HP MAY21J8412 28

System Overview

2-12

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Technical Reference Guide

Contents

Technical Reference Guide Technical Reference Guide Contents 1 Introduction 2 System Overview 3 Processor/Memory Subsystem 4 System Support 5 Input/Output Interfaces 6 Integrated Graphics Subsystem 7 Power and Signal Distribution 8 SYSTEM BIOS A Error Messages and Codes Index Introduction 1.1About this Guide 1.1.1 Online Viewing 1.1.2 Hardcopy 1.2Additional Information Sources 1.3Serial Number 1.4Notational Conventions 1.4.1 Special Notices 1.4.2Values 1.5Common Acronyms and Abbreviations Page Page Page Page Page Page Page System Overview 2.1Introduction 2.2 Features Feature Differences by Form Factor 2.3System Architecture Page 2.3.1 Intel Processor Support 2.3.2Chipset 2.3.3 Support Components 2.3.4System Memory 2.3.5 Mass Storage Accommodations 2.3.6 Legacy Input/Output Interfaces PS/2 Port Serial port Parallel port 2.3.9 Graphics Subsystem 2.3.10 Audio Subsystem 2.3.11 HP ProtectTools Embedded Security 2.4 Specifications Physical Specifications Page Processor/Memory Subsystem 3.1Introduction 3.2Intel Processor 3.2.1 Intel Processor Features 3.2.2 Processor Changing/Upgrading 3.3Memory Subsystem 3.3.1 Memory Upgrading 3.3.2Memory Mapping and Pre-allocation Page System Support 4.1Introduction 4.2PCI Bus Overview 4.2.1 PCI 2.3 Bus Operation 4.2.2 PCI Express Bus Operation Software/Driver Layer Transaction Protocol Layer Link Layer Physical Layer 4.2.3 Option ROM Mapping 4.2.4 PCI Interrupts 4.2.5 PCI Power Management Support 4.2.6 PCI Connectors PCI 2.3 Connector PCIe Connectors 4.3 System Resources 4.3.1 Interrupts 4.3.2Direct Memory Access 4.4 Real-TimeClock and Configuration Memory 4.4.1 Clearing CMOS 4.4.2 Standard CMOS Locations 4.5 System Management 4.5.1 Security Functions Power-On /Setup Password Setup Password Cable Lock Provision I/O Interface Security Chassis Security 4.5.2 Power Management 4.5.3 System Status 4.5.4 Thermal Sensing and Cooling 4.6Register Map and Miscellaneous Functions 4.6.1 System I/O Map System I/O Map 4.6.2 GPIO Functions PCH-DOFunctions SIO Controller Functions Page Input/Output Interfaces 5.1Introduction 5.2SATA/eSATA Interfaces 5.2.1SATA interface 5.2.2 eSATA interface 5.3Serial Interface 5.4Parallel Interface Support 5.4.1 Standard Parallel Port Mode 5.4.2 Enhanced Parallel Port Mode 5.4.3 Extended Capabilities Port Mode 5.4.4 Parallel Interface Connector 5.5Keyboard/Pointing Device Interface 5.5.1 Keyboard Interface Operation 5.5.2 Pointing Device Interface Operation 5.5.3 Keyboard/Pointing Device Interface Connectors 5.6Universal Serial Bus Interface 5.6.1 USB Connector 5.6.2 USB Cable Data 5.7Audio Subsystem 5.7.1 HD Audio Controller 5.7.2HD Audio Link Bus 5.7.3 Audio Multistreaming 5.7.4 Audio Specifications 5.8Network Interface Controller 5.8.1Wake-On-LANSupport 5.8.2 Power Management Support 5.8.3 NIC Connector 5.8.4 NIC Specifications Integrated Graphics Subsystem 6.1Introduction 6.2Functional Description Supported Intel Processor IGC Specifications less Settings Advanced Adapter Page 6.3Upgrading 6.4Monitor Connectors 6.4.1 Analog Monitor Connector 6.4.2DisplayPort Connector Power and Signal Distribution 7.1Introduction 7.2Power Distribution 7.2.1 USDT Power Distribution 7.2.2 SFF/MT/CMT Power Distribution SFF 240-WattPower Supply Unit Specifications MT/CMT 320-WattPower Supply Unit Specifications 7.3Power Control 7.3.1 Power Button Power LED Indications Power LED Condition 7.3.2 Wake Up Events 7.4Power Management System Power States Power State System Condition 7.5Signal Distribution Table 7-7. (Continued) Page Page System BIOS 8.1Introduction 8.2 ROM Flashing 8.2.1 Upgrading 8.2.2Changeable Splash Screen 8.3 Boot Functions 8.3.1 Boot Device Order 8.3.2Network Boot (F12) Support 8.3.3 Memory Detection and Configuration 8.3.4Boot Error Codes Boot Error Codes 8.4 Client Management Functions 8.4.1 System ID and ROM Type 8.4.2 Temperature Status 8.5 SMBIOS Support 8.6USB Legacy Support 8.7 Management Engine Functions Error Messages and Codes A.1 Introduction A.2 Beep/Power LED Codes A.3 Power-OnSelf Test (POST) Messages Page Page root directory. Do not power down system until A.4 System Error Messages (1xx-xx) A.5 Memory Error Messages (2xx-xx) A.6 Keyboard Error Messages (30x-xx) A.7 Printer Error Messages (4xx-xx) A.8 Video (Graphics) Error Messages (5xx-xx) A.9 Diskette Drive Error Messages (6xx-xx) A.10 Serial Interface Error Messages (11xx-xx) A.11 Modem Communications Error Messages (12xx-xx) A.12 System Status Error Messages (16xx-xx) A.13 Hard Drive Error Messages (17xx-xx) Page A.14 Hard Drive Error Messages (19xx-xx) A.15 Video (Graphics) Error Messages (24xx-xx) A.16 Audio Error Messages (3206-xx) A.17 DVD/CD-ROMError Messages (33xx-xx) A.18 Network Interface Error Messages (60xx-xx) A.19 SCSI Interface Error Messages (65xx-xx, 66xx-xx, 67xx-xx) A.20 Pointing Device Interface Error Messages (8601-xx) Numerics Index