Compaq Armada V300 Series Reference Manual page 54

When the computer beeps while the Power/Suspend light is
blinking, the computer has initiated Suspend. See Chapter 5 for
more information on using Suspend.
When the computer is in Suspend and a low battery
condition occurs, you cannot press the power button or suspend
button to exit Suspend. Connect the computer to AC power until a
fully charged battery is available.
See the following section "Turning Beeps On or Off," to avoid
being alerted with system beeps.
Based on the type of beeps to be turned on or off, do one of the
following:
To enable or disable PC Card beeps, click Control PanelÆ
double-click PC Card iconÆGlobal Settings tab, then click the
Disable PC Card Sound Effects box.
To toggle all system beeps on or off, use the Computer Setup
Utility. The following beeps are affected (see Chapter 15 for
more information on using Computer Setup):
Low battery warning beeps
Power-On Self-Test (POST) beeps
Suspend beeps
To disable only low battery warning beeps, click StartÆ
SettingsÆControl PanelÆdouble-click PowerÆPower
PropertiesÆConservation Settings tab. Then click the
Warning Beeps Off button.
Application-specific beeps must be controlled through the
application software.