Dc Power Connector; At Signal Connector - Hitachi T7K250 - Deskstar - Hard Drive Specifications

6.1.1 DC power connector

The DC power connector is designed to mate with AMP part number 1-480424-0 using AMP pins part number
350078-4 (strip), part number 61173-4 (loose piece), or their equivalents. Pin assignments are shown in the figure
below.

6.1.2 AT signal connector

The AT signal connector is a 40-pin connector.
The SATA signal connector is a 8-pin connector. The SATA power connector is a 15-pin connector.
4 3 2
Deskstar T7K250 Hard Disk Drive Specification
Pin Voltage
1 1 +12 V
2 GND
3 GND
4 +5V
24