Chapter 4

Diagnostics

Table 4-1 describes typical POST text errors and the corrective action you may take to remedy the problem.

Table 4-1. POST Error Messages

Message

Corrective Action

 

 

Operating system not found

￿￿ Verify that the desired boot drive has power and its SCSI cable is

 

connected.

 

￿￿ Verify that the SCSI cable is securely plugged into the SCSI

 

connector on the system board.

 

￿￿ Verify that the boot device is enabled in the Setup Utility under the

 

Security menu.

 

￿￿ Verify that the boot device has an operating system installed.

 

If the problem persists, contact your HP support organization.

 

 

Keyboard error

Verify that the keyboard is connected to the correct connector (not the

 

mouse connector) at the rear of the server.

 

If the problem persists, replace the keyboard or contact your HP support

 

organization.

Mouse error

Verify the mouse is connected to the correct connector (not the keyboard

 

connector) at the rear of the server.

 

If the problem persists, replace the mouse or contact your HP support

 

organization.

If no message appears (screen

￿￿ If no text or messages appear, listen for the beep codes. Refer to the

is blank)

Service manual on the HP Server Online Documentation CD-ROM.

 

￿￿ If no message appears but the server stops after POST, verify that

 

the DIMMs are correctly installed.

If a configuration error occurs

If a server configuration error is reported during the startup routine, clear

 

the CMOS memory as described in Chapter 6, “Troubleshooting” and

 

restart the server.

System CMOS checksum bad

￿￿ Press F2 to run Setup.

 

￿￿ Change settings as required.

 

￿￿ Choose the Exit option, selecting Save Changes and Exit to save the

 

new settings.

 

The server should reboot.

 

 

Clearing the CMOS and Passwords

You may need to clear the BIOS configuration (CMOS) if the configuration has been corrupted, or if incorrect settings made in the Setup Utility have caused error messages to be unreadable.

1.Power down the Server.

Refer to Chapter 1, “Controls and Indicators” for instructions.

2.Disconnect the power cord and any external cables connected to the Server. If necessary, label each one to expedite re-assembly.

3.Remove the left side cover.

4.To clear the CMOS memory, set configuration switch 5 to the ON position. To clear passwords, set configuration switch 6 to the ON position.

See Figures 4-1 and 4-2.

5.Replace the left side cover and reconnect only the power cord.

6.Power up the Server.

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