Compaq Armada V300 Series Reference Manual page 95

1. If you are running Windows 95 or Windows 98, you must stop
the PC Card before removing it (see "Stopping a PC Card"
later in this chapter). You do not need to turn the computer off
or initiate Suspend. If you are running Windows NT 4.0, you
must close Windows NT 4.0 and turn off the computer.
2. To release the PC Card eject button, depress the button
once. To eject the PC Card, firmly depress the PC Card eject
button a second time.
3. Remove the card
If you are running Windows 95, the computer beeps twice if
it is turned on when the PC Card is removed.
.