Little Board P6d Module

http://developer.intel.com/design/network/drivers/index.htm#82559ER

Note

Intel updates its web site frequently and this location could move in the future.

Ethernet Setup

This section describes how to configure and connect the Ethernet LAN interface.

There are no jumpers to set on the Ethernet interface, and no hardware configuration, other than connecting the network cable to an appropriate connector.

Software configuration of the Ethernet interface includes the following steps:

1.In Setup, enable the Ethernet interface.

2.Install the proper driver for the network operating system you will be running. Follow Intel’s instructions for installing your driver.

Ethernet Indicator LEDs

Two LED indicator lamps are provided on the board to indicate the status of the Ethernet interface. You can use these LEDs as simple trouble-shooting aids when connecting to an Ethernet segment. Table 2-37shows the meaning of each LED.

Table 2-37. Ethernet Diagnostic LEDs

Color

Designation

Function

 

 

 

Green

D3

Link Status

 

 

 

Red

D4

TX or RX Activity

 

 

 

Watchdog Timer

The watchdog timer function restarts the system if a mishap occurs. Possible problems include: failure to boot properly; application software losing control; temporary power supply problems; failure of an interface device; unexpected conditions on the bus; or other hardware or software malfunctions. The watchdog timer helps assure proper start-up after an interruption. The Little Board P6d ROM-BIOS supports the board’s watchdog timer function in two ways:

There is an initial watchdog timer setting, specified using SETUP, which determines whether the watchdog timer monitors the system boot, and if so, how long the time-out is (30, 60, or 90 seconds). Set the initial time-out (using SETUP) long enough to guarantee that the system can boot and pass control to the application. Then, the application must periodically retrigger the timer by reading I/O Port 201h so the time-out does not occur. If the time-out does occur, the system will respond as determined by how the watchdog timer jumper, W8, is set (see Chapter 2).

There is a standard ROM-BIOS function which may be used by application software to start and stop the watchdog timer function. Ampro provides the WATCHDOG program that you can use from the command line or in a batch program to manage the watchdog timer. It is described in the

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Ampro Corporation 5001451A manual Watchdog Timer, Ethernet Setup, Ethernet Indicator LEDs, Color Designation Function

5001451A specifications

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