GD82559ER — Networking Silicon

 

 

 

6.1.2

100BASE-TX Transmit Blocks

37

 

 

6.1.3

100BASE-TX Receive Blocks

40

 

 

6.1.4

100BASE-TX Collision Detection

41

 

 

6.1.5

100BASE-TX Link Integrity and Auto-Negotiation Solution

41

 

 

6.1.6

Auto 10/100 Mbps Speed Selection

41

 

6.2

10BASE-T Functionality

41

 

 

6.2.1

10BASE-T Transmit Clock Generation

41

 

 

6.2.2

10BASE-T Transmit Blocks

42

 

 

6.2.3

10BASE-T Receive Blocks

42

 

 

6.2.4

10BASE-T Collision Detection

43

 

 

6.2.5

10BASE-T Link Integrity

43

 

 

6.2.6

10BASE-T Jabber Control Function

43

 

 

6.2.7

10BASE-T Full Duplex

43

 

6.3

Auto-Negotiation Functionality

43

 

 

6.3.1

Description

44

 

 

6.3.2

Parallel Detect and Auto-Negotiation

44

 

6.4

LED Description

45

7.

PCI CONFIGURATION REGISTERS

47

 

7.1 LAN (Ethernet) PCI Configuration Space

47

 

 

7.1.1

PCI Vendor ID and Device ID Registers

47

 

 

7.1.2

PCI Command Register

48

 

 

7.1.3

PCI Status Register

49

 

 

7.1.4

PCI Revision ID Register

50

 

 

7.1.5

PCI Class Code Register

50

 

 

7.1.6

PCI Cache Line Size Register

50

 

 

7.1.7

PCI Latency Timer

51

 

 

7.1.8

PCI Header Type

51

 

 

7.1.9

PCI Base Address Registers

51

 

 

7.1.10

PCI Subsystem Vendor ID and Subsystem ID Registers

53

 

 

7.1.11

Capability Pointer

53

 

 

7.1.12

Interrupt Line Register

53

 

 

7.1.13

Interrupt Pin Register

54

 

 

7.1.14

Minimum Grant Register

54

 

 

7.1.15

Maximum Latency Register

54

 

 

7.1.16

Capability ID Register

54

 

 

7.1.17

Next Item Pointer

54

 

 

7.1.18

Power Management Capabilities Register

54

 

 

7.1.19

Power Management Control/Status Register (PMCSR)

55

 

 

7.1.20

Data Register

56

8.

CONTROL/STATUS REGISTERS

57

 

8.1 LAN (Ethernet) Control/Status Registers

57

 

 

8.1.1

System Control Block Status Word

58

 

 

8.1.2

System Control Block Command Word

59

 

 

8.1.3

System Control Block General Pointer

59

 

 

8.1.4

PORT

59

 

 

8.1.5

Flash Control Register

59

 

 

8.1.6

EEPROM Control Register

59

 

 

8.1.7

Management Data Interface Control Register

59

 

 

8.1.8

Receive Direct Memory Access Byte Count

60

 

 

8.1.9

Early Receive Interrupt

60

iv

Datasheet

Page 4
Image 4
Intel GD82559ER manual PCI Configuration Registers

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.