Seagate ST3120213ACE, ST3160212ACE, ST3200827ACE, ST3250824ACE, ST3300822ACE User Manual

...

Product Manual

DB35 Series 7200.2

ST3500841ACE ST3400833ACE ST3300822ACE ST3250824ACE ST3200827ACE ST3160212ACE ST3120213ACE ST3802110ACE

100389999 Rev . D

August 2007

August 2007 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC

in the United States and/or other countries. DB35 Series, SeaTools and SeaTDD are either trademarks or registered trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and/or other countries. All other trademarks or registered trademarks are the property of their respective owners.

One gigabyte, or GB, equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on oper ating envi ronme nt and for matting. Seagate reserves the right to chan ge, wi thout notice, product offerings or specifications.

DB35 Series 7200.2 Product Manual, Rev. D

Contents

1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.1 Specification summary table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.2 Formatted capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.2.1 LBA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.3 Default logical geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.4 Recording and interface technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.5 Physical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.6 Seek time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.7 Start/stop times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.8 Power specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.8.1 Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.8.2 Conducted noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.8.3 Voltage tolerance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.8.4 Power-management modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.9 Environmental specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.9.1 Ambient temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.9.2 Temperature gradient. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.9.3 Humidity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.9.4 Altitude. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.9.5 Shock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.9.6 Vibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.10 Acoustics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.11 Electromagnetic immunity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.12 Reliability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.13 Agency certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.13.1 Safety certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.13.2 Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.13.3 FCC verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.14 Environmental protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.14.1 European Union Restriction of Hazardous Substances (RoHS) . . . . . . . . . . . . 20

2.15 Corrosive environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.0 Configuring and mounting the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.1 Handling and static discharge precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.2 Breather filter hole precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3.3 Jumper settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

3.3.1 Master/slave configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

3.3.2 Cable-select option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

3.3.3 Alternate capacity jumper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

3.3.4 Ultra ATA/100 cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.4 Drive mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

4.0 ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

4.1 ATA interface signals and connector pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

4.1.1 Supported ATA commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

4.1.2 Identify Device command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

4.1.3 Set Features command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

4.1.4 S.M.A.R.T. commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

5.0 Seagate Technology support services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

DB35 Series 7200.2 Product Manual, Rev. D

iii

List of Figures

Figure 1. Typical 5V startup and operation current profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 2. Typical 12V startup and operation current profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 3. Breather filter hole location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 4. Master/slave jumper settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 5. Ultra ATA cable connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 6. Mounting dimensions—top, side and end view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 7. I/O pins and supported ATA signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

DB35 Series 7200.2 Product Manual, Rev. D

1.0 Introduction

This manual describes the functional, mechanical and interface specifications for the following Seagate® DB35 Series 7200.2 model drives:

• ST3500841ACE

• ST3400833ACE

• ST3300822ACE

• ST3250824ACE

• ST3200827ACE

• ST3160212ACE

• ST3120213ACE

• ST3802110ACE These drives provide the following key features:

• Minimal acoustics for consumer storage usage profile.

• Bedroom quiet performance.

• Optimized power for consumer storage devices.

• Spinup current limited to a maximum of 2 amps.

• 7,200-RPM spindle speed

• 8-Mbyte buffer: ST3500841ACE, ST3400833ACE, ST3300822ACE, ST3250824ACE, and ST3200827ACE.

• 2-Mbyte buffer: ST3160212ACE, ST3120213ACE, and ST3802110ACE.

• High instantaneous (burst) data transfer rates (up to 100 Mbytes per second) using Ultra DMA mode 5.

• Tunneling Magnetoresistive (TMR) recording heads.

• State-of-the-art cache and on-the-fly error-correction algorithms.

• Full-track multiple-sector transfer capability without local processor intervention.

• 350 Gs nonoperating shock.

• Support for S.M.A.R.T. drive monitoring and reporting.

• Support for Read Multiple and Write Multiple commands.

• Support for autodetection of master/slave drives that use cable select (CSEL).

• SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns.

• The 3D Defense System™, which includes Drive Defense, Data Defense, and Diagnostic Defense, offers the industry’s most comprehensive protection for disc drives.

DB35 Series 7200.2 Product Manual, Rev. D

2.0 Drive specifications

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate the following models:

ST3500841ACE ST3250824ACE ST3120213ACE ST3400833ACE ST3200827ACE ST3802110ACE ST3300822ACE ST3160212ACE

2.1 Specification summary table

The specifications listed in this table are for quick reference. For details on specification measurement or definition, see the appropriate section of this manual.

