HP ProBook 6545b - Page 26

Audio
Hardware Implementation IDT 92HD75B High Definition CODEC
Touch-Sensitive Volume
Controls
Volume up, volume down, and mute
Full Duplex Yes
Microphone In Stereo
Headphone/Line Out Stereo
Integrated Microphone Yes, dual-microphone array when equipped with optional webcam
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 - 48kHz
DAC 16, 20 or 24-bit
ADC 16 or 20-bit
Integrated Stereo
Speakers
Power Rating 2 Watts
Impedance 4 Ohms
Communications
Integrated Marvell
10/100/1000 NIC
Ethernet Features 10 Mbit/s operation (10BASE-T; IEEE 802.3i; IEEE 802.3 clauses 13-14)
100 Mbit/s operation (100BASE-TX; IEEE 802.3u; IEEE 802.3 clauses 21-30)
1000 Mbit/s operation (1000BASE-T; IEEE 802.3z and 802.3ab; IEEE 802.3
clauses 34-42)
Auto-Negotiation (Automatic Speed Selection)
Full Duplex Operation at all Speeds, Half Duplex operation at 10 and 100
Mbit/s
IEEE 802.1p QoS (Quality of Service) Support
IEEE 802.3x Flow Control (IEEE 802.3 clauses 31-32; configurable)
Power Management ACPI compliant – multiple power modes
Situation-sensitive features reduce power consumption
Performance Features TCP/IP/UDP Checksum Offload (configurable)
QuickSpecs
HP ProBook 6545b Notebook PC
Technical Specifications
DA - 13396 North America — Version 11 — June 17, 2010 Page 26