IBM 704 manual Replacing the Real-Time Clock

Replacing the Real-Time Clock

Replacing the Real-Time Clock

The real-time clock (RTC) contains a long-life, integral lithium battery. If the battery malfunctions (for example, the CMOS random-access memory (RAM) no longer stores the correct system settings), you must replace the RTC as described in this section. Contact your IBM reseller or IBM marketing representative for information about approved replacement devices.

This product has been designed with your safety in mind. The lithium battery must be handled correctly to avoid possible danger. If you replace the battery, you must adhere to the following requirements.

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CAUTION:

The lithium battery presents a fire, explosion, or severe burn risk if handled incorrectly. Do not recharge it, disassemble it, heat it, incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations and the manufacturer's instructions.

When replacing the battery, use only an equivalent type battery recommended by the manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of.

Notes:

1.Replace the real-time clock module only with IBM FRU part number 75H9104 or with an IBM recommended equivalent. Use of any other real-time clock module could result in ignition or explosion.

2.Be sure to review the information provided in the PC Server 704 Safety Information booklet.

Chapter 4. Installing Options 137