Seagate ST310212A, ST315323A, ST320423A 1.3 Recording and interface technology, 1.4 Physical characteristics

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6 U10 Family Product Manual, Rev. A

1.3 Recording and interface technology1.4 Physical characteristics

Interface ATA

Recording method 24/26 EPRML

Recording density BPI (bits/inch) 396,067

Track density TPI (tracks/inch) 20,107

Areal density (Mbits/inch2 max) 7,964

Spindle speed (RPM) (± 0.2%) 5,400

Internal data-transfer rate

(Mbits/sec max) 308

I/O data-transfer rate

(Mbytes/sec max) 16.6 (PIO mode 4)

66.6 (Ultra DMA mode 4)

Interleave 1:1

Cache buffer (Kbytes) 512

Drive Specification ST320423A, ST315323A

ST310212A

Maximum height (mm)

(inches) 26.1

1.028

Maximum width (mm)

(inches) 101.85

4.00

Maximum length (mm)

(inches) 147.0

5.78

Typical weight (grams)

(pounds) 544

1.2

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).