Seagate ST310212A, ST315323A, ST320423A

26 U10 Family Product Manual , Rev. A

49 Standard Standby timer,

IORDY supported and may

be disabled 2F00H

50 Device-specific standby

timer value 0000H

51 PIO data-transfer cycle

timing mode 0200H

52 Retired 0200H

53 Words 54–58, 64–70 and 88

are valid 0007H

54 Number of current logical

cylinders

xxxx

55 Number of current logical

heads

xxxx

56 Number of current logical

sectors per logical track

xxxx

57–58 Current capacity in sectors

xxxx

59 Number of sectors trans-

ferred during a Read Multiple

or Write Multiple command

xxxx

60–61 Total number of user-addres-

sable LBA sectors available ST320423A = 40,011,300

ST315323A = 30,008,475

ST310212A = 20,005,650

62 Retired 0000H

63 Multiword DMA active and

modes supported (see note

following this table)

07H

64 Advanced PIO modes sup-

ported (modes 3 and 4 sup-

ported) 0003H

65 Minimum multiword DMA

transfer cycle time per word

(120 nsec) 0078H

Word Description Value

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).