Introduction
This manual describes the functional, mechanical and interface specifications
for Seagate® Barracuda® 5400.1 ST340015A model drives. This drive provides
the following key features:
• Low power consumption.
• High instantaneous (burst) data transfer rates (up to 100 Mbytes per second)
using Ultra DMA mode 5.
• Giant magnetoresistive (GMR) recording heads and EPRML technology
provide the drives with increased areal density.
• State-of-the-art cache and on-the-fly error-correction algorithms.
• Full-track multiple-sector transfer capability without local processor intervention.
• Quiet operation.
• 350 Gs nonoperating shock.
• SeaTools diagnostic software performs a drive self-test that eliminates
unnecessary drive returns.
• Support for S.M.A.R.T. drive monitoring and reporting.
• Support for drive self-test (DST) with S.M.A.R.T. Execute Off-lne Immediate.
• Support for Read Multiple and Write Multiple commands.
• Support for autodetection of master/slave drives that use cable select
(CSEL).
Drive specification ST340015A
Formatted Gbytes (x106 bytes) 40
Guaranteed sectors 78,165,360
Bytes per sector 512
Default sectors per track 63
Default read/write heads 16
Default cylinders 16,383
Physical read/write heads 1
Discs 1
Recording density BPI (bits/inch max) 475,127
Track density TPI (tracks/inch max) 94,000
Areal density (Mbits/inch2 max) 49,888
Spindle speed (RPM) 5,800
Internal data transfer rate (Mbits/sec) 511
I/O data transfer rate (Mbytes/sec max) 100
ATA data-transfer modes supported PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–5
Cache buffer (Mbytes) 2
Height (mm max) 19.99
Width (mm max) 102
Length (mm max) 146.9
Weight (typical) 454 grams (1.1 lb)
Average seek time (msec typical) 12.5 (read); 13.5 (write)
Track-to-track seek time (msec typical) 0.3 (read); 0.7 (write)
Read/write seek time (msec typical) 15.5 (read); 16.5 (write)
Full-stroke seek time (msec typical) 26 (read); 28 (write)
Power-on to ready (max) 6.5 seconds
Standby to ready (typical) 6.0 seconds
Spindown (typical) 10 seconds
Startup current (max) 1.20 amps (5V); 2.0 amps (12V)
Seek power (typical) 7.3 watts
Read/Write power 6.6 watts
Idle mode (typical) 5.0 watts
Standby mode (typical) 1.4 watts
Sleep mode (typical) 1.0 watts
Voltage tolerance (including noise) 5V +/- 5%; 12V +/- 10%
Ambient temperature 0° to 60°C (operating)
–40° to 70°C (nonoperating)
Temperature gradient (°C per hour max) 20°C (operating)
Relative humidity 5% to 90% (operating)
5% to 95% (nonoperating)
Relative humidity gradient 30% per hour max
Wet bulb temperature (°C max) 33 (operating)
40.0 (nonoperating)
Altitude, operating –60.96 m to 3,048 m
(–200 ft to 10,000+ ft)
Altitude, nonoperating
(below mean sea level, max)
–60.96 m to 12,192 m
(–200 ft to 40,000+ ft)
Shock, operating (Gs max at 2 msec) 63
Shock, nonoperating (Gs max at 1 and 2
msec)
350
Vibration, operating 0.5 Gs (0 to peak, 22–350 Hz)
Vibration, nonoperating 5 Gs (0 to peak, 22–350 Hz)
Drive acoustics
Sound power (bels)
Idle*
Quiet Seek
Performance Seek
2.6 (typical), 2.8 (max)
2.7 (typical), 2.9 (max)
2.8 (typical), 3.0 (max)
Nonrecoverable read errors 1 per 1014 bits read
Mean time between failures (power-on
hours)
600,000
Service life 5 years
Contact start-stop cycles (25°C, 40% relative
humidity)
50,000
SeaShield No
