HP 8829 (LA) manual Environmental tolerances Ambient temperature, Temperature gradient, Humidity

Page 18

U Series 5 Family Product Manual, Rev. B

11

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 activity is required, the drive makes a transition to Standby mode. In both Idle and Standby mode, the drive accepts all commands and returns to Active mode when disc access is necessary.

1.8 Environmental tolerances

1.8.1 Ambient temperature

Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Actual drive case temperature should not exceed 65°C (149°F) within the operating ambient conditions. Rec- ommended measurement locations are shown in Figure 3 on page 20.

Above 1,000 feet (305 meters), the maximum temperature is derated linearly to 112°F (44°C) at 10,000 feet (3,048 meters).

Operating

0° to 60°C (32° to 131°F)

Nonoperating

–40° to 70°C (–40° to 158°F)

1.8.2 Temperature gradient

Operating/Nonoperating 20°C per hour (36°F per hour) max, without condensation

1.8.3 Humidity

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Contents Series 5 Family Series 5 Family Page Contents Configuring and mounting the drive ATA interfaceFigures Series 5 Family Product Manual, Rev. B Introduction Specification summary table ST340823A ST330621A Wet bulb tempera Ture C max Default logical geometry LBA ModeFormatted capacity Physical characteristics Physical organizationRecording and interface technology Power specifications Seek timeStart/stop times Power consumption Power Mode Typical Watts Typical Amps RMS 12V Typical current profileConducted noise Active mode Power-management modesPower Modes Heads Spindle Buffer Idle modeSleep mode Environmental tolerances Ambient temperatureTemperature gradient Idle and Standby timersAltitude 3.2 Wet bulb temperature3.1 Relative Humidity ShockNonoperating vibration Drive acousticsElectromagnetic immunity ReliabilityAgency certification Safety certification Electromagnetic compatibilityKorean RRL FCC verification Australian C-Tick N176Configuring and mounting the drive Handling and static-discharge precautionsJumper settings Master/slave configuration Drive as master with a non-ATA-compatible slaveOptions jumper block Cable-select option Alternate capacity jumperUltra ATA/100 cable Mounting dimensions-top, side and end view Drive mountingATA interface signals and connector pins ATA interfaceO pins and supported ATA signals Supported ATA commands Command name Command code in hex ATA-standard commandsATA-standard power-management commands Identify Drive commandCommand name ATA-standard security commandsWord Description 0C5AHWord Description Value Xx07HXx3FH Description if bit is set to Bit Word Bit WordSet Features command 4 S.M.A.R.T. commands 0CHCode in Features A.R.T. Command Register Page
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