Cabletron Systems 9C300-1 Upgrade Instructions

Environmental module boot prom

Introduction

These upgrade instructions explain how to upgrade the Boot PROMS in the 9C300-1 Environmental Module. To help

eliminate any potential problems during or after the upgrade, please be sure to read and understand all of the instructions

in this document and in the release notes supplied in this Upgrade kit.

The upgrade involves removing the metal cover that protects the PCB board, removing the existing Boot PROMS and

replacing them with new Boot PROMS. Follow the detailed steps under each task listed to successfully complete the

replacement. Before beginning work, make sure the chassis is powered off in a logical and orderly fashion.

This Upgrade kit contains:

•

In addition to the information listed above, you will also need:

•

CAUTION

PN 9031321-02

1 prom #02151161-02 low Boot PROM

1 prom #02151162-02 high Boot PROM

1 PLCC extraction tool

1 set of release notes

1 set of 9C300-1 Environmental Module Boot PROM Upgrade Instructions

A medium size Phillips screwdriver

To avoid damage from static discharge, be sure to observe all static precautions during this

procedure. Failure to do so could result in damage to the Boot PROMS.

Page 1

Table of Contents

Do you have a question about the 9C300-1 and is the answer not in the manual?

Page 1 9C300-1 ENVIRONMENTAL MODULE BOOT PROM UPGRADE INSTRUCTIONS Introduction These upgrade instructions explain how to upgrade the Boot PROMS in the 9C300-1 Environmental Module. To help eliminate any potential problems during or after the upgrade, please be sure to read and understand all of the instructions in this document and in the release notes supplied in this Upgrade kit.
Page 2 Removing Metal Cover Before you begin, shut down the SmartSwitch 9000 Chassis in a logical and orderly manner and set up a static free work area. Remove the Environmental Module from the SmartSwitch 9000 Chassis. Set the Environmental Module down in the static free work area, with the front of the Environmental Module to the left.
Page 3 Removing Existing Boot PROMS 1. Referring to Figure 2, locate the sockets numbered U201 and U143. 2. Remove the Boot PROM, following the steps detailed in the “Extraction Procedure” section of the instruction sheet packaged with the extraction tool. 3. Repeat this procedure for the PROM in socket number U143. U201 Inserting Replacement Boot PROMS 1.
Page 4: Getting Help
Replacing Metal Cover 1. Replace the metal cover over the PCB board by lining up the holes in the metal cover with the corresponding holes on the Environmental Module. Replace the six small screws (four on the top and one on each side). 3.