Category : HD Utilities
Archive   : MAX_IDE.ZIP
Filename : 8450A.TXT

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Miniscribe Disk Drive Specifications
For
Model: 8450A
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FORM FACTOR 3.5 inch HH
INTERFACE 16 BIT IDE
DATA ENCODING METHOD 2,7 RLL
DATA TRANSFER RATE (Mbit/Sec) 8.0

DISK DRIVE CHARACTERISTICS
HEADS 4
CYLINDERS 745
SECTORS/TRACK (512 Byte Sectors) 28
WRITE PRECOMPENSATION CYLINDER NA***
REDUCED WRITE CURRENT CYLINDER NA***
MINIMUM STEP PULSE RATE NA***
UNFORMATTED BYTES/TRACK 16,666
RADIAL TRACK DENSITY (TPI) 898
ROTATIONAL SPEED (RPM) 3,600
UNFORMATTED CAPACITY (MBytes) 49.7
FORMATTED CAPACITY (Millions of Bytes) 42.7
FORMATTED CAP. (MB = 1,048,576 Bytes) 40.7
NA*** (NOT APPLICABLE TO IDE DRIVES)

ACCESS TIMES (mSec)*
SINGLE TRACK 12
AVERAGE OF ALL POSSIBLE SEEKS 40
MAXIMUM 90
*(INCLUDES SETTLING)

POWER REQUIREMENTS
DISSIPATION (Watts)
TYPICAL 12.0
CURRENT (Amps)
+5 V DC (+ or - 5%) 0.55
+12 V DC (+ or - 5%) 0.75
MAXIMUM STARTUP CURRENT 2.4

PHYSICAL DIMENSIONS
HEIGHT (in) 1.625
WIDTH (in) 4
DEPTH (in) 5.75
WEIGHT (lbs) 1.63

OPERATIVE ENVIRONMENTAL LIMITS
MINIMUM TEMPERATURE (Centigrade) 4
MAXIMUM TEMPERATURE (Centigrade) 50
THERMAL GRADIENT (Degrees C/Hour) 10

RELIABILITY
MTBF (Hours) 30,000
MTTR (Minutes) 30
COMPONENT DESIGN LIFE (Years) 5