IBM RS/6000 - Manual (Page 199)

Figure 51. Initial Boot Screen
3. Select the Utilities option from the System Management Services menu. Use
the Down Arrow key to highlight the option, and then press the Enter key.
Figure 52. System Management Services Menu
4. Select the Remote Initial Program Load Setup option from the System
Management Services Utilities menu.
Chapter 9. Network Installation Management (NIM) Support 175