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Hardware
Implementation
ADI1981HD High Definition CODEC
Volume Controls
Up, down, and mute buttons
Full Duplex
Yes
Sound Blaster Pro
compatible
Yes
Microphone Jack
Stereo or mono
Headphone/Line Out Jack
Stereo
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 – 48 kHz
DAC
16, 20 or 24-bit
ADC
16 or 20-bit
Internal Speakers
Power Rating
2 Watts
Impedance
4 Ohms
Communications
Integrated Broadcom
NetXtreme Gigabit
Ethernet PCI Express
Controller
(BCM5753M)
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
NIC Battery Saving Mode (enabled by default)
Performance Features
TCP/IP/UDP Checksum Offload (configurable)
TCP Segmentation Offload
CPU Task Offload
Adaptive Interrupts
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,
QuickSpecs
HP Compaq nw8440 Mobile Workstation
Technical Specifications
DA - 12449 North America — Version 17 — July 16, 2007
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