). NCQ is for faster data access.

Hot Swap

Intel® Rapid Recover Technology

2 – 256TB volume (Data volumes only)

Capacity expansion

TRIM in Windows 7 (in AHCI). (TRIM is for SSD data garbage handling).

SATA connector pinning:

SATA0 (J21), SATA1 (J22), SATA2 (J23), SATA3 (J24), SATA4 (J25) and SATA5 (J26).

PIN Signal Type Ioh/Iol

Pull

U/D

Note

GND

PWR

SATA* TX+

SATA* TX-

GND

PWR

SATA* RX-

SATA* RX+

GND

PWR

The signals used for the primary SATA 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, 2, 3, 4, 5 depending on SATA port.

Available cable kit:

PN 821035 Cable SATA 500mm

Internal Connectors

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 128 129

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