IBM DBCA-204860 Hard Drive Specifications - Page 26

Magnetic Fields

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5.1.2 Magnetic Fields The disk drive will withstand radiation & conductive noise within the limits shown below. 5.1.2.1 Radiation Noise The disk drive shall work without degradation of the soft error rate under the following Magnetic Flux Density Limits at the enclosure surface. Frequency ( KHz ) 0 - 60 61 - 100 101 - 200 201 - 400 Figure 15. Magnetic Flux Density Limits Limits ( Gauss rms ) 5.0 2.5 1.0 0.5 5.1.2.2 Conductive Noise The disk drive shall work without degradation of the soft error rate, with an AC current of up to 45 mA(p-p), in the frequency range from DC to 20 MHz, injected through any two of the mounting screw holes of the drive via 50ohm resistor. 18 OEM Specifications of DBCA-2xxxxx 2.5 inch H D D

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5.1.2
Magnetic Fields
The disk drive will withstand radiation & conductive noise within the limits shown below.
5.1.2.1
Radiation Noise
The disk drive shall work without degradation of the soft error rate under the following Magnetic Flux
Density Limits at the enclosure surface.
Figure 15. Magnetic Flux Density Limits
5.1.2.2
Conductive Noise
The disk drive shall work without degradation of the soft error rate, with an AC current of up to 45
mA(p-p), in the frequency range from DC to 20 MHz, injected through any two of the mounting screw
holes of the drive via 50ohm resistor.
Frequency ( KHz )
Limits ( Gauss rms )
0 - 60
5.0
61 - 100
2.5
101 - 200
1.0
201 - 400
0.5
18
OEM Specifications of DBCA-2xxxxx 2.5 inch HDD