DB35 Series 7200.2 Product Manual, Rev. D

T a ble 1: Dri ve specifications for 500 and 400 Gbyt e m odels

Drive specification ST3500841ACE ST3400833ACE

Formatted Gbytes (512 bytes/sector)* 500 400 Guaranteed sectors 976,773,168 781,422,768 Bytes per sector 512 Default sectors per track 63 Default read/write heads 16 Default cylinders 16,383 Recording density, KBPI (kbits/in max) 790.1 Track density, KTPI (ktracks/in max) 124.5 Areal density, (Gbits/in2 max) 97.96 Spindle speed (RPM) 7,200 Internal data transfer rate (Mbits/sec max) 815.2 Sustained data transfer rate (Mbytes/sec max) 65.0 I/O data-transfer rate (Mbytes/sec max) 100 ATA data-transfer modes supported PIO modes 0–4

Cach e buffer 8 Mbytes Height (mm max) 26.1 mm (1.028 inches) Width (mm max) 101.6 mm (4.000 inches) +/- 0.010 inches Length (mm max) 146.99 mm (5.787 inches) Weight (typical) 710 grams (1.57 lb.) Average latency (msec) 4.16 Power-on to ready (sec max) 16 sec Standby to ready (sec max) 16 sec Track-to-track seek time (msec typical) <0.8 (read), <1.0 (write) Average seek (msec typical) 18 (read), 20 (write) Startup current (typical) 12V (peak) 2.0 amps Seek power (typical) 12.60 watts Operating (Consumer Storage Profile) 9.20 watts Operating (PVR Storage Profile 4.88 watts Idle mode (typical) 8.00 watts Standby mode (typical) 0.80 watts Sleep mode (typical) 0.80 watts Voltage tolerance (including noise) 5V ± 5%

Ambient temperature 0° to 60°C (operating)

Temperature gradient (°C per hour max) 20°C (operating)

Relative humidity 5% to 90% (operating)

Relative humidity gradient 30% per hour max Wet bulb temperature (°C max) 37.7 (operating)

Altitude, operating –60.96 m to 3,048 m

Altitude, nonoperating (below mean sea level, max) –60.96 m to 12,192 m

Multiword DMA modes 0–2 Ultra DMA modes 0–5

12V ± 10%

–40° to 70°C (nonoperating)

30°C (nonoperating)

5% to 95% (nonoperating)

40.0 (nonoperating)

(–200 ft. to 10,000+ ft.)

(–200 ft. to 40,000+ ft.)

DB35 Series 7200.2 Product Manual, Rev. D

Drive specification ST3500841ACE ST3400833ACE

Operational Shock (max at 2 msec) 63 Gs Non-Operational Shock (max at 2 msec) 300 Gs Vibration, operating 5-22 Hz: +/-0.25”, Displacement limited

Vibration, nonoperating 5-22 Hz: +/-0.25”, Displacement limited

Drive acoustics, sound power Idle** (bels) 2.79 (typical)

Operational, CE seeks (bels) 2.82 (typical)

Operational, PVR seeks (bels) 2.71 (typical)

Nonrecoverable read errors 1 per 10 Annualized Failure Rate (AFR) 0.70% Warranty 5 years on distribution units.

Contact start-stop cycles (25°C, 50% rel. humidity) 50,000

22-350 Hz: 0.5 Gs 350-500 Hz: 0.25 Gs

22-350 Hz: 5.0 Gs 350-500 Hz: 1.0 Gs

2.96 (max)

2.97 (max)

2.88 (max)

bits read

To determine the warranty for a specific drive, use a web browser to access the following web page: www.seagate.com/support/service/ From this page, click on the “Verify Y our Warranty” link. You will be asked to provide the drive serial number, model number (or part number) and country of purchase. The system will display the warranty information for your drive.

2.59 (typical)

2.75 (max)

2.75 (typical)

2.90 (max)

2.61 (typical)

2.75 (max)

*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment

and formatting.

**During period s of driv e idle, some offline activity may occu r ac cor ding to th e S. M.A .R. T. spe cif icat ion, whi ch ma y in crease acoustic and

power to operational levels.

DB35 Series 7200.2 Product Manual, Rev. D

T a ble 2: Drive specifications for 300, 250, and 200 Gbyte models

Drive specification ST3300822ACE ST3250824ACE ST3200827ACE

Formatted Gbytes (512 bytes/sector)* 300 250 200 Guaranteed sectors 586,072,368 488,397,168 390,721,968 Bytes per sector 512 Default sectors per track 63 Default read/write heads 16 Default cylinders 16,383 Recording density, KBPI (kbits/in max) 790.1 Track density, KTPI (ktracks/in max) 124.5 Areal density, (Gbits/in2 max) 97.69 Spindle speed (RPM) 7,200 Internal data transfer rate (Mbits/sec max) 867.2 Sustained data transfer rate (Mbytes/sec max) 76.6 I/O data-transfer rate (Mbytes/sec max) 100 ATA data-transfer modes supported PIO modes 0–4

