IBM DJSA-210 Hard Drive Specifications - Page 48
Vibration and shock, 6.1 Operating vibration
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6.6 Vibration and shock All vibration and shock measurements in this section are for hard disk drives without mounting attachments for systems. The input level shall be applied to the normal drive mounting points. Vibration tests and shock tests are to be conducted by mounting the drive to a table using the bottom four mounting holes. 6.6.1 Operating vibration The disk drive will operate without a hard error while being subjected to the following vibration levels. 6.6.1.1 Random vibration The test will be 30 minutes of random vibration using the power spectral density (PSD) levels below. The vibration test level is 0.67 G RMS (Root Mean Square). Random vibration PSD profile Breakpoint DJSA-205/210/220/230/232 Hz m x 10n G2/Hz 5 2.0 x E-5 17 1.1 x E-3 45 1.1 x E-3 48 8.0 x E-3 62 8.0 x E-3 65 1.0 x E-3 150 1.0 x E-3 200 5.0 x E-4 500 5.0 x E-4 Figure 26. Random vibration PSD profile breakpoints (operating) 6.6.1.2 Swept sine vibration DJSA-205/210/220/230 DJSA-232 Swept sine vibration (zero to peak 5 to 500 to 5 Hz sine wave) 1 G (5-500 Hz) 1 G (5-300 Hz) 1 G (300 Hz) - 0.33 G (350 Hz) 0.33 G (350-500 Hz) Sweep rate (oct/min) 2.0 2.0 Figure 27. Swept sine vibration Travelstar 32GH/30GT/20GN hard disk drive specifications 34