GD82559ER — Networking Silicon

9.1.7Register 6: Auto-Negotiation Expansion Register Bit Definitions

Bit(s)

Name

 

Description

Default

R/W

 

 

 

 

 

 

 

 

 

 

15:5

Reserved

These bits are reserved and should be set to 0b.

0

RO

 

 

 

 

 

 

4

Parallel Detection

1

= Fault detected via parallel detection (multiple link

0

RO

 

Fault

fault occurred)

 

SC

 

 

 

 

 

 

 

0

= No fault detected via parallel detection

 

LH

 

 

 

 

 

 

 

This bit will self-clear on read

 

 

 

 

 

 

 

 

3

Link Partner Next

1

= Link Partner is Next Page able

0

RO

 

page Able

0

= Link Partner is not Next Page able

 

 

 

 

 

 

 

 

 

 

 

 

2

Next Page Able

1

= Local drive is Next Page able

0

RO

 

 

0

= Local drive is not Next Page able

 

 

 

 

 

 

 

1

Page Received

1 = New Page received

0

RO

 

 

0

= New Page not received

 

SC

 

 

This bit will self-clear on read.

 

LH

 

 

 

 

 

 

0

Link Partner Auto-

1

= Link Partner is Auto-Negotiation able

0

RO

 

Negotiation Able

0

= Link Partner is not Auto-Negotiation able

 

 

 

 

 

 

 

 

 

 

 

 

9.2MDI Registers 8 - 15

Registers eight through fifteen are reserved for IEEE.

9.3MDI Register 16 - 31

9.3.1Register 16: PHY Unit Status and Control Register Bit Definitions

Bit(s)

Name

 

Description

Default

R/W

 

 

 

 

 

 

 

 

 

 

15:14

Reserved

These bits are reserved and should be set to 00b

00

RW

 

 

 

 

 

13

Carrier Sense

This bit enables the disconnect function.

0

RW

 

Disconnect

1

= Disconnect function enabled

 

 

 

Control

 

 

 

0

= Disconnect function disabled

 

 

 

 

 

 

 

 

 

 

 

12

Transmit Flow

This bit enables Transmit Flow Control

0

RW

 

Control Disable

1

= Transmit Flow Control enabled

 

 

 

 

 

 

 

 

0

= Transmit Flow Control disabled

 

 

 

 

 

 

 

11

Receive De-

This bit indicates status of the 100BASE-TX Receive

--

RO

 

Serializer In-Sync

De-Serializer In-Sync.

 

 

 

Indication

 

 

 

 

 

 

 

 

 

10

100BASE-TX

This bit indicates the power state of 100BASE-TX

1

RO

 

Power-Down

PHY unit.

 

 

 

 

1

= Power-Down

 

 

 

 

0

= Normal operation

 

 

 

 

 

 

 

9

10BASE-T

This bit indicates the power state of 100BASE-TX

1

RO

 

Power-Down

PHY unit.

 

 

 

 

1

= Power-Down

 

 

 

 

0

= Normal operation

 

 

 

 

 

 

 

 

68

Datasheet

Page 74
Image 74
Intel GD82559ER manual MDI Registers 8, MDI Register 16, 100BASE-TX, 10BASE-T

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.