Installation Guide, Seventh Edition - HP Integrity rx7620 Servers

Chapter 4

Cable Connections

AC Input Power

The server has five line cord configurations:

• All four line cords (preferred configuration)

• Cords A0 and A1 only

• Cords B0 and B1 only

• Cords A0 and B0 only

• Cords A1 and B1 only

A single-line-cord configuration is not allowed.

Figure 4-1 Power Cord Configuration

The power cord configuration is passed to the operating system using the pwrgrd (Power Grid) command.

Each of the five selections in the pwrgrd command matches one of the configurations. The appropriate option

should be selected for the actual line cord configuration. With the correct configuration selected, the LEDs

should be green. when the pwrgrd command is invoked, the following menu is displayed.

prompt> pwrgrd

Power grid configuration preference.

1. Grid A only (Cords A0,B0 required)

2. Grid B only (Cords A1,B1 required)

3. Grids A & B (Cords A0,A1,B0,B1 required)

4. Cords A0 & B0 only

5. Cords A1 & B1 only

Select Option:

A1A0 B0 B1