Upgrade Instructions for the BayStack 100-series Version D Boot Firmware2 893-00978-APackage ContentsThe BayStack 100-series NMM Version D Boot Firmware upgrade kit containsthe following components:• A boot PROM for the type of NMM you have:– Bay Networks part number CG1011003 for Basic NMMs– Bay Networks part number CG1011005 for Advanced and SA NMMs• One copy of this guide, Upgrade Instructions for the BayStack 100-seriesVersion D Boot Firmware (Bay Networks part number 893-00978-A)Required ToolsTo perform the boot PROM upgrade, you need the following tools:• A #1 Phillips screwdriver for removing the NMM• A #2 Phillips screwdriver for removing rack-mounting screws• An industry-standard IC extraction tool or equivalentRemoving the NMM from the HubIf you need to remove the NMM from the hub before you replace the boot PROM,follow these steps:1. Warn network users to take precautions, such as saving their work orlogging out of active session applications, before network maintenance isperformed.2. Turn off the power to the hub by disconnecting the power cord, first fromthe wall outlet and then from the hub.3. If necessary, disconnect network cables from the hub. Be sure all cablesare accurately labeled for later reconnection.4. If the hub is installed in a rack, remove it.Note: Only qualified technicians should install and service this equipment.