IBM 16/4 Token-Ring PCI Management Adapter

Introduction to the IBM 16/4 Token-Ring PCI Management Adapter

This chapter describes the adapter, the contents of the adapter kits, and the other materials you will need to install the adapter.

It is important that you are familiar with the computer in which the adapter will be installed and the computer's operating system and network software.

The IBM 16/4 Token-Ring PCI Management Adapter is a 32-bit, bus-master, token-ring adapter for the PCI bus architecture. The unique, high-quality filter design supports connection to a token-ring network that is wired with shielded twisted-pair (STP) or unshielded twisted-pair (UTP) cabling. The adapter can be used in PCI-compatible slots that operate at speeds up to 33 MHz.

Features of this adapter include:

• Adapter management capability that is provided by SNMP.
• Desktop Management Interface (DMI) provided by the LAN Adapter Management Agent. For an end-to-end management solution, you can use the agent in conjunction with the Nways^(R) Workgroup Manager Version 1.1 or later and Nways Manager for AIX^(R) Version 1.2 or later.
• Automatic ring-speed detection.
• Support for a wide variety of network operating systems and network applications.
• Support for full-duplex (FDX), token-ring LAN operation.
• Support for microcode update.
• Automatic configuration of I/O, memory, ROM space, and interrupt level by PCI BIOS on power-up.
• Designed for use with either a half-size or full-size, 5-V or 3.3-V signaling, 32-bit or 64-bit PCI-bus slot.
• The IBM 16/4 Token-Ring PCI Management Adapter uses less than 1 watt of power.

See IBM Token-Ring Adapter Features for information regarding the following features:

• Preboot Execution Environment (PXE)
• Remote Program Load (RPL)
• LAN Adapter Management Agent
• Route Switching
• Class of Service
• Redundant NIC (RNIC)
• Tivoli^(R) Management Agent

Adapter installation checklist

To install your adapter, complete the following steps. You might want to mark this page for easy retrieval or make a copy for reference.

1. Prepare for installation. You will need the following items:
   • The manual provided with your computer
   • The manual provided with your network operating system or network application
   • Your operating system and network application software
2. Check the shipping package contents list Package contents.
3. Install the adapter hardware. See Installing the adapter hardware.
4. Install the adapter software. See Software installation.

   After the software is installed, installation is complete.

Environment limitations on number of adapters

There is a limit to the number of adapters that can be accommodated in certain operating environments. The limits are listed in the following table.

Table 1. Environment limitations

Device Driver	Maximum Number of adapters
Novell ODI OS/2(R) Client	2
Novell ODI DOS Client	1
NDIS 2.0 DOS	1

Package contents

The IBM 16/4 Token-Ring PCI Management Adapter comes with the following features:

• Automatic Configuration and Power Interface (ACPI)/PCI power management feature
• Wake on LAN feature

These features are described in the following sections.

Automatic Configuration and Power Interface (ACPI)

If your computer supports ACPI, then it has built-in energy-saving capabilities. When ACPI is enabled (usually through the computer BIOS settings), the operating system is allowed to control the power management features of your computer. Not all operating systems support ACPI BIOS mode. Refer to your operating system documentation to determine if ACPI is supported. Refer to your computer system documentation to determine if ACPI BIOS is offered and the method by which it can be enabled. The adapter implements the PCI Bus Power Management Interface Specification Version 1.0 that works together with ACPI. Under control of the operating system, the adapter (and the entire system) can be placed in various power-saving modes and be dynamically configured to look for network protocol-specific events. Upon detection of these events, the adapter can signal a wake-up condition which will bring the system to a fully-powered (operational) state.

Some systems might need to be configured through BIOS settings (configuration/setup utilities) to allow PCI devices to wake a system. Refer to your computer system documentation for automatic power-on feature settings (or PCI wake-up features).

Wake on LAN

Adapters that support this feature can turn on a system that is powered off. The adapter uses an auxiliary 3-volt power pin that is available on the PCI bus beginning with PCI version 2.2. No additional auxiliary power cables are required. The 3-volt PCI auxiliary power pin supplies power to the adapter. A control register on the adapter determines whether the adapter is powered on by the 3-volt auxiliary power source. This register is controlled by the system BIOS. If the BIOS enables the control register bit, then the adapter always has a source of power, even when the system is powered off (system power cord is connected to a live power outlet). When the system is powered off, the adapter automatically inserts into the network and looks for a special frame. This frame is commonly referred to as a magic packet. Upon detection of the magic packet, the adapter signals the system to turn on the power supply, thus turning on the computer system. The magic packet is a frame sent by another computer system usually running an application that provides remote system management.

Attention: Some PCs with multiple PCI slots that support Wake on LAN and 3.3-volt auxiliary power may not have an adequate 3.3-volt power supply to power more than just a few of the slots with auxiliary 3.3 volts. Check with your PC supplier to determine the number of PCI slots that can be concurrently populated, and still meet the current limit of 375 mA per slot (for auxiliary 3.3 volts). This limit is specified in the PCI Bus Power Management Interface Specification Revision 1.1.