Compaq 164SX user manual

AlphaPC 164SX Motherboard

DIGITAL UNIX

User’s Manual

Order Number: EC–R8P7B–TE

Revision/Update Information: This is a revised document. It supersedes

the AlphaPC 164SX Motherboard

DIGITAL UNIX User’s Manual,

EC–R8P7A–TE.

Contents

Main Page Contents 1 About This Manual 2 Features 3 AlphaPC 164SX Switch Configuration 4 AlphaPC 164SX Connector Pinouts 5 Memory and Microprocessor Configuration 6 Interrupts and ISA Bus Addresses 7 Alpha SRM Console Firmware 8 Troubleshooting Page Figures Tables Page About This Manual 1.1 Manual Conventions and Terminology Page Features Table 21 provides an overview of the AlphaPC 164SX motherboards features. 22 Features Figure 21 AlphaPC 164SX Switch/Connector/Component Location Page Power Requirements 2.1 Power Requirements 2.2 Environmental Requirements 2.3 Physical Parameters 26 Features Physical Parameters 2.3.1 ATX Hole Specification Figure 22 shows the ATX hole specification for the AlphaPC 164SX. Figure 22 ATX Hole Specification Features Physical Parameters 2.3.2 ATX I/O Shield Requirements Figure 23 shows the ATX I/O shield dimensions for the AlphaPC 164SX. Figure 23 ATX I/O Shield Dimensions Page AlphaPC 164SX Switch Configuration 3.1 Mini-Debugger (CF3) 3.2 CPU Speed Selection (CF[6:4]) 3.3 Fail-Safe Booter (CF7) Fail-Safe Booter (CF7) Figure 31 AlphaPC 164SX Configuration Switches AlphaPC 164SX Connector Pinouts 4.1 PCI Bus Connector Pinouts Table 41 shows the PCI bus connector pinouts. PCI Bus Connector Pinouts ISA Expansion Bus Connector Pinouts 4.2 ISA Expansion Bus Connector Pinouts Table 42 shows the ISA expansion bus connector pinouts. SDRAM DIMM Connector Pinouts 4.3 SDRAM DIMM Connector Pinouts Table 43 shows the SDRAM DIMM connector pinouts. EIDE Drive Bus Connector Pinouts 4.4 EIDE Drive Bus Connector Pinouts Table 44 shows the EIDE drive bus connector pinouts. Diskette (Floppy) Drive Bus Connector Pinouts 4.5 Diskette (Floppy) Drive Bus Connector Pinouts Table 46 shows the parallel bus connector pinouts. Table 45 shows the diskette (floppy) drive bus connector pinouts. 4.6 Parallel Bus Connector Pinouts COM1/COM2 Serial Line Connector Pinouts 4.7 COM1/COM2 Serial Line Connector Pinouts Table 48 shows the keyboard/mouse connector pinouts. Table 47 shows the COM1/COM2 serial line connector pinouts. 4.8 Keyboard/Mouse Connector Pinouts SROM Test Data Input Connector Pinouts 4.9 SROM Test Data Input Connector Pinouts Table 411 shows the enclosure fan power connector pinouts. Table 49 shows the SROM test data input connector pinouts. 4.10 Input Power Connector Pinouts Table 410 shows the input power connector pinouts. 4.12 Microprocessor Fan Power Connector Pinouts 4.13 Soft Power Connector Pinouts 4.14 Multipurpose Connector Pinouts Multipurpose Connector Pinouts Memory and Microprocessor Configuration 5.1 Configuring SDRAM Memory Upgrading SDRAM Memory 5.2 Upgrading SDRAM Memory 5.3 Increasing Microprocessor Speed 5.3.3 Removing the 21164PC Microprocessor 5.3.4 Installing the 21164PC Microprocessor Page Page Interrupts and ISA Bus Addresses 6.1 Interrupts Table 61 lists each AlphaPC 164SX ISA interrupt and its source. ISA I/O Address Map 6.2 ISA I/O Address Map Table 62 lists the AlphaPC 164SX ISA I/O space address mapping. Alpha SRM Console Firmware 7.1 Alpha SRM Console Firmware Conventions Alpha SRM Console Firmware Conventions 7.2 Basic Alpha SRM Console Command Descriptions arc boot Page Page deposit <data> The data to be deposited. Options Page examine Page Page fwupdate set Page show 7.3 Environment Variables for Alpha SRM Console Commands 7.3.1 Environment Variable Descriptions Page Page Page Using the AlphaBIOS Firmware Update Utility to Update the Flash ROM 7.4 Using the AlphaBIOS Firmware Update Utility to Update the Flash ROM 7.4.1 AlphaBIOS Conventions Page Page Page Page Page Page 7.5 Installing the DIGITAL UNIX Operating System Page Troubleshooting 8.1 Hardware Startup Beep Codes 8.2 Beep Codes 8.3 Post Codes Post Codes Fail-Safe Booter 8.4 Fail-Safe Booter Battery Recycle/Disposal Information Page A Support, Products, and Documentation A.1 Customer Support Supporting Products A.2 Supporting Products A.2.1 Memory A.2.2 Thermal Products A.2.3 Power Supply Associated Documentation A.3 Associated Documentation Associated Documentation