What network speeds does the HP NC3123 721503-005 support?

The HP NC3123 Fast Ethernet Card 721503-005 is categorized as a single-port 10/100Base-TX adapter. This means it supports Fast Ethernet operation at 10 Mbps and 100 Mbps, allowing deployment in environments where both legacy 10 Mbps segments and 100 Mbps Fast Ethernet infrastructure are present.

Which expansion slot type is required for the NC3123 Fast Ethernet Card?

The NC3123 is listed under PCI Fast Ethernet network adapters, indicating that it is designed for installation in a PCI expansion slot. When planning deployment, ensure that each target system provides an available PCI slot to accommodate the 721503-005 adapter.

How many network ports are available on the HP NC3123 721503-005 card?

This adapter is categorized as a single-port 10/100Base-TX Fast Ethernet card. It provides one wired Ethernet port, making it suitable for systems that require a single network connection without additional link aggregation or multi-port configurations.

What cabling is appropriate for the 10/100Base-TX interface on this card?

: "The NC3123 is specified as a 10/100Base-TX Fast Ethernet adapter, which corresponds to twisted-pair copper cabling with RJ-45 terminations. This makes it suitable for typical office and data center cabling plants that are built around copper Ethernet runs.

Is the HP NC3123 721503-005 suitable for maintaining older networked systems?

Yes, the NC3123 721503-005 can be appropriate for maintaining older or legacy systems because it uses a PCI bus interface and supports 10/100Base-TX Fast Ethernet. These characteristics align with many existing platforms and networks that have not migrated to higher-speed or newer bus technologies.

721503-005 - HP 721503-005 10/100Base-TX PCI Fast Ethernet Card

Name: HP 721503-005 10/100Base-TX PCI Fast Ethernet Card
Brand: HP
SKU: 721503-005

721503-005 - HP 721503-005 10/100Base-TX PCI Fast Ethernet Card | US IT Hardware

Product overview

The HP NC3123 Fast Ethernet Card 721503-005 is a PCI network adapter designed for environments that require 10/100Base-TX connectivity. This adapter provides Fast Ethernet support over a standard PCI interface, aligning with legacy and embedded workstation or server infrastructures that rely on this bus type. As a single-port solution, it focuses on straightforward wired network connectivity, helping to keep network configurations simple and predictable. The card is suitable for networks that operate at 10 Mbps or 100 Mbps, enabling flexible deployment in mixed-speed Fast Ethernet segments. With an RJ-45 interface implied by the 10/100Base-TX classification, it is appropriate for twisted-pair copper cabling commonly found in office and data center installations. IT procurement teams can use this adapter to extend or maintain Fast Ethernet connectivity in systems equipped with PCI slots, supporting standardized cabling practices.

Fast Ethernet support with 10/100Base-TX operation
PCI interface for compatibility with PCI-based systems
Single-port design for straightforward connectivity
Suitable for twisted-pair copper RJ-45 cabling
HP NC3123 model for standardized deployments
SKU 721503-005 for precise procurement tracking

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Featuring

Media Standard
Manufacturer part #	721503-005
Brand	HP
Condition	New
Model	NC3123 Fast Ethernet Card
Bus Type	PCI 2.1
Card Height	Full-height
Form Factor	Plug-in Card
Cabling Type	10Base-T, 100Base-TX
Flow Control	IEEE 802.3x flow control
Product Line	NC3123
Product Type	Fast Ethernet Card

Compatible systems

HP NC3123 single-port PCI Fast Ethernet network adapter, 10/100Base-TX over RJ-45.

HP NC3123
Model: NC3123 Fast Ethernet Card
Form factor: PCI
Confirmed as an HP PCI Fast Ethernet network adapter

Best for

Legacy PCI systems
Useful for maintaining network connectivity in systems that rely on a PCI interface, leveraging the HP NC3123 Fast Ethernet Card 721503-005.
Fast Ethernet LANs
Appropriate for networks using 10/100Base-TX Fast Ethernet, allowing integration into LANs operating at 10 Mbps or 100 Mbps.
Copper cabling environments
Designed for 10/100Base-TX connectivity, making it suitable for twisted-pair copper cabling with RJ-45 terminations.
Single-port network needs
Fits scenarios where a single Fast Ethernet port is sufficient, simplifying deployment and management per device.
Workstations and entry servers
Can be used in workstations or entry-level servers that require a PCI Fast Ethernet adapter for 10/100Base-TX connectivity.

Details

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Auto-Negotiation	Supports auto-negotiation for speed and duplex

Boot ROM Support	PXE remote boot capable

Interrupt Sharing	PCI shared interrupt support

Controller Chipset	Intel 82559

Supported Standards	10Base-T, 100Base-TX

Bracket Type Included	Standard full-height bracket

Driver Package Version	8.0.27.0

Duplex Modes Supported	Half duplex and full duplex

Driver Package Release Date	13 January 2006

Supported Operating Systems	Windows, Linux, Novell NetWare (via driver support)

Bus Bandwidth	132 MB/s (32-bit 33 MHz PCI)
Data Transfer Rate	10/100 Mbps (half/full duplex)

Voltage Requirement	+5 V from PCI slot
Typical Power Consumption	Less than 3 W

Networking Ports & Interfaces

Port Type	10/100Base-TX Ethernet
Port Count	1
Connector Type	RJ-45
Ethernet Speed	100 Mbps
Host Interface	PCI
Interface Type	PCI
LED Indicators	Link and activity LEDs on bracket
Data Link Protocol	Ethernet
Ethernet LAN Ports	1 RJ-45
Wake-on-LAN Support	Yes, supports Wake-on-LAN
Network Interface Details	Single RJ-45 port
Supported Network Protocols	TCP/IP, IPX/SPX, NetBEUI (via OS drivers)

HP 721503-005 10/100Base-TX PCI Fast Ethernet Card