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HP DC71XX, DX61XX Keyboard Scan Codes, Table C-2. (Continued)

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Keyboard

Table C-2. (Continued)

Keyboard Scan Codes

Make/Break Codes (Hex)

Key
Key
Pos.	Legend		Mode 1		Mode 2		Mode 3

14	Print Scrn		E0 2A E0 37/E0 B7 E0 AA		E0	2A E0 7C/E0 F0 7C E0 F0 12	57/na
			E0	37/E0 B7 [1] [2]	E0	7C/E0 F0 7C [1] [2]
		54/84 [3]			84/F0 84 [3]

15	Scroll Lock	46/C6			7E/F0 7E		5F/na

16	Pause		E1	1D 45 E1 9D C5/na	E1	14 77 E1 F0 14 F0 77/na	62/na
			E0	46 E0 C6/na [3]	E0	7E E0 F0 7E/na [3]

17	`		29/A9		0E/F0 E0		0E/F0 0E

18	1	02/82			16/F0 16		46/F0 46

19	2	03/83			1E/F0 1E		1E/F0 1E

20	3	04/84			26/F0 26		26/F0 26

21	4	05/85			25/F0 25		25/F0 25

22	5	06/86			2E/F0 2E		2E/F0 2E

23	6	07/87			36/F0 36		36/F0 36

24	7	08/88			3D/F0 3D		3D/F0 3D

25	8	09/89			3E/F0 3E		3E/F0 3E

26	9		0A/8A		46/F0 46		46/F0 46

27	0		0B/8B		45/F0 45		45/F0 45

28	-		0C/8C		4E/F0 4E		4E/F0 4E

29	=		0D/8D		55/F0 55		55/F0 55

30	\		2B/AB		5D/F0 5D		5C/F0 5C

31	Backspace		0E/8E		66/F0 66		66/F0 66

32	Insert		E0	52/E0 D2	E0	70/E0 F0 70	67/na
			E0	AA E0 52/E0 D2 E0 2A [4]	E0	F0 12 E0 70/E0 F0 70 E0 12 [5]
			E0	2A E0 52/E0 D2 E0 AA [6]	E0	12 E0 70/E0 F0 70 E0 F0 12 [6]

33	Home	E0		47/E0 D2	E0	6C/E0 F0 6C	6E/na
			E0	AA E0 52/E0 D2 E0 2A [4]	E0	F0 12 E0 6C/E0 F0 6C E0 12 [5]
			E0	2A E0 47/E0 C7 E0 AA [6] E0 12 E0 6C/E0 F0 6C E0 F0 12 [6]

34	Page Up		E0	49/E0 C7	E0	7D/E0 F0 7D	6F/na
			E0	AA E0 49/E0 C9 E0 2A [4]	E0	F0 12 E0 7D/E0 F0 7D E0 12 [5]
			E0	2A E0 49/E0 C9 E0 AA [6]	E0	12 E0 7D/E0 F0 7D E0 F0 12 [6]

