Seagate ST250LT012 Momentus Thin SATA Product Manual - Page 25
Serial ATA SATA interface
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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. For detailed information about the Serial ATA interface, refer to the "Serial ATA: High Speed Serialized AT Attachment" specification. 4.1 Hot-Plug compatibility Momentus Thin Series SATA drives incorporate connectors which enable you to hot plug these drives in accordance 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 S1 S2 S3 S4 S5 S6 Signal S7 Function Ground A+ AGround BB+ Ground Definition 2nd mate Differential signal pair A from Phy 2nd mate Differential signal pair B from Phy 2nd mate Key and spacing separate signal and power segments Momentus Thin Series SATA Product Manual, Rev. B 19