Install CentOS 5.7 with NetInstall method

7. Select Network Installation Method

8. Configure TCP/IP settings

9. Setup Network Installation Web site name and CentOS directory

Web site name: mirror.centos.org
CentOS directory for i386: /centos/5.7/os/i386
CentOS directory for x86_64: /centos/5.7/os/x86_64

10. Downloading Installer

11. Welcome to CentOS Screen

12. Select Partitioning Type

Select “Create custom layout” option if you want modify partitions.