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
1.5 Watts
Impedance
4 Ohms
Communications
Integrated Realtek
RTL8151DH-GR
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 802.1q VLAN 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
Advanced link down power saving for reducing link down power
consumption
Performance Features
TCP/IP/UDP Checksum Offload (configurable)
Large send offload and Giant send offload
Receiving Side Scaling
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
PCI Express 1.1 x1 to fully support ASPM L0s/L1 and CLKREQ
NIC Device Driver Name
Realtek PCIe Gb Ethernet Family Controller
QuickSpecs
HP ProBook 4425s Notebook PC HP ProBook
4525s Notebook PC
Technical Specifications
DA - 13610 Worldwide QuickSpecs — Version 1 — 5.5.2010
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