Seagate 810 manual Specification summary table, Drive Specification ST9816AG

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2	Marathon 810 (ST9816AG) Product Manual, August 1995

Specification summary table

The specifications listed in this table are for quick reference. For details on specification measurement or definition, see the appropriate section of this manual.

Drive Specification	ST9816AG


Guaranteed Capacity (×106 bytes)	810
Guaranteed sectors	1,583,568

Bytes per sector	512

Default sectors per track	63

Default Read/Write heads	16

Default cylinders	1,571

Physical read/write heads	8

Discs	4

Recording density (bits/inch)	90,000

Track density (tracks/inch)	3,807

Areal density (Mbits/inch2)	342
Spindle speed (RPM)	4,500

Internal data-transfer rate (Mbits/sec, max)	44

I/O data-transfer rate (Mbytes/sec, max)	16.6

ATA data-transfer modes supported	PIO modes 0, 1, 2, 3, 4;
	Multiword DMA modes 0, 1, 2

Cache buffer (Kbytes)	120

Height (inches, max)	0.754

Width (inches, max)	2.76

Depth (inches, max, excluding I/O pins)	4.010

Weight (ounces, typical)	7.4

Track-to-track seek time (msec, typical)	6 (read), 7 (write)

Average seek time (msec, typical)	16 (read), 20 (write)

Full-stroke seek time (msec, max)	26 (read), 28 (write)

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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 Specification summary table Drive Specification ST9816AGRead/Write power and current typical Page Formatted capacity Drive specificationsDefault logical geometry Supported translation geometriesPhysical dimensions Recording and interface technologySeek time Power specificationsPower consumption Startup timesTypical watts RMS Typical amps RMS Mode At nominal voltage Typical current profileConducted noise Power recoveryPower-management modes Voltage toleranceTemperature gradient Environmental tolerances Ambient temperatureRelative humidity Operating shock AltitudeShock Nonoperating shockDrive acoustics Mode TypicalNonoperating vibration ReliabilityAgency certification Safety certification FCC verificationMarathon 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 ATA interface connector Dimensions are in inches mmPage AT bus signal levels ATA interface signals and connector pinsATA interface O pins and associated ATA signals supported by the ST9816AG ATA Interface commands Supported ATA commands NOPATA-standard power-management commands Command Supported by Command name Code ST9816AGSeagate-specific commands Identify Drive command Word Description ST9816AGXxxx H Word Bit Description if bit is set to Set Features command ECC testing Appendix. Compatibility notes