Medalist Pro 6450/6451 Product Manual, Rev. B

37

 

 

 

Appendix. Timing diagrams

Without IORDY, the drives operate at programmed I/O timing specifica- tions, as shown below.

Address valid

DIORand DIOW

Write data valid

Read data valid

IOCS16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T7

 

 

 

 

T5

 

T6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T1

T3

 

T4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T2

 

 

T9

 

T8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T0

 

 

 

 

 

 

Figure 8. Programmed I/O timing without IORDY

Time

Description

Min

Max

T0

Cycle time

200 nsec

 

 

 

 

T1

Drives address (CS1FX–, CS3FX–,

30 nsec

 

DA0, DA1 and DA2) valid and

 

 

 

DIOR– and DIOW setup

 

 

T2

DIOW– or DIOR– pulse width

80 nsec

T3

DIOW– data setup

30 nsec

 

 

 

 

T4

DIOW– data hold

15 nsec

 

 

 

 

T5

DIOR– data setup

20 nsec

 

 

 

 

 

T6

DIOR– data hold

5 nsec

T7

DIOW– or DIOR– to address valid hold

40 nsec

T8

DIOW– false to write data hold

30 nsec

 

 

 

 

T9

DIOR– false to read data hold

10 nsec

 

 

 

 

 

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Seagate 6450, 6451 manual Appendix. Timing diagrams, Time Description Min Max

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.