Seagate 6451, 6450 manual Time Description Mode, Sustained Synchronous DMA burst

Page 48

40

Medalist Pro 6450/6451 Product Manual, Rev. B

The dives operates at sustained synchronous DMA burst timing specifi- cations, as shown below.

Strobe at Sender

Data at Sender

Tdvs

Tdvs

 

Tdvh

Tdvh

Tdvh

Tcyc

Tcyc

 

 

T2cyc

 

T2cyc

 

 

Strobe at

Receiver

Data at

Receiver

Tdh

Tds

Tdh

Tds

Tdh

Figure 11. Sustained Synchronous DMA burst

Time

Description

Mode 0

Mode 1

Mode 2

Tcyc

Cycle time

114 nsec

75 nsec

55 nsec

T2cyc

Two cycle times

235 nsec

156 nsec

117 nsec

Tds

Data setup time

15 nsec

10 nsec

7 nsec

(at receiver)

 

 

 

 

Tdh

Data hold time

5 nsec

5 nsec

5 nsec

(at receiver)

 

 

 

 

Tdvs

Data valid setup

70 nsec

48 nsec

34 nsec

time (at sender)

Tdvh

Data valid hold time

6 nsec

6 nsec

6 nsec

(at sender)

 

 

 

 

 

Note. Mode values show the minimum time only.

Image 48
Contents Product Manual Page Product Manual Page Contents Configuring and mounting the drive Appendix. Timing diagramsATA interface Figures Medalist Pro 6450/6451 Product Manual, Rev. B Introduction Capacity PerformanceEnergy-efficiency Quick specification chart Drive specification ST36450A ST36451AVoltage tolerance including noise +12V Specifications Standard configurationFormatted capacity Functional specifications Physical organizationST36450A ST36451A Physical dimensions Seek timeMultisegmented cache buffer Typical power-up and power-down sequence Start and stop timesPower-up sequence Power-down sequencePower specifications Power management Auto-parkActive mode Idle modeStandby mode Sleep modePower consumption Environmental specifications 1.13.1 Ambient temperatureInput noise Temperature gradient AltitudeRelative humidity Shock and vibrationOverall A-weighted Value Idle AcousticsReliability Agency listingsElectromagnetic Compliance for the European Union FCC verificationPage Sicherheitsanleitung Configuring and mounting the drive Handling and static-discharge precautionsI/O cable and connector Power connectorPart Description Part Description Part numberConnectors Options jumper blockMaster/slave configuration Configuration SettingsAlternate capacity jumper Cable-select optionRemote LED connection Connecting cable-selected drives Mounting the driveMounting dimensions Medalist Pro 6450/6451 Product Manual, Rev. B ATA Interface connector pin assignments ATA InterfaceATA interface connector pin assignments Command set Command name Parameters usedCA, CB Identify drive command ECH Word Description ValueWord Description Value Word Description Value Set Features command EFH Feature ValuePIO and DMA Data-Transfer Modes Upper 5 bitsStandby timer timeout period Sleep command 99H, E6HSector Count Register contents Corresponding timeout period Automatic ReallocationSynchronous DMA Transfer Signal Line Definitions Signal Line Definitions New Definitions Old DefinitionsProtocol Rules Error Register Field/Bit DescriptionAppendix. Timing diagrams Time Description Min MaxProgrammed I/O timing with Iordy TKR Time Description Mode Sustained Synchronous DMA burstPage 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.