28

U8 Family Product Manual, Rev. B

 

 

 

Word

Description

Value

 

 

 

 

 

 

91

Advanced Power Manage-

0040H

 

ment value

 

 

 

 

92

Master Password Revision

FFFEH

 

code

 

 

 

 

93

Hardware Reset Value

xxxxH

 

(see description following

 

 

this table)

 

 

 

 

94–127

ATA-reserved

0000H

 

 

 

128

Security Status

0001H

 

 

 

129–159

Seagate-reserved

xxxxH

 

 

 

160–254

ATA-reserved

0000H

 

 

 

255

Integrity word

xxA5H

 

 

 

Note. See the bit descriptions below for words, 63, 88 and 93 of the Identify Drive data:

Description (if bit is set to 1)

Bit Word 63

0Multiword DMA mode 0 is supported.

1Multiword DMA mode 1 is supported.

2Multiword DMA mode 2 is supported.

8Multiword DMA mode 0 is currently active.

9Multiword DMA mode 1 is currently active.

10Multiword DMA mode 2 is currently active.

Bit Word 88

0Ultra DMA mode 0 is supported.

1Ultra DMA mode 1 is supported.

2Ultra DMA mode 2 is supported.

3Ultra DMA mode 3 is supported.

Page 35
Image 35
HP 6563Z (US), 6671 (LA), 6642D (US), 6641 (LA), 6553 (US) manual xxxxH, xxA5H, Description if bit is set to Bit Word

6573Z (US) specifications

The HP 8566C, 6573Z, 6647, 6671, and 6641 are examples of cutting-edge test equipment from Hewlett-Packard, now known as Agilent Technologies. Each of these models serves essential functions within the realm of RF and microwave signal analysis, tailored to meet the demands of engineers and technicians in various industries, including telecommunications, aerospace, and electronics.

The HP 8566C is a signal analyzer that provides comprehensive analysis, particularly useful for multi-channel and high-frequency signals. A notable feature of this model is its frequency range, which spans from 0.1 Hz to 26.5 GHz, making it suitable for a wide variety of applications. The instrument's advanced capabilities such as phase noise measurement, frequency response analysis, and spectrogram displays cater to precise and complex signal characterizations. The built-in tracking generator further enhances its utility, enabling users to test filters, amplifiers, and antenna systems efficiently.

On the other hand, the HP 6573Z is a precision DC power supply that is critical for testing and characterizing devices under various power conditions. It delivers high accuracy and stable output across a wide range of voltage and current options. This model integrates features like programmable voltage and current limits, allowing for customized test scenarios, essential for designers needing reliable power sources during the prototyping phase.

The HP 6647 and 6671 models are versatile electronic loads, primarily designed for battery testing and power supply validation. They support various testing modes, including constant current, constant voltage, and constant resistance modes, which provide flexibility for power electronics engineers. Their robust measurement capabilities allow for detailed analysis of response characteristics, load transients, and efficiency metrics.

Lastly, the HP 6641 complements this lineup by offering high-performance test equipment with similar applications in power electronics. It features intuitive interfaces and advanced programming capabilities, enabling streamlined automation of test procedures.

In conclusion, the HP 8566C, 6573Z, 6647, 6671, and 6641 collectively embody sophisticated testing capabilities in signal analysis and power electronics. Their features, ranging from high-frequency performance to accuracy in power delivery, make them indispensable in the modern technological landscape. These instruments support continuous innovation while ensuring the reliability of devices that are critical to both consumer and industrial sectors.