Cach e buffer 8 Mbytes Height (mm max) 26.1 mm (1.028 inches) Width (mm max) 101.6 mm (4.000 inches) +/- 0.010 inches Length (mm max) 146.99 mm (5.787 inches) Weight (typical) 655 grams (1.44 lb.) 580 grams (1.28 lb.) Average latency (msec) 4.16 Power-on to ready (sec max) 16 sec Standby to ready (sec max) 16 sec Track-to-track seek time (msec typical) <0.8 (read), <1.0 (write) Average seek (msec typical) 18 (read), 20 (write) Startup current (typical) 12V (peak) 2.0 amps Seek power (typical) 12.40 watts Operating (Consumer Storage Profile) 9.25 watts Operating (PVR Storage Profile 4.88 watts Idle mode (typical) 8.00 watts Standby mode (typical) 0.80 watts Sleep mode (typical) 0.80 watts Voltage tolerance (including noise) 5V ± 5%

Ambient temperature 0° to 60°C (operating)

Temperature gradient (°C per hour max) 20 °C (ope rating )

Relative humidity 5% to 90% (operating)

Relative humidity gradient 30% per hour max Wet bulb temperature (°C max) 37.7 (operating)

Altitude, operating –60.96 m to 3,048 m

Altitude, nonoperating (below mean sea level, max) –60.96 m to 12,192 m

Multiword DMA modes 0–2 Ultra DMA modes 0–5

12V ± 10%

–40° to 70°C (nonoperating)

30°C (nonoperating)

5% to 95% (nonoperating)

40 (nonoperating)

(–200 ft. to 10,000+ ft.)

(–200 ft. to 40,000+ ft.)

DB35 Series 7200.2 Product Manual, Rev. D

Drive specification ST3300822ACE ST3250824ACE ST3200827ACE

Operational Shock (max at 2 msec) 63 Gs Non-Operational Shock (max at 2 msec) 350 Gs Vibration, operating 5-22 Hz: 0.25 Gs, Limited displacement

Vibration, nonoperating 5–22 Hz: 0.25 Gs, Limited displacement

Drive acoustics, sound power Idle* (bels) 2.67 (typical)

Operational, CE seeks (bels) 2.80 (typical)

Operational, PVR seeks (bels) 2.68 (typical

Nonrecoverable read errors 1 per 10 Annualized Failure Rate (AFR) 0.70% Warranty 5 years on distribution units.

Contact start-stop cycles (25°C, 50% rel. humidity) 50,000

22-350 Hz: 0.5 Gs 350-500 Hz: 0.25 Gs

22-350 Hz: 5.0 Gs 350-500 Hz: 1.0 Gs

2.82 (max)

2.90 (max)

2.80 (max)

bits read

To determine the warranty for a specific drive, use a web browser to access the following web page: www.seagate.com/support/service/ From this page, click on the “Verify Your Warranty” link. You will be asked to provide the drive serial number, model number (or part number) and country of purchase. The system will display the warranty information for your drive.

*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment

and formatting.

**During period s of driv e idle, some offline activity may occu r ac cor ding to th e S. M.A .R. T. spe cif icat ion, whi ch ma y in crease acoustic and

power to operational levels.

DB35 Series 7200.2 Product Manual, Rev. D

T a ble 3: Drive specifications for 160, 120, and 80 Gbyte models

Drive specification ST3160212ACE ST3120213ACE ST3802110ACE

Formatted Gbytes (512 bytes/sector)* 160 120 80 Guaranteed sectors 312,581,808 234,441,648 156,301,488 Bytes per sector 512 Default sectors per track 63 Default read/write heads 16 Default cylinders 16,383 Recording density, KBPI (kbits/in max) 840.0 Track density, KTPI (ktracks/in max) 141.5 Areal density, (Gbits/in2 max) 119.0 Spindle speed (RPM) 7,200 Internal data transfer rate (Mbits/sec max) 867.2 Sustained data transfer rate (Mbytes/sec max) 83.0 I/O data-transfer rate (Mbytes/sec max) 100 ATA data-transfer modes supported PIO modes 0–4

