IDE ATA-3 Specifications
Mounting requirements: Thread 6-32 UNC, any orientation
Hard Disk Drive
2.11 GB
3.24 GB
4.2 GB
Option P/N
commercial single
commercial bulk
retail single76H0949
76H0950
76H096275H9918
75H9919
75H992076H7246
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/sec4.4 - 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
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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