Seagate 810 manual Drive specifications, Formatted capacity, Default logical geometry

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Marathon 810 (ST9816AG) Product Manual, August 1995	5

1.0 Drive specifications

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, at sea level, and nominal power.

1.1 Formatted capacity

	ST9816AG
Guaranteed Mbytes	810.7
(1 Mbyte = 106 bytes)
Guaranteed sectors	1,583,568
Bytes per sector	512

1.1.1Default logical geometry

	ST9816AG
Sectors per track	63
Read/Write heads	16
Cylinders	1,571

1.1.2Supported translation geometries

The ST9816AG supports all head, cylinder and sector geometries, subject to the maximums specified below and to the following condition:

(sectors) × (heads) × (cylinders) ≤ total sectors per drive

	ST9816AG
Sectors per track (max)	63
Read/Write heads (max)	16
Cylinders (max)	1,571

1.2 Physical organization

	ST9816AG
Read/Write heads	8
Discs	4

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Contents Marathon ATA Interface Drive Page Marathon 810 ST9816AG ATA Interface Drive Page Contents ATA interface Drive mounting and configurationAppendix. Compatibility notes Figures Page Introduction Drive Specification ST9816AG Specification summary tableRead/Write power and current typical Page Default logical geometry Drive specificationsFormatted capacity Supported translation geometriesRecording and interface technology Physical dimensionsPower consumption Power specificationsSeek time Startup timesTypical current profile Typical watts RMS Typical amps RMS Mode At nominal voltagePower-management modes Power recoveryConducted noise Voltage toleranceTemperature gradient Environmental tolerances Ambient temperatureRelative humidity Shock AltitudeOperating shock Nonoperating shockNonoperating vibration Mode TypicalDrive acoustics ReliabilityFCC verification Agency certification Safety certificationMarathon 810 ST9816AG Product Manual, August Handling and static-discharge precautions Drive mounting and configurationJumper settings Master/slave configuration Connector and master/slave jumper setup for the ST9816AG Jumper For pins Configuration Remote LED configurationDrive mounting Mounting dimensions for the ST9816AG Dimensions are in inches mm ATA interface connectorPage AT bus signal levels ATA interface signals and connector pinsATA interface O pins and associated ATA signals supported by the ST9816AG NOP ATA Interface commands Supported ATA commandsATA-standard power-management commands Command Supported by Command name Code ST9816AGSeagate-specific commands Word Description ST9816AG Identify Drive commandXxxx H Word Bit Description if bit is set to Set Features command Appendix. Compatibility notes ECC testing