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Audio
Hardware
HardwareHardware
Hardware
Implementation
ImplementationImplementation
Implementation
IDT 92HD75B High Definition CODEC
Touch-Sensitive Volume
Touch-Sensitive VolumeTouch-Sensitive Volume
Touch-Sensitive Volume
Controls
ControlsControls
Controls
Volume up, volume down, and mute
Full Duplex
Full DuplexFull Duplex
Full Duplex
Yes
Combo Microphone
Combo MicrophoneCombo Microphone
Combo Microphone
/Headphone
/Headphone/Headphone
/Headphone
Stereo
Integrated Microphone
Integrated MicrophoneIntegrated Microphone
Integrated Microphone
Yes, dual-microphone array when equipped with optional webcam
Audio Output Quality
Audio Output QualityAudio Output Quality
Audio Output Quality
Frequency Response
Frequency ResponseFrequency Response
Frequency Response
20 Hz - 20 kHz
Signal to Noise Ratio
Signal to Noise RatioSignal to Noise Ratio
Signal to Noise Ratio
>85 dB
Total Harmonic Distortion
Total Harmonic DistortionTotal Harmonic Distortion
Total Harmonic Distortion
0.01%
Noise Floor
Noise FloorNoise Floor
Noise Floor
-110 dB
Play/Record Sampling
Play/Record SamplingPlay/Record Sampling
Play/Record Sampling
Rate
RateRate
Rate
(s)
8 kHz - 48kHz
DAC
DACDAC
DAC
16, 20 or 24-bit
ADC
ADCADC
ADC
16 or 20-bit
Integrated Stereo
Integrated StereoIntegrated Stereo
Integrated Stereo
Speakers
SpeakersSpeakers
Speakers
Power Rating
Power RatingPower Rating
Power Rating
2 Watts
Impedance
ImpedanceImpedance
Impedance
4 Ohms
Communications
CommunicationsCommunications
Communications
Integrated Intel Gigabit
Integrated Intel GigabitIntegrated Intel Gigabit
Integrated Intel Gigabit
Network Connection
Network ConnectionNetwork Connection
Network Connection
(10/100/1000 NIC)
Ethernet Features
Ethernet FeaturesEthernet Features
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
Power ManagementPower Management
Power Management
ACPI compliant -- multiple power modes
Situation-sensitive features reduce power consumption
Performance Features
Performance FeaturesPerformance Features
Performance Features
TCP/IP/UDP Checksum Offload (configurable)
Manageability
ManageabilityManageability
Manageability
Wake-on-LAN from standby and hibernation (Magic Packet and Microsoft
Wake-Up Frame); Wake-on-LAN from off (Magic Packet only)
PXE 2.1 Remote Boot
Statistics Gathering (SNMP MIB II, Ethernet-like MIB, Ethernet MIB (802.3x,
clause 30))
Comprehensive diagnostic and configuration software suite
QuickSpecs
HP EliteBook 2540p Notebook PC
HP EliteBook 2540p Notebook PCHP EliteBook 2540p Notebook PC
HP EliteBook 2540p Notebook PC
Technical Specifications
DA - 13566 North America — Version 7 — May 11, 2010
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