Seagate 6450, 6451 manual Tkr

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Medalist Pro 6450/6451 Product Manual, Rev. B	39

The drives operate at multiword DMA mode 2 timing specifications, as shown below

DMARQ

DMACK−

DIOR− or DIOW−

Read data valid

Write data valid




	TE		TF
	TE		TF

		TG	TH
		TG	TH

TI TD				TK

			T0

Figure 10. Multiword DMA timing

Time	Description	Min	Max
T0	Cycle time	120 nsec	—
TD	DIOW– or DIOR– pulse width (16-bit)	70 nsec	—
TE	DIOR– data access	—	—
TF	DIOR– data hold	5 nsec	—
TG	DIOW– data setup	20 nsec	—

TH	DIOW– data hold	10 nsec	—

TI	DMACK– to DIOR– or DIOW– setup	0 nsec	—
TJ	DIOR– or DIOW– to DMACK– hold	5 nsec	—
TKR	DIOR– negated pulse width	25 nsec	—
TKW	DIOW– negated pulse width	25 nsec	—
TLR	DIOR– to DMARQ delay	—	35 nsec
TLW	DIOW– to DMARQ delay	—	25 nsec

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Contents Product Manual Page Product Manual Page Contents ATA interface Configuring and mounting the driveAppendix. Timing diagrams Figures Medalist Pro 6450/6451 Product Manual, Rev. B Introduction Energy-efficiency CapacityPerformance Drive specification ST36450A ST36451A Quick specification chartVoltage tolerance including noise +12V Formatted capacity SpecificationsStandard configuration ST36450A ST36451A Functional specificationsPhysical organization Multisegmented cache buffer Physical dimensionsSeek time Start and stop times Typical power-up and power-down sequenceAuto-park Power-up sequencePower-down sequence Power specifications Power managementSleep mode Active modeIdle mode Standby modeInput noise Power consumptionEnvironmental specifications 1.13.1 Ambient temperature Shock and vibration Temperature gradientAltitude Relative humidityAgency listings Overall A-weighted Value IdleAcoustics ReliabilityFCC verification Electromagnetic Compliance for the European UnionPage Sicherheitsanleitung Handling and static-discharge precautions Configuring and mounting the drivePart Description Part number I/O cable and connectorPower connector Part DescriptionOptions jumper block ConnectorsConfiguration Settings Master/slave configurationRemote LED connection Alternate capacity jumperCable-select option Mounting the drive Connecting cable-selected drivesMounting dimensions Medalist Pro 6450/6451 Product Manual, Rev. B ATA Interface ATA Interface connector pin assignmentsATA interface connector pin assignments Command name Parameters used Command setCA, CB Word Description Value Identify drive command ECHWord Description Value Word Description Value Feature Value Set Features command EFHUpper 5 bits PIO and DMA Data-Transfer ModesAutomatic Reallocation Standby timer timeout periodSleep command 99H, E6H Sector Count Register contents Corresponding timeout periodProtocol Rules Synchronous DMA Transfer Signal Line DefinitionsSignal Line Definitions New Definitions Old Definitions Field/Bit Description Error RegisterTime Description Min Max Appendix. Timing diagramsProgrammed I/O timing with Iordy TKR Sustained Synchronous DMA burst Time Description ModePage Page

6451, 6450 specifications

The Seagate 6450 and 6451 series represent a significant advancement in storage technology, designed specifically for high-performance computing demands. With an emphasis on reliability and speed, these models cater to enterprise-level applications, making them an ideal choice for data centers and organizations that require robust storage solutions.

One of the standout features of the Seagate 6450 and 6451 is their capacity. Both models provide extensive storage options, ranging from several terabytes to accommodate large data sets. This capability ensures that organizations can store vast amounts of information without the need for frequent upgrades, a crucial aspect for businesses that experience exponential data growth.

In terms of performance, the Seagate 6450 and 6451 series are built on cutting-edge SATA and SAS interfaces, providing exceptional data transfer speeds. This rapid throughput is essential for applications that require quick access to stored data, such as databases, virtualized environments, and enterprise applications. The drives offer improved IOPS (input/output operations per second), which enhances overall system responsiveness.

Reliability is another hallmark of the Seagate 6450 and 6451 series. With advanced error detection and correction technologies, these drives ensure data integrity, minimizing the risk of data loss. The series is also designed to operate continuously in high-demand environments, featuring robust construction and durability that meet the rigorous standards expected in enterprise settings.

Moreover, the energy efficiency of the Seagate 6450 and 6451 drives is noteworthy. They incorporate technologies that help reduce power consumption while maintaining performance. This is particularly important for organizations looking to reduce their carbon footprint and operational costs.

Additional features include comprehensive data security measures, such as built-in encryption support, which protects sensitive information from unauthorized access. These drives also come equipped with various management tools that facilitate monitoring and optimization of performance, making it easier for IT administrators to maintain their storage systems.

In summary, the Seagate 6450 and 6451 series are engineered to meet the evolving needs of the data-driven world. With impressive storage capacities, high-speed performance, steadfast reliability, and energy efficiency, they are invaluable assets for any enterprise aiming to maximize their data management capabilities.

Figure 10. Multiword DMA timing

Time

TKR

TLW

6451, 6450 specifications