Dell Precision 370 - Manual (Page 145)

1 power cable
2 serial ATA hard-drive cable
7. Check all connectors to be certain that they are properly cabled and firmly seated.
8. Close the computer cover .
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
9. Connect your computer and devices to electrical outlets, and turn them on.
See the documentation that came with the drive for instructions on installing any software required for drive operation.
10. If the drive you just installed is the primary drive, insert a bootable floppy disk into drive A.
11. Turn on the computer.
12. Enter system setup, and update the appropriate Primary Drive option (0 or 1).
13. Exit system setup, and reboot the computer.
14. Partition and logically format your drive before you proceed to the next step.
See the documentation for your operating system for instructions.
15. Test the hard drive by running the Dell Diagnostics .
16. If the drive you just installed is the primary drive, install your operating system on the hard drive.