Seagate Momentus 5400.5 ST9320320AS-25PK Manual De Usuario
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ST9320320AS-25PK
Momentus 5400.5 SATA Product Manual, Rev. A
21
4.0
Serial ATA (SATA) interface
These drives use the industry-standard Serial ATA interface that supports FIS data transfers. It supports ATA
programmed input/output (PIO) modes 0–4; multiword DMA modes 0–2, and Ultra DMA modes 0–6. The drive
also supports the use of the IORDY signal to provide reliable high-speed data transfers.
programmed input/output (PIO) modes 0–4; multiword DMA modes 0–2, and Ultra DMA modes 0–6. The drive
also supports the use of the IORDY signal to provide reliable high-speed data transfers.
For detailed information about the Serial ATA interface, refer to the “Serial ATA: High Speed Serialized AT
Attachment” specification.
Attachment” specification.
4.1
Hot-Plug compatibility
Momentus 5400.5 SATA drives incorporate connectors which enable you to hot plug these drives in accor-
dance with the Serial ATA: High Speed Serialized AT Attachment specification revision 2.0. This specification
can be downloaded from http://www.serialata.org. This device requires a COMRESET from the host after a
hotplug event.
dance with the Serial ATA: High Speed Serialized AT Attachment specification revision 2.0. This specification
can be downloaded from http://www.serialata.org. This device requires a COMRESET from the host after a
hotplug event.
4.2
Serial ATA device plug connector pin definitions
Table 7 summarizes the signals on the Serial ATA interface and power connectors..
Table 7:
Serial ATA connector pin definitions
Segment
Pin
Function
Definition
Signal
S1
Ground
2nd mate
S2
A+
Differential signal pair A from Phy
S3
A-
S4
Ground
2nd mate
S5
B-
Differential signal pair B from Phy
S6
B+
S7
Ground
2nd mate
Key and spacing separate signal and power segments