AlphaServer GS80/160/320 Firmware Reference Manual Order Number: EK-GS320-RM. C01 This manual is for users and field service engineers for Compaq AlphaServer GS80/160/320 systems. It describes the firmware interface to these systems. Compaq Computer Corporation Revised September 2000 © 2000 Compaq Computer Corporation. COMPAQ, the Compaq logo, and AlphaServer registered in U.S. Patent and Trademark Office. OpenVMS, StorageWorks, and Tru64 are trademarks of Compaq Information Technologies Group, L.P. Portions of the software are © copyright Cimetrics Technology. Linux is a registered trademark of Linus Torvalds in several countries. UNIX is a registered trademark of The Open Group in the U.S. and other countries. All other product names mentioned herein may be trademarks of their respective companies. Compaq shall not be liable for technical or editorial errors or omissions contained herein. The infor- mation in this document is subject to change without notice. FCC Notice This equipment generates, uses, and may emit radio frequency energy. The equipment has been type tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of FCC rules, which are designed to provide reasonable protection against such radio frequency interference. Operation of this equipment in a residential area may cause interference in which case the user at his own expense will be required to take whatever measures may be required to correct the interference. Any modifications to this device—unless expressly approved by the manufacturer—can void the user’s authority to operate this equipment under part 15 of the FCC rules. Modifications The FCC requires the user to be notified that any changes or modifications made to this device that are not expressly approved by Compaq Computer Corporation may void the user's authority to operate the equipment. Cables Connections to this device must be made with shielded cables with metallic RFI/EMI connector hoods in order to maintain compliance with FCC Rules and Regulations. Taiwanese Notice Japanese Notice Canadian Notice This Class A digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations. Avis Canadien Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada. European Union Notice Products with the CE Marking comply with both the EMC Directive (89/336/EEC) and the Low Voltage Directive (73/23/EEC) issued by the Commission of the European Community. Compliance with these directives implies conformity to the following European Norms (in brackets are the equivalent international standards): EN55022 (CISPR 22) - Electromagnetic Interference EN50082-1 (IEC801-2, IEC801-3, IEC801-4) - Electromagnetic Immunity EN60950 (IEC950) - Product Safety Warning! This is a Class A product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures. Achtung! Dieses ist ein Gerät der Funkstörgrenzwertklasse A. In Wohnbereichen können bei Betrieb dieses Gerätes Rundfunkstörungen auftreten, in welchen Fällen der Benutzer für entsprechende Gegenmaßnahmen verantwortlich ist. Attention! Ceci est un produit de Classe A. Dans un environnement domestique, ce produit risque de créer des interférences radioélectriques, il appartiendra alors à l'utilisateur de prendre les mesures spécifiques appropriées. Contents Preface ..................................................................................................................... xiii Chapter 1 Introduction to the Firmware 1.1 System Console Device.......................................................................... 1-2 1.2 Remote Console Operations .................................................................. 1-4 1.3 Booting an Operating System............................................................... 1-6 1.4 Setting Up and Initializing Partitions.................................................. 1-8 1.5 Firmware User Interface Overview .................................................... 1-10 Chapter 2 Hardware Overview 2.1 System Overview................................................................................... 2-2 2.1.1 Front and Rear View of a GS80 System ......................................... 2-2 2.1.2 Front and Rear View of a GS160/320 System................................. 2-4 2.2 Control Panel ........................................................................................ 2-6 2.3 Ports Provided by the Primary PCI ...................................................... 2-8 2.4 Quad Building Block (QBB) ................................................................ 2-10 2.4.1 QBB in GS80 Systems .................................................................. 2-10 2.4.2 QBB in GS160/320 Systems.......................................................... 2-12 2.5 System Drawers and System Boxes.................................................... 2-14 2.5.1 System Drawers in a GS80 System .............................................. 2-14 2.5.2 System Box in a GS160 System.................................................... 2-16 2.5.3 Two System Boxes in System Cabinet 1....................................... 2-18 2.5.4 System Boxes in System Cabinet 2............................................... 2-20 2.6 Hard QBB Numbers............................................................................ 2-22 2.7 QBB and PCI Box Connections........................................................... 2-24 2.7 Console Serial Bus .............................................................................. 2-26 2.8 System Power-up ................................................................................ 2-28 Chapter 3 Remote Console Operations 3.1 Overview of Remote Setup and Operation............................................ 3-2 v 3.2 Remote Operations Command Summary ............................................. 3-4 3.3 Displaying Help on SCM Console Commands ...................................... 3-5 3.4 Setting Up for a Remote Console .......................................................... 3-6 3.5 Dialing in and Invoking SCM ............................................................... 3-8 3.6 Transmission Modes ........................................................................... 3-10 3.6.1 Through and Local Mode .............................................................. 3-10 3.6.2 Bypass Modes ............................................................................... 3-12 3.7 Displaying System Status................................................................... 3-14 3.7.1 Show CSB ..................................................................................... 3-14 3.7.2 Show System Command ............................................................... 3-16 3.7.2 Show FRU Command.................................................................... 3-18 3.8 Controlling Power to the System ........................................................ 3-20 3.9 Leaving the SCM Command-Line Interpreter.................................... 3-21 3.10 Terminating the Remote Session........................................................ 3-22 Chapter 4 Partitions 4.1 Maintaining Partitions at Separate Consoles....................................... 4-2 4.2 Hard and Soft Partitions....................................................................... 4-4 4.2.1 Hard Partitions............................................................................... 4-4 4.2.2 Soft Partitions................................................................................. 4-6 4.3 Hardware Requirements....................................................................... 4-8 4.4 Defining Hard Partitions .................................................................... 4-10 4.4.1 SCM Commands that Define Hard Partitions.............................. 4-10 4.4.2 Detailed Directions for hp_qbb_mask........................................... 4-12 4.5 Defining Soft Partitions ...................................................................... 4-14 4.5.1 SRM Commands That Define Soft Partitions............................... 4-14 4.5.2 Detailed Directions for lp_io_mask............................................... 4-16 4.5.3 Detailed Directions for lp_cpu_mask............................................ 4-18 4.5.4 Detailed Directions for lp_mem_size ............................................ 4-20 4.5.5 Detailed Directions for lp_shared_mem_size................................ 4-22 4.5.6 Lpinit Command........................................................................... 4-24 4.6 Soft Partitions Within Hard Partitions .............................................. 4-26 4.7 Master and Slave SCMs...................................................................... 4-28 4.8 SCM Functionality from Master and Slave SCMs.............................. 4-30 Chapter 5 Booting an Operating System 5.1 Preparation ........................................................................................... 5-2 5.1.1 Set os_type Environment Variable ................................................. 5-2 5.1.2 Set Console Environment Variable................................................. 5-3 5.1.3 Set auto_action Environment Variable .......................................... 5-4 vi 5.2 Selecting a Boot Device......................................................................... 5-6 5.2.1 Show Device Commands................................................................