Seagate ST9120410ASG, ST980412ASG, ST9500420AS Serial ATA Sata interface, Hot-Plug compatibility

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4.0Serial 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.

4.1Hot-Plug compatibility

Momentus 7200.4 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.

22	Momentus 7200.4 SATA Product Manual, Rev. C

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Contents Momentus 7200.4 Sata Page Contents Momentus 7200.4 Sata Product Manual, Rev. C List of Figures Page Introduction Standard models Free Fall Protection modelsAbout the Serial ATA interface Drive specifications Specification summary tableDrive specifications Default logical geometry LBA modeFormatted capacity Physical organizationDrive specification Physical characteristicsRecording and interface technology Seek time Start/stop timesTypical seek times Typical seek times msec ReadPower specifications Typical current profile Typical +5V only startup and operation current profileConducted noise Voltage tolerancePower-management modes Power management modesActive mode Idle modeEnvironmental specifications Acoustics Free Fall Protection feature Electromagnetic immunityReliability Radio frequency environmentsAgency certification Page European Union Restriction of Hazardous Substances RoHS Environmental protectionChina Restriction of Hazardous Substances RoHS Directive Corrosive environment Configuring and mounting the drive Handling and static-discharge precautionsConfiguring the drive Serial ATA cables and connectorsMounting dimensions-top, side and end view Drive mountingSerial ATA Sata interface Hot-Plug compatibilitySerial ATA device plug connector pin definitions Serial ATA connector pin definitionsSignal Pin Function DefinitionSupported ATA commands Command name Command code in hex ATA-standard commandsCommand name Command code in hex ATA-standard security commands Identify Device commandWord Description Value XxxxH Xx7FH Description if bit is set to Bit Set Features command Set Features command valuesA.R.T. commands 3 S.M.A.R.T. commandsCode in features register A.R.T. command Seagate Technology support services Seagate Online Support and ServicesIndex ITE TPI Momentus 7200.4 Sata Product Manual, Rev. C Page Seagate Technology LLC