C-12

361834-002

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 BIOS ROM AError Messages and Codes BASCII Character Set CKeyboard Index Introduction 1.1About this Guide 1.1.1 Online Viewing 1.1.2 Hardcopy 1.2Additional Information Sources 1.3Model Numbering Convention 1.4Serial Number 1.5Notational Conventions 1.5.1 Values 1.5.2 Ranges 1.5.3 Register Notation and Usage 1.6Common Acronyms and Abbreviations Page Page Page Page Page Page System Overview 2.1Introduction 2.2 Features And Options 2.2.1 Standard Features Difference Matrix by Form Factor 2.3Mechanical Design 2.3.1 Cabinet Layouts Front Views Page Page Page Page Rear Views Page Page Page Page 2.3.2 Chassis Layouts UIltra Slim Desktop Chassis Small Form Factor / Slim Tower Chassis Microtower Chassis Convertible Minitower 2.3.3 Board Layouts Page Page 2.4 System Architecture Page 2.4.1 Intel Pentium 4 Processor 2.4.2 Chipset 2.4.3 Support Components 2.4.4 System Memory 2.4.5 Mass Storage 2.4.6 Serial and Parallel Interfaces 2.4.7 Universal Serial Bus Interface 2.4.8 Network Interface Controller 2.4.9 Graphics Subsystem 2.4.10 Audio Subsystem 2.5 Specifications Page Page Optical Drive Specifications Page Page Processor/Memory Subsystem 3.1Introduction 3.2Pentium 4 Processor 3.2.1 Processor Overview 3.2.2 Processor Upgrading 3.3Memory Subsystem Page SPD Address Map (SDRAM DIMM) Page Page System Support 4.1Introduction 4.2PCI Bus Overview 4.2.1 PCI 2.3 Bus Operation I/O and Memory Cycles Configuration Cycles Page PCI 2.3 Bus Master Arbitration 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 PCI Express Connectors 4.3 System Resources 4.3.1 Interrupts Maskable Interrupts 8259 Mode Maskable Interrupt Priorities and Assignments APIC Mode Non-MaskableInterrupts NMI Status Register 61h SMI- Generation 4.3.2 Direct Memory Access DMA Page Registers DMA Controller Registers 4.4 Real-TimeClock and Configuration Memory 4.4.1 Clearing CMOS 4.4.2 CMOS Archive and Restore 4.4.3 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 4.6 Register Map and Miscellaneous Functions 4.6.1 System I/O Map 4.6.2 LPC47B397 I/O Controller Functions Page Input/Output Interfaces 5.1Introduction 5.2PATA/SATA Interfaces IDE Programming IDE Configuration Registers EIDE PCI Configuration Registers (82801) IDE (PATA) Connector 40-PinIDE (PATA) Connector Pinout SATA Interfaces SATA Programming SATA Connector 5.3Diskette Drive Interface 5.3.1 Diskette Drive Programming Diskette Drive Interface Configuration Page Diskette Drive Interface Control Table 5-8. (Continued) 5.3.2 Diskette Drive Connector 5.4Serial Interface 5.4.1 Serial Connector 5.4.2 Serial Interface Programming Serial Interface Configuration Serial Interface Control 5.5Parallel Interface 5.5.1 Standard Parallel Port Mode 5.5.2 Enhanced Parallel Port Mode 5.5.3 Extended Capabilities Port Mode 5.5.4 Parallel Interface Programming Parallel Interface Configuration Parallel Interface Control 5.5.5 Parallel Interface Connector 5.6Keyboard/Pointing Device Interface 5.6.1 Keyboard Interface Operation 8042-To-KeyboardCommands 5.6.2 Pointing Device Interface Operating 5.6.3 Keyboard/Pointing Device Interface Programming 8042 Configuration 8042 Control I/O Port 64h CPU Commands to the Table 5-18. (Continued) 5.6.4 Keyboard/Pointing Device Interface Connector 5.7Universal Serial Bus Interface 5.7.1 USB Data Formats 5.7.2 USB Programming USB Configuration USB Control 5.7.3 USB Connector 5.7.4 USB Cable Data 5.8Audio Subsystem 5.8.1 AC97 Audio Controller 5.8.2AC97 Link Bus 5.8.3 Audio Codec 5.8.4 Audio Programming Audio Configuration Audio Control 5.8.5 Audio Specifications 5.9Network Interface Controller 5.9.1 Wake-On-LANSupport 5.9.2 Alert Standard Format Support 5.9.3 Power Management Support 5.9.4 NIC Programming 5.9.5 NIC Connector 5.9.6 NIC Specifications Page Integrated Graphics Subsystem 6.1Introduction 6.2 Functional Description Page 6.2.1 Video Memory Allocation Reporting 6.3Display Modes 6.4Upgrading Graphics 6.5 VGA Monitor Connector Power and Signal Distribution 7.1Introduction 7.2Power Supply Assembly/Control 7.2.1 Power Supply Assembly 300-Watt(MT) Power Supply Assembly Specifications 340-Watt(MT/CMT) Power Supply Assembly Specifications 7.2.2 Power Control Power Button Power LED Indications Wake Up Events Wake-On-LAN Modem Ring Power Management Event 7.2.3 Power Management 7.3Power Distribution 7.3.1 3.3/5/12 VDC Distribution Page Page Page 7.3.2 Low Voltage Production/Distribution 7.4Signal Distribution Page Page Page BIOS ROM 8.1Introduction 8.2ROM Flashing 8.2.1 Upgrading 8.2.2Changeable Splash Screen 8.3 Boot Functions 8.3.1 Boot Device Order 8.3.2 Network Boot (F12) Support 8.3.3 Memory Detection and Configuration 8.3.4 Boot Error Codes 8.4 Setup Utility Diskette Type Drive Emulation Drive Type Emulation Options Default Values IDE/SATA Translation Parameters (ATA disks only) Storage Options Removable Media Boot Legacy Diskette Write BIOS DMA Data Transfers SATA Emulation Secondary SATA Controller Shortcut to Temporarily Override Boot Order one time Enter boot (CTRL+ALT+DEL) Page Page Page F9=Boot Menu Storage Boot Order F10=Setup F12 Page Num Lock 8.5 Client Management Functions 8.5.1 System ID and ROM Type 8.5.2 Temperature Status 8.5.3 Drive Fault Prediction 8.6 PnP Support 8.6.1 SMBIOS 8.7USB Legacy Support Page Error Messages and Codes A.1 Introduction A.2 Beep/Keyboard LED Codes A.3 Power-OnSelf Test (POST) Messages Page Page 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) Page A.20 Pointing Device Interface Error Messages (8601-xx) Page ASCII Character Set B.1 Introduction Page Page Page Keyboard C.1 Introduction C.2 Keystroke Processing Page C.2.1 PS/2-TypeKeyboard Transmissions C.2.2 USB-TypeKeyboard Transmissions C.2.3 Keyboard Layouts C.2.3.1 Standard Enhanced Keyboards C.2.3.2 Windows Enhanced Keyboards C.2.3.3 Easy Access Keyboard C.2.4 Keys C.2.4.1 Special Single-KeystrokeFunctions C.2.4.2 Multi-KeystrokeFunctions C.2.4.3 Windows Keystrokes C.2.4.4 Easy Access Keystrokes C.2.5 Keyboard Commands C.2.6 Scan Codes Table C-2. (Continued) Page Page Page Page C.3 Connectors Page Numerics Index