Supported Media
(write)
CD-R, CD-RW, DVD+R, DVD+RW, DVD-R, DVD-RW, DVD-RAM
Max Media Capacity
(read)
8.5 GB
Max Media Capacity
(write)
8.5 GB
Transport
Tray Loading
HP Biometric Fingerprint
Sensor
(Optional)
Mobile Voltage
Operation
3.0V–3.6V Single Supply
Operating Temperature
32° – 158°F (0° – 70°C)
Current Consumption @
3.3V
Less than 70 mA peak imaging and scrolling
Less than 25 mA hardware finger detection
Advanced Power Management
High-Rate Image Capture
Up to 240 image frames /sec
ESD Resistance
IEC 61000-4-2 Level 4 (±15KV)
Detection Matrix
192 x 16 Pixels
9.7 mm x 0.81 mm
500 ppi High-Resolution Images
Audio
Hardware
Implementation
ADI1981HD High Definition CODEC
Volume Controls
Up, down, and mute buttons
Full Duplex
Yes
Sound Blaster Pro
compatible
Yes
Microphone Jack
Stereo or mono
Headphone/Line Out Jack
Stereo
Audio Output Quality
Frequency Response
20 Hz – 20 kHz
Signal to Noise Ratio
>85 dB
Total Harmonic Distortion
0.01%
Noise Floor
-110 dB
Play/Record Sampling
Rate
(s)
8 kHz – 48 kHz
DAC
16, 20 or 24-bit
ADC
16 or 20-bit
QuickSpecs
HP Compaq nx9420 Notebook PC
Technical Specifications
DA - 12427 North America — Version 22 — October 5, 2007
Page 30
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