Compaq 300 320 321 420 421 620 and 621 Notebook PC and 420 and 620 Notebook PC - 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) Description Connect optional USB devices. Connects a modem cable. Reads optical discs and, on select models, also writes to optical discs. 16 Chapter 2 External component identification
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