Hitachi HUS157336EL3600 - Manual (Page 13)

Drawing No. Sheet No. Revision 5
K6602906 13/46 2003/6/12
Note 7. The disk drive orientation for shock test is shown in Figure 4.2.
Figure 3.2 Shock test direction
Test conditions on shock test are as follows.
(1) Operating
147m/s2(15G) (Shock mode: half sine wave 11 ms, Test cycle: 5 times)
(2) Non-operating
735m/s2(75G) (Shock mode: half sine wave 11 ms, Test cycle: 5 times)
2450m/s2(250G) (Shock mode: half sine wave 2 ms, Test cycle: 5 times)
Note 8. Acoustic noise is measured except for the start, stop and seek operations.