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HP Dc7700 HP Compaq dx7300 and dc7700 Business PC Technical Reference Guide, 1 - Page 184

C.2.4.3 Windows Keystrokes, Window Logo + CTRL + F

UPC - 882780715318

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Keyboard Alt-The Alt keys (pos. 93/95) can be used in conjunction with the same keys available for use with the Ctrl keys with the exception that position 14 (SysRq) is available instead of position 16 (Break). The Alt key can also be used in conjunction with the numeric keypad keys (pos. 55-57, 72-74, and 88-90) to enter the decimal value of an ASCII character code from 1-255. The application determines the actual function of the keystrokes. Both Alt key positions provide identical functionality. The combination keystroke of Alt and SysRq results in software interrupt 15h, AX=8500h being executed. It is up to the application to use or not use this BIOS function. The Ctrl and Alt keys can be used together in conjunction with keys in positions 1-13, 17-34, 39-54, 60-71, and 76-84. The Ctrl and Alt key positions used and the sequence in which they are pressed make no difference as long as they are held down at the time the third key is pressed. The Ctrl, Alt, and Delete keystroke combination (required twice if in the Windows environment) initiates a system reset (warm boot) that is handled by the BIOS. C.2.4.3 Windows Keystrokes Windows-enhanced keyboards include three additional key positions. Key positions 110 and 111 (marked with the Windows logo ) have the same functionality and are used by themselves or in combination with other keys to perform specific "hot-key" type functions for the Windows operating system. The defined functions of the Windows logo keys are listed as follows: Keystroke Function Window Logo Open Start menu Window Logo + F1 Display pop-up menu for the selected object Window Logo + TAB Activate next task bar button Window Logo + E Explore my computer Window Logo + F Find document Window Logo + CTRL + F Find computer Window Logo + M Minimize all Shift + Window Logo + M Undo minimize all Window Logo + R Display Run dialog box Window Logo + PAUSE Perform system function Window Logo + 0-9 Reserved for OEM use (see following text) The combination keystroke of the Window Logo + 1-0 keys are reserved for OEM use for auxiliary functions (speaker volume, monitor brightness, password, etc.). Key position 112 (marked with an application window icon ) is used in combination with other keys for invoking Windows application functions. C-8 www.hp.com Technical Reference Guide

