USER RESPONSIBLE F O R V E R I F Y I N G VERSION A N D COMPLETENESS
O E M F U N C T I O N A L SPECIFICATION ULTRASTAR X P (DFHC) SSA M O D E L S 1.12/2.25 GB - 1.0" H I G H
Table 16. Random Vibration Levels
Class
5 hz
17 hz
45 hz
48 hz
62 hz
65 hz
150 hz
200 hz
500 hz
R M S
V4
2.0E-5
1.1E-3
1.1E-3
8.0E-3
8.0E-3
1.0E-3
1.0E-3
8.0E-5
8.0E-5
0.56
V4S
2.0E-5
1.1E-3
1.1E-3
8.0E-3
8.0E-3
1.0E-3
1.0E-3
4.0E-5
4.0E-5
0.55
units
g
2
/hz
g
Swept Sine Vibration
The drive will operate without hard errors when subjected to the swept sine vibration of 1.0 G peak from 5
to 300 hz in the x- and y direction. For input in the z-direction, an input of 1.0 G peak amplitude can be
applied from 5 hz to 250 hz, the amplitude at 300 hz is 0.5 G peak. Linear interpolation is used to deter-
mine the acceleration levels between 250 hz and 300 hz.
The test will consist of a sweep from 5 to 300 hz and back to 5 hz. The sweep rate will be one hz per
second.
Note: 1.0 G acceleration at 5 hz requires 0.78 inch double amplitude displacement.
(The connector on the right edge does not represent SSA connector)
Figure 24. Ultrastar XP SSA Drive Small F o r m Factor Assembly — CxC Models
7.2.3.1 Nonoperating Vibration
N o damage will occur as long as vibration at the un-packaged drive in all three directions defined above does
not exceed the levels defined in the table below. The test will consist of a sweep from 5 hz to 200 hz and
back to 5 hz at a sweep rate of eight decades per hour.
Source filename=OPLIMITS
IBM Corporation
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