home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Software Vault: The Gold Collection
/
Software Vault - The Gold Collection (American Databankers) (1993).ISO
/
cdr23
/
mxtoride.zip
/
IDE.ZIP
/
8450A.TXT
< prev
next >
Wrap
Text File
|
1989-09-15
|
3KB
|
58 lines
************************************************************
Miniscribe Disk Drive Specifications
For
Model: 8450A
************************************************************
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