HP nx9420 Hardware Implementation, Volume Controls, Full Duplex, Sound Blaster Pro, Noise Floor

QuickSpecs

HP Compaq nx9420 Notebook PC

Technical Specifications

Hardware	Implementation	ADI1981HD High Definition CODEC
	Volume Controls	Up, down, and mute buttons
	Full Duplex	Yes
	Sound Blaster Pro	Yes
	compatible
	Microphone Jack	Stereo or mono
	Headphone/Line Out	Stereo
	Jack
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 – 48 kHz
	Rate(s)
	DAC	16, 20 or 24-bit
	ADC	16 or 20-bit
Internal Speakers	Power Rating	2 Watts
	Impedance	4 Ohms
Communications
Integrated Broadcom	Ethernet Features	10 Mbit/s operation (10BASE-T; IEEE 802.3i; IEEE 802.3 clauses 13-14)
NetXtreme Gigabit		100 Mbit/s operation (100BASE-TX; IEEE 802.3u; IEEE 802.3 clauses 21-
Ethernet PCI Express		30)
Controller (BCM5753M)		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

DA - 12427 EMEA — Version 13 — September 6, 2006 Page 22