[. . . ] Quick Installation Guide Hitachi Travelstar Z7K500 7mm z-height Hard Disk Drive Models: HTS725050A7E630 HTS725032A7E630 HTS725025A7E630 HTS725050A7E631 HTS725032A7E631 HTS725025A7E631 HTE725050A7E630 HTE725032A7E630 NOTE: Travelstar Z7K500 hard drives feature Advanced Format technology. [. . . ] Thus a drive formatted in a horizontal orientation will be able to run vertically and vice versa. The recommended mounting screw depth is 3. 0±0. 3 mm for bottom and 3. 5±0. 5 mm for horizontal mounting. The user is responsible for using the appropriate screws or equivalent mounting hardware to mount the drive securely enough to prevent excessive motion or vibration of the drive at seek operation or spindle rotation. Interface connector The figure below shows the physical pin location All pins are in a single row, with a 127 mm (0. 050") pitch. The comments on the mating sequence in Table in the section 7. 3 apply to the case of back-plane blind-mate connector only. In this case, the mating sequences are:(1) the ground pins P4 and P12;(2) the pre-charge power pins and the other ground pins; and (3) the signal pins and the rest of the power pins. Page 3 version 1. 0 Hitachi Global Storage Technologies There are three power pins for each voltage. One pin from each voltage is used for pre-charge in the backplane blind-mate situation. All V5 pins must be terminated. © 2012 Hitachi Global Storage Technologies Produced in the United States 2/12 All rights reserved Travelstar is a trademark of Hitachi Global Storage Technologies. [. . . ] Please visit the Support section of our website, www. hitachigst. com/support, for additional information on product specifications. [. . . ]