Seagate Comprehensive Guide on Barracuda 7200.7 Jumper Settings and Power Management
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2.9.2Conducted noise

Input noise ripple is measured at the host system power supply across an equivalent 80-ohm resistive load on the +12 volt line or an equivalent 15-ohm resistive load on the +5 volt line.

•Using 12-volt power, the drive is expected to operate with a maximum of 120 mV peak-to-peak square-wave injected noise at up to 10 MHz.

•Using 5-volt power, the drive is expected to operate with a maximum of 100 mV peak-to-peak square-wave injected noise at up to 10 MHz.

Note. Equivalent resistance is calculated by dividing the nominal voltage by the typical RMS read/write current.

2.9.3Voltage tolerance

Voltage tolerance (including noise):

5V ± 5%

12V ± 10%

2.9.4Power-management modes

The drive provides programmable power management to provide greater energy efficiency. In most systems, you can control power management through the system setup program. The drive features the following power-management modes:

Power mode

Heads

Spindle

Buffer

 

 

 

 

Active

Tracking

Rotating

Enabled

 

 

 

 

Idle

Tracking

Rotating

Enabled

 

 

 

 

Standby

Parked

Stopped

Enabled

 

 

 

 

Sleep

Parked

Stopped

Disabled

 

 

 

 

•Active mode

The drive is in Active mode during the read/write and seek operations.

•Idle mode

The buffer remains enabled, and the drive accepts all commands and returns to Active mode any time disc access is necessary.

•Standby mode

The drive enters Standby mode when the host sends a Standby Immediate command. If the host has set the standby timer, the drive can also enter Standby mode automatically after the drive has been inactive for a specifiable length of time. The standby timer delay is established using a Standby or Idle command. In Standby mode, the drive buffer is enabled, the heads are parked and the spindle is at rest. The drive accepts all commands and returns to Active mode any time disc access is necessary.

•Sleep mode

The drive enters Sleep mode after receiving a Sleep command from the host. In Sleep mode, the drive buffer is disabled, the heads are parked and the spindle is at rest. The drive leaves Sleep mode after it receives a Hard Reset or Soft Reset from the host. After receiving a reset, the drive exits Sleep mode and enters Standby mode with all current translation parameters intact.

•Idle and Standby timers

Each time the drive performs an Active function (read, write or seek), the standby timer is reinitialized and begins counting down from its specified delay times to zero. If the standby timer reaches zero before any drive

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Barracuda 7200.7 Product Manual, Rev. E

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Contents Barracuda 7200.7 Plus Page Barracuda 7200.7 Plus Page Revision status summary sheet Page Contents Barracuda 7200.7 Product Manual, Rev. E List of Figures Viii Barracuda 7200.7 Product Manual, Rev. E Barracuda IntroductionBarracuda 7200.7 Plus Barracuda 7200.7 Product Manual, Rev. E Drive specifications Specification summary tableBarracuda 7200.7 Product Manual, Rev. E Default logical geometry LBA modeFormatted capacity Physical organizationPhysical characteristics Recording and interface technologyStart/stop times Power specificationsSeek time Power consumption Spinup powerSeek mode Read/write power and currentTypical current profile Typical 5V startup and operation current profilePower-management modes Active modeIdle mode Sleep modeEnvironmental specifications Acoustics Fluid Dynamic Bearing FDB motor acoustics Electromagnetic immunityReliability Safety certification Agency certificationElectromagnetic compatibility Korean RRLFCC verification Barracuda 7200.7 Product Manual, Rev. E Configuring and mounting the drive Handling and static discharge precautionsBreather filter hole precautions Breather filter hole locationJumper settings Master/slave configurationDrive as master with a non-ATA-compatible slave Cable-select optionDrive mounting Ultra ATA/100 cableMounting dimensions-top, side and end view Barracuda 7200.7 Product Manual, Rev. E ATA interface signals and connector pins ATA interfaceO pins and supported ATA signals Supported ATA commands Command name Command code in hex ATA-standard commandsCommand name Command code in hex Identify Device command Word Description ValueXx07H Description if bit is set to Bit Word Set Features command 0CH4 S.M.A.R.T. commands Code in features A.R.T. command RegisterBarracuda 7200.7 Product Manual, Rev. E Seagate Technology support services Internet MySeagateReseller.seagate.com Seagate Online StoreWarranty Service Authorized Service CentersPresales Support Technical SupportToll-Free Support Numbers FAX Services-All European Countries toll callCall Center Presales and Technical Support Warranty Service Asia/Pacific Support Services Index NumericsPage Page Barracuda 7200.7 Product Manual, Rev. E Page Seagate Technology LLC
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ST360014A, 7200.7 Plus, ST3120026A, ST3120022A, ST380011A specifications

The Seagate ST380011A, ST3160021A, ST340014A, ST3120026A, and ST380013A are notable hard disk drives from Seagate’s extensive lineup, each designed for reliability and performance in various computing environments. With a blend of technologies and specifications, these drives cater to a variety of storage needs.

Starting with the ST380011A, this model features an 80 GB capacity and operates at a rotational speed of 7200 RPM. It utilizes the ATA-100 interface, ensuring efficient data transfer rates. The drive incorporates an advanced error correction technology and is designed for a low-latency performance, making it suitable for desktop applications and personal computing.

Next, the ST3160021A offers increased storage with a 160 GB capacity, also running at 7200 RPM and using the ATA-100 interface. Its additional storage capabilities make it ideal for users needing more space for multimedia files and software. The drive is equipped with a 2 MB cache, enhancing its read and write speeds, which is advantageous for intensive tasks such as gaming or video editing.

Moving on to the ST340014A, this model raises the bar with a 400 GB capacity while still maintaining the 7200 RPM speed. The drive employs a Serial ATA (SATA) interface, which facilitates quicker data transfer compared to its predecessors. The ST340014A’s large cache size of 8 MB provides better performance, especially during multitasking scenarios. This model is particularly well-suited for more demanding computing environments where larger data storage is crucial.

The ST3120026A is another key player in this lineup, featuring a 120 GB capacity and also utilizing the SATA interface. With up to 7200 RPM operational speed, this drive excels at providing quick access to data. Its reliability and performance make it an excellent choice for both personal and professional use.

Lastly, the ST380013A delivers an 80 GB capacity similar to the ST380011A but offers enhancements in data access speeds due to updated firmware features. This model is tailored for home and small office environments, where efficient data retrieval is essential.

In summary, these Seagate hard disk drives represent a mix of capacities and performance features, catering to a variety of user needs. With advancements in interface technologies, rotational speed, and data caching, they continue to underscore Seagate's position as a leader in the storage solutions market. Whether for basic computing or more intensive applications, these drives provide reliable options.
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