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IDE ATA-3 Specifications



IDE ATA-3 Specifications

Hard Disk Drive 2.11 GB 3.24 GB 4.2 GB
Option P/N
commercial single
commercial bulk
retail single
76H0949
76H0950
76H0962
75H9918
75H9919
75H9920
76H7246
76H7247
76H7248
FRU P/N ?? ?? 76H5820
Drive P/N 46H3430 46H3432 73H7681
Number of heads 4 6 6
Number of disks 2 3 3
Number of sectors
per track
Inner Diameter (ID)
Outer Diameter (OD)
117
184
117
184
132
211
Logical Number of heads 16 16 16
Number of cylinders 4092 6296 8184
Number of sectors/track 63 63 63
Formatted capacity
(512-byte sectors)
2110 MB 3240 MB 4200 MB
Track density
Tracks per inch (TPI)
7257 7257 8600
Areal density
Mbits per square inch-max
878 878 1158
Burst (Buffer to Host)
MB/sec (max)
16.6 16.6 16.6
Sustained (Disk to Buffer)
MB/sec
4.4 - 6.9 4.4 - 6.9 4.4 - 6.9
Seek Time - milliseconds
Typical average read
Typical average write
9.5
10.5
9.5
10.5
9.5
10.5
Power Requirements
+5 Vdc idle amps
+12 Vdc idle amps
+5 Vdc startup amps
+12 Vdc startup amps
Idle power average watts
0.15
0.16
0.46
1.10
2.7
0.15
0.21
0.46
1.10
3.3
0.25
0.19
0.55
1.64
3.6

  Mounting requirements: Thread 6-32 UNC, any orientation
  Disk Type:             Thin Film
  Head Type:             Magnetoresistive (MR)
  Rotational Speed:      5400 RPM
  Buffer Size:           128 KB
 Operating Environment:
  Shock (11 millisec):   10 G (operating)
  (half sine)            75 G (not operating)
  Temperature:           5°-55° C (operating)
                         0°-65° C (storage)
  Relative Humidity:     8%-90% (operating)
                         5%-95% (storage)
  Vibration:             1.0 G (operating)
                         2.0 G (not operating)


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