Seagate ST32112A - page 34

26 U4 Family Product Manual, Rev. D

27–46 Drive model number: (40 ASCII char-

acters, padded with blanks to end of

string)

ST32112A

ST34311A

ST36421A

ST38421A

47 (Bits 7–0) Maxim um sectors per inter-

rupt on Read multiple and Write mul-

tiple (16)

8010H

48 Reserved 0000H

49 Standard Stand by timer, IORDY

supported and may be disabled 2F00H

50 ATA-reserved 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 curren t logical cylinders

xxxx

H

55 Number of curren t logical heads

xxxx

H

56 Number of current logi cal sectors per

logical track

xxxx

H

57–58 Current capacity in sectors

xxxx

H

59 Number of sectors trans ferred during

a Read Multiple or Write Multiple

command

xxxx

H

60–61 Total number of user-addressable

LBA sectors available:

ST32112A = 4,225,536

ST34311A = 8,452,080

ST36421A = 12,596,850

ST38421A = 16,498,944

7A00H 0040H

(ST32112A)

F7F0H 0080H

(ST34311A)

3672H 00C0H

(ST36421A)

C100H 00FBH

(ST38421A)

62 Retired 0000H

Word Description Value

Contents

Main Page Page Page Contents Page Page Page Page 2 U4 Family Product Manual, Rev. D Specification summary table U4 Family Product Manual, Rev. D 3 4 U4 Family Product Manual, Rev. D 1.0 Drive specifications this drive 1.2 Physical organization n 1.3 Recording and interface technology 1.4 Physical characteristics 1.5 Seek time 1.6 Start/stop times 1.7 Power specifications 1.7.1 Power consumption Page 1.7.1.1 Typical current profile Page Page 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 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 U4 Family Product Manual, Rev. D Note: Dimensions are shown in inches (mm). Figure 3. Mounting dimensionstop, side and end view 3.0 ATA interface 3.1 ATA interface signals and connector pins 22 U4 Family Product Manual, Rev. D Figure 4. I/O pins and supported ATA signals 3.2 ATA Interface commands 3.2.1 Supported ATA commands Draft ATA-4 Standard. 3.2.2 Identify Drive command Draft ATA-4 Standard. Page Page Page Page 3.2.3 Set Features command (default). (default) 3.2.4 S.M.A.R.T. commands Draft ATA-4 Standard. (default).