Speaker; Battery; Real-Time Clock - Intel D975XBX Product Manual

Speaker

A speaker is mounted on the desktop board. The speaker provides audible error code (beep code)
information during the Power-On Self-Test (POST).

Battery

A battery on the desktop board keeps the values in CMOS RAM and the clock current when the
computer is turned off. See Chapter 2 starting on page 23 for instructions on how to replace the
battery.

Real-Time Clock

The desktop board has a time-of-day clock and 100-year calendar. The battery on the desktop
board keeps the clock current when the computer is turned off.
Desktop Board Features
21