GD82559ER — Networking Silicon

Bit(s)

Name

 

Description

Default

R/W

 

 

 

 

 

 

 

 

 

 

9

Restart Auto-

This bit restarts the Auto-Negotiation process and is self-

0

RW

 

Negotiation

clearing.

 

SC

 

 

 

 

 

 

 

1

= Restart Auto-Negotiation process

 

 

 

 

 

 

 

8

Duplex Mode

This bit controls the duplex mode when Auto-Negotiation

0

RW

 

 

is disabled. If the PHY reports that it is only able to

 

 

 

 

operate in one duplex mode, the value of this bit shall

 

 

 

 

correspond to the mode which the PHY can operate.

 

 

 

 

When the PHY is placed in Loopback mode, the behavior

 

 

 

 

of the PHY shall not be affected by the status of this bit,

 

 

 

 

bit 8.

 

 

 

 

1

= Full Duplex

 

 

 

 

0

= Half Duplex

 

 

 

 

 

 

 

7

Collision Test

This bit will force a collision in response to the assertion

0

RW

 

 

of the transmit enable signal.

 

 

 

 

1

= Force COL

 

 

 

 

0

= Do not force COL

 

 

 

 

 

 

 

6:0

Reserved

These bits are reserved and should be set to 0000000b.

0

RW

 

 

 

 

 

 

9.1.2Register 1: Status Register Bit Definitions

Bit(s)

Name

 

Description

Default

R/W

 

 

 

 

 

 

 

 

 

 

15

Reserved

This bit is reserved and should be set to 0b.

0

RO

 

 

 

 

 

E

 

 

 

 

 

 

14

100BASE-TX Full

1

= PHY able to perform full duplex 100BASE-TX

1

RO

 

Duplex

 

 

 

 

 

 

 

 

 

 

13

100 Mbps Half

1

= PHY able to perform half duplex 100BASE-TX

1

RO

 

Duplex

 

 

 

 

 

 

 

 

 

 

12

10 Mbps Full

1

= PHY able to operate at 10Mbps in full duplex

1

RO

 

Duplex

mode

 

 

 

 

 

 

 

 

11

10 Mbps Half

1

= PHY able to operate at 10 Mbps in half duplex

1

RO

 

Duplex

mode

 

 

 

 

 

 

 

10:7

Reserved

These bits are reserved and should be set to 0000b.

0

RO

 

 

 

 

 

 

6

Management

0

= PHY will not accept management frames with

0

RO

 

Frames Preamble

preamble suppressed

 

 

 

Suppression

 

 

 

 

 

 

 

 

 

 

5

Auto-Negotiation

1

= Auto-Negotiation process completed

0

RO

 

Complete

0

= Auto-Negotiation process has not completed

 

 

 

 

 

 

 

 

 

 

 

 

4

Remote Fault

0

= No remote fault condition detected

0

RO

 

 

 

 

 

 

3

Auto-Negotiation

1

= PHY is able to perform Auto-Negotiation

1

RO

 

Ability

 

 

 

 

 

 

 

 

 

 

2

Link Status

1

= Valid link has been established

0

RO

 

 

0

= Invalid link detected

 

LL

 

 

 

 

 

 

1

Jabber Detect

1

= Jabber condition detected

0

RO

 

 

0

= No jabber condition detected

 

LH

 

 

 

 

 

 

0

Extended

1

= Extended register capabilities enabled

1

RO

 

Capability

 

 

 

 

 

 

 

 

 

 

66

Datasheet

Page 72
Image 72
Intel GD82559ER manual Register 1 Status Register Bit Definitions

GD82559ER specifications

The Intel GD82559ER is a highly regarded network interface controller (NIC) designed for use in various computing environments, primarily for stable connectivity in both desktop and server applications. Released as part of the 82559 family of Ethernet controllers, the GD82559ER features advanced technologies that enhance performance, reliability, and manageability.

One of the standout features of the 82559ER is its ability to support both 10/100 Mbps Ethernet. This dual capability allows the controller to operate in a wide range of network settings, making it adaptable to legacy systems while also providing support for modern Ethernet standards. This versatility is crucial for organizations looking to maintain operational effectiveness without the need for immediate upgrades to their existing infrastructure.

The GD82559ER employs a PCI interface, which allows it to connect with various devices and motherboards easily, making it a go-to choice for manufacturers aiming for integration in their systems. It also includes features like Auto-Negotiation, enabling the NIC to automatically detect and select the appropriate speed and duplex mode for optimal performance. This capability is essential in dynamic networking environments, where devices from various generations coexist.

Power management is another critical aspect of the GD82559ER. The controller supports advanced power-saving features like PCI Power Management, reducing energy consumption during low-usage periods. This not only contributes to lower operational costs but also aligns with modern eco-friendly initiatives in technology.

Additionally, the GD82559ER comes equipped with advanced diagnostics and monitoring capabilities. This enhances the network's manageability by allowing administrators to track performance metrics and diagnose issues effectively. Through its onboard diagnostics, the controller aids in ensuring a stable network connection, allowing for timely interventions when issues arise.

The controller is also designed with a robust architecture that supports various operating systems, facilitating a broad implementation across different platforms. As a result, the GD82559ER has become a reliable option for system builders and enterprises focused on building dependable networking solutions.

Overall, the Intel GD82559ER is a versatile, high-performance network interface controller that continues to serve as a foundational component for computer systems that require efficient, reliable networking capabilities. Its combination of technologies and features makes it a popular choice in diverse computing environments.