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This manual describes the functional, mechanical and interface specifications for the Medalist
®
2132 hard disc drive. The drive is referred to
throughout this manual by its model number, ST32132A.
The ST32132A drive is designed to meet the needs of entry-level to
midrange desktop computers. It is a standard 3.5-inch form-factor drive
that features PRML recording technology, advanced transfer modes,
multiple block read/ write, segmented cache, power management and
S.M.A.R.T. capabilities. The drive’s 2.1-Gbyte capacity provides ample
space to store large sof tware programs and allows these programs to
run efficiently.
Fast ATA-3 performance is available on this drive. The Medalist 2132
supports advanced PIO modes 3 and 4 and advanced multiword DMA
modes 1 and 2 for burs t transfer rates up to 16.6 Mbytes per second.
The drive supports multiple block read/write, which allows it to store
contiguous blocks of data in its128-Kbyte segmented cache and to
transfer the blocks in a single burst.
The drive supports power-management modes f or energy-efficient operation. Power dissipation falls to 0.84W (typical) in Standby mode. The
drive enters power-saving modes at the reques t of t he host. I t can also
be programmed to automatically enter power-saving modes using the
Idle timer or Standby timer commands. The power-management modes
the drive supports are discussed in Section 1.7.1 on page 8. The
power-management commands the drive supports are listed in the
ATA-command table on page 25.
2Medalist 2132 Product Manual, January 1997
Specifications summary table
The following table serves as a quick reference for the ST32132A
performance specifications. These and other specifications are discussed in the Drive Specifications section following the table.
Drive specificationST32132A
Guaranteed capacity (Mbytes
Guaranteed sect or s4,127,760
Bytes per secto r512
Sectors per track63
Logical Read/Write heads16
Logical cylinders4,095
Physical Rea d/ Write heads6
Physical discs3
Recording density (kbits)89
Track d ensi t y ( tracks per inch)5,435
Spindle speed (R PM)4,504
Track-to-track seek time (msec typical)2.5
Average see k tim e ( m sec typical)12.5
Full-stroke seek tim e (msec typica l)30
Average lat ency (m sec)6.66
Internal data-transfer rate (Mbits per sec max)35 to 68.0
External tran sf er rate (Mbytes per sec max) PI O mode 16.6
External transfer rate (Mbytes per sec max) DMA mode 16.6
Cache buffer (Kbytes)128
Height (inches max)1.00
Width (inche s m ax)4.02
Depth (inches max)5.77
Typical weight (lb)1.3
Power-on to re ady ( sec typical)7
Spinup curren t (t ypi cal)1.31A
1
) (×106 bytes)2,113.413
__________________________
1. One Mbyte equals one million bytes.
Medalist 2132 Product Manual, January 19973
Drive specificationST32132A
Seek power (typical)5.98W
Read/Writ e pow er ( ty pi cal)4.97W
Idle total powe r (t ypi cal )3.24W
Standby power (typical)0.84W
Volta ge t o ler ance (including noise) : +5V
Volta ge t o ler ance (including noise) : +12V
Operating tem per at ur e ( °C)5° to 55°C
Nonoperatin g te m per at ur e (°C )–40° t o 70°C
Operating tem per at ur e gr adient (°C per hour max)20° C
Relative humidi t y, operating gradient ( m ax)10% per hour
Altitude, opera ting–1,000 to 10,0 00 f t.
Altitude, nonoper at i ng–1,000 to 40,0 00 f t.
Shock, norma l op er at in g (Gs max at 11 msec)2.0 G s
Shock, nonope ra ting (Gs max at 11 msec)125 Gs
Vibration (Gs max a t 22–300 Hz without nonrecover able
erro rs), operatin g
Vibration (Gs max at 22–300 Hz with no physical
damage incurr ed), nonoperat in g
Drive acoustics, Idle mode (dBA), typ30 dBA
Nonrecoverabl e r ead errors (per bi t s transferred)10
Mean time betw een failures (power-on hours)300,000
Contact start -s top cycles40,000
Service life (years)5
±
5%
±
5%
1.0 G
Peak to Peak
8.0 Gs
Peak to Peak
13
4Medalist 2132 Product Manual, January 1997
Medalist 2132 Product Manual, January 19975
1.0Drive Specifications
1.1Formatted Capacity
The drive is low-level formatted at the factory. You do not need to
low-level format the drive.
This drive supports cylinder-head-sector (CHS) and logical-block addressing (LBA) translation modes. You can use the Identify drive (EC
command to verify the address modes t he drive supports, the num ber of
cylinders, sectors per t rack, total number of sectors, heads and other
parameters. The Identify drive parameters are listed in Section 3.3.1. on
page 26.
DMA Mode 216.6 (max)
Spindle speed ± 0.5% (RPM)4,504
Segmented cache (Kbytes)128
Zone Bit Recording methodPRML (0,12,8)
Bytes per sector512
Recording density, max (BPI)89K
Flux density, max (FCI)97K
Track density, max (TPI)5,435
1.4Physical dimensions
Height (max)1.00 inch (25.4 mm)
Width (max)4.02 inches (102.1 mm)
Depth (max)5.77 inches (146.6 mm)
Weight (max)1.3 lb (0.59 Kg)
Medalist 2132 Product Manual, January 19977
1.5Seek time
Seek value is the interval between the time the actuator begins to m o ve
and the time the head has settled ov er the target trac k. Seek time is a
true statistical average of at least 10,000 measurements of seek time.
All measurements are taken under nominal conditions of temperature
and voltage with the drive mounted horizontally. T he specifications in the
table below are defined as follows:
• Track-to-track seek time is an average of all possible single-track
seeks in both directions.
• Average seek time is a true statistical random average of at least
10,000 measurements of seeks between random tracks, l ess overhead.
• Full-stroke seek time is one-half the time needed to seek from the first
data cylinder to the maximum data cylinder and back to the first data
cylinder. The full-stroke average is determined by measuring 100
full-stroke seeks in both directions.
Track-to-track
typ (msec)
2.512.5306.66
Average
typ (msec)
Full-stroke
typ (msec)
Latency
(msec)
1.6Start and stop time
The drive is ready within 10 seconds. Typical and maximum start and
stop times are shown in the following table. Figure 1 on page 8 shows a
typical startup current profile.
TypicalMaximum
Start time7 sec11 sec
Stop time6 sec9 sec
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