AlphaPC 164SX/164LX/164 Motherboards Firmware Update Procedures

This document outlines the procedures for updating the firmware on Compaq AlphaPC 164SX, 164LX, and 164 motherboards. Key aspects of the guide include:

• Firmware Update Utilities: It details the use of the Loadable Firmware Update (LFU) utility for the 164SX and 164LX models, and the standalone firmware update utility for the 164 model.
• Operational Procedures: The guide provides step-by-step instructions on booting from the Alpha Firmware CD-ROM, using terminal commands (such as show device and boot) to initiate updates, and managing adapter firmware for components like the DEPFA and KZPSA interfaces.
• NVRAM Management: It explains how to save (save_nvram) and restore (restore_nvram) system NVRAM data to a diskette, a feature exclusive to the LFU.
• Release Notes: The document includes technical notes regarding EIDE PCI interrupt error messages on the 164LX and instructions for migrating from AlphaBIOS to the SRM Console firmware on the 164LX/SX.