QuickSpecs

HP ProBook 4425s Notebook PC HP ProBook 4525s Notebook PC

Technical Specifications

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

8 kHz – 48kHz

 

Rate(s)

 

 

DAC

16, 20 or 24-bit

 

ADC

16 or 20-bit

 

 

 

Integrated Stereo

Power Rating

1.5 Watts

Speakers

Impedance

4 Ohms

 

 

 

 

Communications

 

 

 

 

 

Integrated Realtek

Ethernet Features

10 Mbit/s operation (10BASE-T; IEEE 802.3i; IEEE 802.3 clauses 13-14)

RTL8151DH-GR

 

100 Mbit/s operation (100BASE-TX; IEEE 802.3u; IEEE 802.3 clauses 21-

10/100/1000 NIC

 

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

 

 

 

DA - 13610 Worldwide — Version 8 — September 14, 2010

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