Battery replacement

If you have problems after installing a new CMOS battery, try each of the following items, closing the case and restarting the server after each try:

■Restart your server, then open the BIOS Setup utility by pressing and holding F2 while your server restarts. Correct any discrepancies.

■Remove the top panel by following the instructions in “Opening the server case” on page 42, then make sure that all cables inside the case are attached securely. Also, make sure that the colored cable edges are aligned correctly and that the connectors do not miss any pins.

Warning To avoid bodily injury, do not attempt to troubleshoot your server problem if:

■The power cords or plugs are damaged

■Liquid has been spilled into your server

■Your server was dropped

■The case was damaged

Instead, unplug your server and contact a qualified computer technician.

■If you have the correct test equipment, make sure that the new battery has power. Although unlikely, your new battery may be defective.

Beep codes

Whenever a recoverable error occurs during the power-on self-test (POST), the BIOS displays an error message that describes the problem. The BIOS also sounds a beep code (one long tone followed by two short tones) during POST if the video configuration fails (a faulty video controller) or if an expansion card is not functioning correctly. One short beep indicates the BIOS will boot the operating system. No error found.

A PCI expansion card (for example, a RAID controller) can also issue audible errors by itself, usually consisting of one long tone followed by a series of short tones. For more information on the beep codes issued, check the documentation for that device.

The following table shows POST error beep codes. Prior to system video initialization, BIOS uses these codes to inform you of error conditions.

Beeps

Description

Troubleshooting steps

 

 

 

1

Memory refresh timer error

Reseat the memory modules or replace with

 

 

modules you know are good.

 

 

 

2

Parity error in the first 64 KB of memory.

Same as for 1 beep.

 

 

 

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