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
1.5 Watts
Impedance
ImpedanceImpedance
Impedance
4 Ohms
Communications
CommunicationsCommunications
Communications
Integrated Realtek
Integrated RealtekIntegrated Realtek
Integrated Realtek
RTL8151DH-GR
RTL8151DH-GRRTL8151DH-GR
RTL8151DH-GR
10/100/1000 NIC
10/100/1000 NIC10/100/1000 NIC
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 802.1q VLAN 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
Advanced link down power saving for reducing link down power
consumption
Performance Features
Performance FeaturesPerformance Features
Performance Features
TCP/IP/UDP Checksum Offload (configurable)
Large send offload and Giant send offload
Receiving Side Scaling
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
Virtual Cable Doctor for Ethernet cable status
Interface
InterfaceInterface
Interface
PCI Express 1.1 x1 to fully support ASPM L0s/L1 and CLKREQ
NIC Device Driver Name
NIC Device Driver NameNIC Device Driver Name
NIC Device Driver Name
Realtek PCIe Gb Ethernet Family Controller
QuickSpecs
HP ProBook 4425s Notebook PC
HP ProBook 4425s Notebook PCHP ProBook 4425s Notebook PC
HP ProBook 4425s Notebook PC
HP ProBook 4525s Notebook PC
HP ProBook 4525s Notebook PCHP ProBook 4525s Notebook PC
HP ProBook 4525s Notebook PC
Technical Specifications
DA - 13610 Worldwide — Version 8 — September 14, 2010
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