Seagate ST310212A, ST315323A, ST320423A 1.0 Drive specifications

U10 Family Product Manual, Rev. A 5

1.0 Drive specifications

Unless otherwise noted, all specifications are measured under ambient

conditions, at 25°C, and nominal power. For convenienc e, t he phr as es

and

are used throughout this manual to indicate the

ST320423A, ST315323A and the ST310212A.

LBA Mode

When addressing these drives in LBA mode, all blocks (sectors) are

consecutively numbered from 0 to

where

the number of

guaranteed sectors as defined above

Drive Model Guaranteed Mbytes

(1 Mbyte = 106 bytes) Guaranteed

sectors Bytes per

sector

ST320423A 20,485 40,011,300 512

ST315323A 15,364 30,008,475 512

ST310212A 10,242 20,005,650 512

CHS Mode Cylinders Rea d/Write heads Sectors per track

ST320423A 16,383 16 63

ST315323A 16,383 16 63

ST310212A 16,383 16 63

Drive Model Read/Write heads (GMR) Number of discs

ST320423A 4 2

ST315323A 3 2

ST310212A 2 1

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).