Maxtor Computer Drive manual Power Requirements, Power Mode Definitions

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Product Specifications

3.5Power Requirements

MODE	12V (MA)	5V (MA)	POWER (W)


Spin-up (peak)	1562	621	21.8

Seek	502	392	8.0

Read/Write	461	414	7.6

Idle	425	230	6.2

Standby	36	229	1.6

Sleep	36	228	1.6

Note: Power numbers are typical values.

3.6Power Mode Definitions

Spin-up

The disk drive is spinning up following initial application of power and has not yet reached full speed.

Seek

A random access operation by the drive.

Read/Write

Data is being randomly read from or written to the drive.

Idle

The drive is spinning, the actuator is parked and powered off and all other circuitry is powered on. The drive is capable of responding to read commands within 40 ms.

Standby

The motor is not spinning. The drive will leave this mode upon receipt of a command that requires disk access. The time-out value for this mode is programmable. The buffer is active to accept write data.

Sleep

This is the lowest power state – with the interface set to inactive. A software reset is required to return the drive to the Standby state.

Maxtor DiamondMax 8S 40GB SATA

3-3

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Contents May 13 Revision Part Number DiamondMax 8S 40GB Serial ATA Product ManualPatents UL/CSA/VDE/TUV /RoHSClause at Dfars 252.227-7013 and FAR McCarthy Blvd Milpitas, California Tel Fax Table of Contents Sata BUS Interface and ATA Commands InstallationService and Support Single Pack Shipping Container List of FiguresList of Tables Sata Pin 11 ConfigurationProducts Maxtor CorporationAudience Manual OrganizationSata Terminology and ConventionsSOF ReferenceMaxtor DiamondMax 8S 40GB Sata Product Description Serial ATA Interface KEY FeaturesReliability PerformanceVersatility Hardware Requirements Regulatory Compliance StandardsProduct EMI/EMS Qualifications Drive Configuration Product SpecificationsModels and Capacities Physical Dimensions Performance Specifications40GB Power Mode Definitions Power RequirementsAt Speed EPA Energy Star ComplianceEnvironmental Limits Track FollowingParameter Operating NON-OPERATING Shock and VibrationCanadian Emissions Statement Reliability SpecificationsRoHS Compliance Safety Regulatory ComplianceSpace Requirements Installation2Single Pack Shipping Container Unpacking Instructions325 Pack Shipping Container Jumper Position Hardware OptionsStaggered Spin-up 4DiamondMax 8S 40GB Sata Power/Interface Connector SATA-P11 Orientation Mounting6Mounting Dimensions and Clearance Ventilation Sata Bus Interface ConnectorExternal Drive Activity LED For Systems with AN ADD-IN Sata Adapter Board Connecting the Adapter Board and the Drive2Device Plug Connector Pin Definitions 7Drive Power Supply and Sata Bus Interface Cables 8Completing the Drive Installation Register Address Decoding Sata BUS Interface and ATA CommandsCommand Interface Mechanical InterfaceCommand Feature Register Code Values Supported CommandsCommand Feature Register Code Values DBh Write Mulitple EXT Word Content Description Word Content Description Word Content Description Minimum Multiword DMA transfer cycle time per word ATA Bus Interface and ATA Commands Word Content Description Word Content Description Word Content Description Word Content Description Word Content Description Word Content Description = Ultra DMA mode 6 is selected Word Content Description ATA Bus Interface and ATA Commands Word Content Description Word Content Description Warranty Services Service and SupportProduct Support Glossary Maxtor DiamondMax 8S 40GB Sata G-2 FCI Acronym for flux changes per inch. See also BPI Kilobyte kB a unit of measure consisting of 1,024 210 bytes Initialize See low level formattingMillisecond ms One thousandth of a second .001 sec MB See megabyteMaxtor DiamondMax 8S 40GB Sata G-6 Transfer Rate The rate at which Maxtor DiamondMax 8S 40GB Sata G-8 Clearance 4-6,4-7,4-8