Cach e buffer 2 Mbytes Height (mm max) 26.1 mm (1.028 inc hes) Width (mm max) 101.6 mm (4.000 inches) +/- 0.010 inches Length (mm max) 146.99 mm (5.787 inches) Weight (typical) 580 grams (1.28 lb.) Average latency (msec) 4.16 Power-on to ready (sec max) 16 sec Standby to ready (sec max) 16 sec Track-to-track seek time (msec typical) <0.8 (read), <1.0 (write) Average seek (msec typical) 18 (read), 20 (write) Startup current (typical) 12V (peak) 2.0 amps Seek power (typical) 12.40 watts Operating (Consumer Storage Profile) 9.25 watts Operating (PVR Storage Profile 4.91 watts Idle mode (typical) 8.00 watts Standby mode (typical) 0.80 watts Sleep mode (typical) 0.80 watts Voltage tolerance (including noise) 5V ± 5%

Ambient temperature 0° to 60°C (operating)

Temperature gradient (°C per hour max) 20°C (operating)

Relative humidity 5% to 90% (operating)

Relative humidity gradient 30% per hour max Wet bulb temperature (°C max) 37.7 (o perating)

Altitude, operating –60.96 m to 3,048 m

Altitude, nonoperating (below mean sea level, max) –60.96 m to 12,192 m

Multiword DMA modes 0–2 Ultra DMA modes 0–5

12V ± 10%

–40° to 70°C (nonoperating)

30°C (nonoperating)

5% to 95% (nonoperating)

40 (nonoperating)

(–200 ft. to 10,000+ ft.)

(–200 ft. to 40,000+ ft.)

DB35 Series 7200.2 Product Manual, Rev. D

Drive specification ST3160212ACE ST3120213ACE ST3802110ACE

Operational Shock (max at 2 msec) 63 Gs Non-Operational Shock (max at 2 msec) 350 Gs Vibration, operating 5-22 Hz: +/-0.25”, Displacement limited

Vibration, nonoperating 5-22 Hz: +/-0.25”, Displacement limited

Drive acoustics, sound power Idle** (bels) 2.48 (typical)

Operational, CE seeks (bels) 2.65 (typical)

Operational, PVR seeks (bels) 2.53 (typical)

Nonrecoverable read errors 1 per 10 Annualized Failure Rate (AFR) 0.70% Warranty 5 years on distribution units.

Contact start-stop cycles (25°C, 50% rel. humidity) 50,000

22-350 Hz: 0.5 Gs 350-500 Hz: 0.25 Gs

22-350 Hz: 5.0 Gs 350-500 Hz: 1.0 Gs

2.64 (max)

2.95 (max)

2.62 (max)

bits read

To determine the warranty for a specific drive, use a web browser to access the following web page: www.seagate.com/support/service/ From this page, click on the “Verify Your Warranty” link. You will be asked to provide the drive serial number, model number (or part number) and country of purchase. The system will display the warranty information for your drive.

2.46 (typical

2.65 (max)

2.57 (typical

2.64 (max)

2.50 (typical

2.57 (max)

2.43 (typical

2.51 (max)

2.61 (typical)

2.63 (max)

2.45 (typical)

2.51 (max)

*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment

and formatting.

**During period s of driv e idle, some offline activity may occu r ac cor ding to th e S. M.A .R. T. spe cif icat ion, whi ch ma y in crease acoustic and

power to operational levels.

DB35 Series 7200.2 Product Manual, Rev. D

2.2 Formatted ca pacity

Model

ST3500841ACE 500 Gbytes 976,773,168 512 ST3400833ACE 400 Gbytes 781,422,768 512 ST3300822ACE 300 Gbytes 586,072,368 512 ST3250824ACE 250 Gbytes 488,397,168 512 ST3200827ACE 200 Gbytes 390,721,968 512 ST3160212ACE 160 Gbytes 312,581,808 512 ST3120213ACE 120 Gbytes 234,441,648 512 ST3802110ACE 80 Gbytes 156,301,488 512

*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment

and formatting.

Formatted capacity*

Guaranteed sectors

Bytes per sector

2.2.1 LBA mode

When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1, where n is the number of guaranteed sectors as defined above.

See Section 4.1.2, "Identify Device command" (words 60-61 and 100-103) for additional information about 48bit addressing support of drives with capacities over 137 Gbytes.

2.3 Default logi cal geometry

Cylinders Read/write heads Sectors per track

16,383 16 63

LBA mode

When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1, where n is the number of guaranteed sectors as defined above.

2.4 Record i n g an d i nt erface technol o gy

Interface ATA Recording method 16/17 EPRML Recording density KBPI (kbits/inch max)

ST3500841ACE, ST3400833ACE, ST3300822ACE, ST3250824ACE, ST3200827ACE

ST3160212ACE, ST3120213ACE, ST38021 10ACE 840.0

Track density KTPI (ktracks/inch max)

ST3500841ACE, ST3400833ACE, ST3300822ACE, ST3250824ACE, ST3200827ACE

790.1

124.5

ST3160212ACE, ST3120213ACE, ST38021 10ACE 141.5

Areal density (Gbits/inch2 max)

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