HP Integrity rx8640 and HP 9000 rp8440 Servers Installation Guide

are chosen the OS may fail to boot or will boot with output directed to the wrong location. Therefore,
any time new potential console devices are added to the system or anytime NVRAM on the system
is cleared console selections should be reviewed to ensure that they are correct.
Configuring AC Line Status
The MP utilities can detect if power is applied to each of the AC input cords for the server, by
sampling the status of the bulk power supplies. During installation, use the following procedure to
check the configuration for the AC line status and configure it to match the customer’s environment.
Selecting the single grid option directs the MP utilities to sense locations A0 and A1 for active
power. Selecting the dual grid option directs the MP utilities to sense active power at locations
A0–A1–B0–B1.
1. At the MP prompt, enter cm. This will display the Command Menu and enable you to view
and configure various utilities controlled by the MP.
2. From the command prompt (MP:CM>), enter pwrgrd. The pwrgrd command displays the
current power configuration. This command can also be used to change the power grid
configuration. A screen similar to the one in Figure 51 is displayed.
Figure 51 The pwrgrd Command Screen
3. Verify that the power grid configuration is correct by examining the output from the pwrgrd
command. The preceding power configuration indicates that the grid serving A0–A1 has been
configured.
4. To change the configuration, select the proper response and enter the appropriate numeric
value when Select Option: displays on the screen. If no change is desired, enter q and
press the Enter key. After the value has been entered, the MP will respond and indicate that
the change has taken effect.
Booting the Server
Power on the server either by pressing the power switch on the front panel or by using the PE
command to power on the cabinet or complex at the management processor Command Menu.
If you are using a LAN crossover cable with the laptop, review server activity for each partition
configured while the server powers on and boots. You can open Windows for the complex and
for each partition. HP recommends that at least two windows be opened:
68 Installing the System