Seagate ST310212A, ST315323A, ST320423A 3.0 ATA interface

U10 Family Product Manual, Rev. A 21

3.0 ATA interface

These drives use the industry-standard ATA task file interface that

supports 16-bit data transfers. It supports ATA programmed input/output

(PIO) modes 0–4; multiword DMA modes 0–2, and Ultra DMA mod es

0–4. The drive also supports the use of the IORDY signal to pr ovide

reliable high-speed data transfers.

You can use a daisy-chain cable to connect two drives to a si ngle AT

host bus. For detailed information about the ATA interface, refer to th e

draft of

AT Attachment with Packet Interface Extension (ATA/ATAPI-5),

NCITS T13 1153D,

subsequently referred to as the

Draft ATA-5 Stan-

dard

Figure 4 on page 22 summarizes the signals on the ATA interface

connector that the drive supports. For a detailed description o f these

signals, refer to the

Draft ATA-5 Standard.

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).