HP Compaq Presario,Presario 4400 Hardware Reference Manual page 6

A Look at the Computer
Front Panel Components
1
Optical drives
2
Optical drive activity lights
3 Diskette drive
4 Diskette drive activity light
5 Diskette eject button
6 USB (Universal Serial Bus) ports
(available on select models)
7 Optical drive eject buttons
8 Power button
9 Power-on light
:
Hard drive activity light
✎
Arrangement and number of drives and connectors may vary by model.
1–2
Depending on your computer model, may be
a CD-ROM, CD-RW, or DVD-ROM drive. If a
second optical drive is not installed, it is
replaced by a removable blank bezel panel.
When lit, indicates the optical drive is being
accessed.
Reads and writes information onto a 3.5-inch
diskette.
When lit, indicates the diskette drive is being
accessed (Do not remove the diskette while
the light is on).
Ejects the diskette from the diskette drive.
Connects USB devices, such as gamepads,
joysticks and video cameras.
Releases the optical drive disc tray.
Turns on the computer. To turn off the
computer, use the operating system "Turn Off
Computer" command.
When lit, indicates power is on.
When lit, indicates the hard drive is being
accessed.
Hardware Reference Guide