Seagate ST310212A, ST315323A, ST320423A 1.7.1.1 Typical current profile

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U10 Family Product Manual, Rev. A 9

1.7.1.1 Typical current profile

Figure 1. Typical startup and operation current profile

Power Mode Typical Watts

RMS

Typical Amps RMS

5V 12V

Spinup — 0.65 1.5

Seeking (Random,

no read/write) 7.0 0.4 0.42

Operating (read/write) 6.5 0.46 0.350

Idle 3.5 0.28 0.170

Standby/Sleep 0.8 0.123 0.015

1.4

1.2

1.0

0.8

0.6

0.4

0.2

00123456789

Current (amps)

Time (seconds)

Contents

Main Page Page Page Contents Page Page Page Introduction 2 U10 Family Product Manual, Rev. A Specification summary table U10 Family Product Manual, Rev. A 3 4 U10 Family Product Manual, Rev. A 1.0 Drive specifications this drive 1.2 Physical organization n 1.3 Recording and interface technology 1.4 Physical characteristics Page Page 1.7.1.1 Typical current profile Page 1.8.2 Temperature gradient 1.8 Environmental tolerances 1.8.1 Ambient temperature Page 1.8.6.1 Operating vibration 1.8.6.2 Nonoperating vibration 1.9 Drive acoustics 1.10 Electromagnetic susceptibility 1.11 Reliability 1.12 Agency certification 1.12.1 Safety certification 1.12.2 Electromagnetic compatibility Australian CE-Tick (N176) 1.12.3 FCC verification Page 2.0 Configuring and mounting the drive 2.2 Jumper settings 2.2.1 Master/slave configuration Page 20 U10 Family Product Manual , Rev. A Figure 3. Mounting dimensionstop, side and end view Note: Dimensions are shown in inches (mm). 3.0 ATA interface 3.1 ATA interface signals and connector pins 22 U10 Family Product Manual , Rev. A Figure 4. I/O pins and supported ATA signals 3.1.1 Supported ATA commands Draft ATA-5 Standard. 3.1.2 Identify Drive command Draft ATA-5 Standard. x.xx Page Page Page 3.1.3 Set Features command (default). (default) 3.1.4 S.M.A.R.T. commands Draft ATA-5 Standard. (default).