Compaq 621 Compaq 320, 321, 420, 421, 620, 621 Notebook PCs and HP 420, 620 No - Page 24

Front components, Right-side components

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Front components Component (1) SD Card Reader (2) Audio-out (headphone) jack (3) Audio-in (microphone) jack Right-side components Description Supports the following optional digital card formats: ● MultiMediaCard (MMC) ● MultiMediaCard 4.2 (MMC Plus, including MMC Plus HC) ● Secure Digital (SD) Memory Card ● Secure Digital High Capacity (SDHC) Memory Card ● Secure Digital High Speed (SDHS) Memory Card Produces sound when connected to optional powered stereo speakers, headphones, ear buds, a headset, or television audio. NOTE: When a device is connected to the headphone jack, the computer speakers are disabled. Connects an optional computer headset microphone, stereo array microphone, or monaural microphone. Component (1) USB ports (2) (2) RJ-11 (modem) jack (select models only) (3) Optical drive (select models only) (4) Optical drive light (select models only) (5) Optical drive button (select models only) Description Connect optional USB devices. Connects a modem cable. Reads optical discs and, on select models, also writes to optical discs. Blinking: The optical drive is being accessed. Opens the optical drive tray. 14 Chapter 2 External component identification

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Front components
Component
Description
(1)
SD Card Reader
Supports the following optional digital card formats:
●
MultiMediaCard (MMC)
●
MultiMediaCard 4.2 (MMC Plus, including MMC Plus HC)
●
Secure Digital (SD) Memory Card
●
Secure Digital High Capacity (SDHC) Memory Card
●
Secure Digital High Speed (SDHS) Memory Card
(2)
Audio-out (headphone) jack
Produces sound when connected to optional powered stereo
speakers, headphones, ear buds, a headset, or television audio.
NOTE:
When a device is connected to the headphone jack, the
computer speakers are disabled.
(3)
Audio-in (microphone) jack
Connects an optional computer headset microphone, stereo
array microphone, or monaural microphone.
Right-side components
Component
Description
(1)
USB ports (2)
Connect optional USB devices.
(2)
RJ-11 (modem) jack (select models only)
Connects a modem cable.
(3)
Optical drive (select models only)
Reads optical discs and, on select models, also writes to optical
discs.
(4)
Optical drive light (select models only)
Blinking: The optical drive is being accessed.
(5)
Optical drive button (select models only)
Opens the optical drive tray.
14
Chapter 2
External component identification