Section	Page
Title	1
Contents	3
Chap_1_Introduction_final_review.pdf	7
Introduction	7
1.1 About this Guide	7
1.1.1 Online Viewing	7
1.1.2 Hardcopy	7
1.2 Additional Information Sources	7
1.3 Model Numbering Convention	7
1.4 Serial Number	9
1.5 Notational Conventions	9
1.5.1 Values	9
1.5.2 Ranges	9
1.5.3 Register Notation and Usage	9
1.5.4 Bit Notation and Byte Values	9
1.6 Common Acronyms and Abbreviations	10
Chap_2_System_Overview_final.pdf	17
System Overview	17
2.1 Introduction	17
2.2 Features	18
2.3 Mechanical Design	20
2.3.1 Cabinet Layouts	21
2.3.2 Chassis Layouts	26
2.3.3 Board Layouts	30
2.4 System Architecture	33
2.4.1 Intel Processor Support	35
2.4.2 Chipset	36
2.4.3 Support Components	37
2.4.4 System Memory	37
2.4.5 Mass Storage	38
2.4.6 Serial and Parallel Interfaces	38
2.4.7 Universal Serial Bus Interface	38
2.4.8 Network Interface Controller	38
2.4.9 Graphics Subsystem	39
2.4.10 Audio Subsystem	39
2.5 Specifications	40
Chap_3_Processor_final_review.pdf	45
Processor/Memory Subsystem	45
3.1 Introduction	45
3.2 Intel Pentium Processors	46
3.2.1 Intel Processor Overview	46
3.2.2 Processor Upgrading	48
3.3 Memory Subsystem	48
Chap_4_System_Support_final_review.pdf	53
System Support	53
4.1 Introduction	53
4.2 PCI Bus Overview	53
4.2.1 PCI 2.3 Bus Operation	54
4.2.2 PCI Express Bus Operation	58
4.2.3 Option ROM Mapping	60
4.2.4 PCI Interrupts	60
4.2.5 PCI Power Management Support	60
4.2.6 PCI Connectors	61
4.3 System Resources	63
4.3.1 Interrupts	63
4.3.2 Direct Memory Access	68
4.4 Real-Time Clock and Configuration Memory	71
4.4.1 Clearing CMOS	71
4.4.2 Standard CMOS Locations	72
4.5 System Management	72
4.5.1 Security Functions	72
4.5.2 Power Management	74
4.5.3 System Status	75
4.5.4 Thermal Sensing and Cooling	75
4.6 Register Map and Miscellaneous Functions	76
4.6.1 System I/O Map	76
4.6.2 SCH5317 I/O Controller Functions	77
Chap_5_Input-Output_Interfaces_final_review.pdf	79
Input/Output Interfaces	79
5.1 Introduction	79
5.2 SATA Interfaces	79
5.2.1 SATA Programming	79
5.2.2 SATA Connector	81
5.2.3 RAID Functionality	81
5.3 Diskette Drive Interface	82
5.3.1 Diskette Drive Programming	82
5.3.2 Diskette Drive Connector	86
5.4 Serial Interface	87
5.4.1 Serial Connector	87
5.4.2 Serial Interface Programming	87
5.5 Parallel Interface	89
5.5.1 Standard Parallel Port Mode	89
5.5.2 Enhanced Parallel Port Mode	89
5.5.3 Extended Capabilities Port Mode	90
5.5.4 Parallel Interface Programming	90
5.5.5 Parallel Interface Connector	92
5.6 Keyboard/Pointing Device Interface	93
5.6.1 Keyboard Interface Operation	93
5.6.2 Pointing Device Interface Operation	95
5.6.3 Keyboard/Pointing Device Interface Programming	95
5.6.4 Keyboard/Pointing Device Interface Connector	99
5.7 Universal Serial Bus Interface	100
5.7.1 USB Data Formats	101
5.7.2 USB Programming	102
5.7.3 USB Connector	103
5.7.4 USB Cable Data	104
5.8 Audio Subsystem	105
5.8.1 HD Audio Controller	106
5.8.2 HD Audio Interface	106
5.8.3 HD Audio Codec	107
5.8.4 Audio Programming	108
5.8.5 Audio Specifications	110
5.9 Network Interface Controller	111
5.9.1 Wake-On-LAN Support	112
5.9.2 Alert Standard Format Support	112
5.9.3 Power Management Support	112
5.9.4 NIC Programming	113
5.9.5 NIC Connector	113
5.9.6 NIC Specifications	114
Chap_6_Integrated_Graphics_final_review.pdf	115
Integrated Graphics Subsystem	115
6.1 Introduction	115
6.2 Functional Description	116
6.3 Display Modes	118
6.4 Upgrading Graphics	119
6.5 VGA Monitor Connector	120
Chap_7_Power_and_Signal_final_review.pdf	121
Power and Signal Distribution	121
7.1 Introduction	121
7.2 Power Supply Assembly/Control	121
7.2.1 Power Supply Assembly	122
7.2.2 Power Control	124
7.2.3 Power Management	127
7.3 Power Distribution	128
7.4 Signal Distribution	131
Chap_8_BIOS_ROM_final_review.pdf	135
BIOS ROM	135
8.1 Introduction	135
8.2 ROM Flashing	136
8.2.1 Upgrading	136
8.2.2 Changeable Splash Screen	137
8.3 Boot Functions	137
8.3.1 Boot Device Order	137
8.3.2 Network Boot (F12) Support	138
8.3.3 Memory Detection and Configuration	138
8.3.4 Boot Error Codes	139
8.4 Setup Utility	140
8.5 Client Management Functions	149
8.5.1 System ID and ROM Type	150
8.5.2 Temperature Status	150
8.5.3 Drive Fault Prediction	150
8.6 SMBIOS	151
8.7 USB Legacy Support	151
App_A_Error_Messages__amp__Codes_final_review.pdf	153
A.1 Introduction	153
A.2 Beep/Power LED Codes	153
A.3 Power-On Self Test (POST) Messages	154
A.4 System Error Messages (1xx-xx)	157
A.5 Memory Error Messages (2xx-xx)	158
A.6 Keyboard Error Messages (30x-xx)	159
A.7 Printer Error Messages (4xx-xx)	160
A.8 Video (Graphics) Error Messages (5xx-xx)	160
A.9 Diskette Drive Error Messages (6xx-xx)	161
A.10 Serial Interface Error Messages (11xx-xx)	162
A.11 Modem Communications Error Messages (12xx-xx)	163
A.12 System Status Error Messages (16xx-xx)	164
A.13 Hard Drive Error Messages (17xx-xx)	165
A.14 Hard Drive Error Messages (19xx-xx)	167
A.15 Video (Graphics) Error Messages (24xx-xx)	168
A.16 Audio Error Messages (3206-xx)	168
A.17 DVD/CD-ROM Error Messages (33xx-xx)	169
A.18 Network Interface Error Messages (60xx-xx)	169
A.19 SCSI Interface Error Messages (65xx-xx, 66xx-xx, 67xx-xx)	170
A.20 Pointing Device Interface Error Messages (8601-xx)	171
App_B_ASCII_Character_Set_final_review.pdf	173
B.1 Introduction	173
App_C_Keyboard_final_review.pdf	177
C.1 Introduction	177
C.2 Keystroke Processing	177
C.2.1 PS/2-Type Keyboard Transmissions	179
C.2.2 USB-Type Keyboard Transmissions	180
C.2.3 Keyboard Layouts	180
C.2.4 Keys	183
C.2.5 Keyboard Commands	186
C.2.6 Scan Codes	187
C.3 Connectors	193

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C-8

www.hp.com

Technical Reference Guide

Keyboard

Alt

—The

Alt

keys (pos. 93/95) can be used in conjunction with the same keys available for use

with the

Ctrl

keys with the exception that position 14 (

SysRq)

is available instead of

position 16

(

Break

). The

Alt

key can also be used in conjunction with the numeric keypad keys (pos. 55-57,

72-74, and 88-90) to enter the decimal value of

an ASCII character code from 1-255.

The

application determines the actual function of the keystrokes. Both

Alt

key positions provide

identical functionality.

The combination keystroke of

Alt

and

SysRq

results in software

interrupt 15h, AX=8500h being executed. It is up to the application to use or not use this BIOS

function.

The

Ctrl

and

Alt

keys can be used together in conjunction with keys in positions 1-13, 17-34,

39-54, 60-71, and 76-84. The

Ctrl

and

Alt

key positions used and the sequence in which they are

pressed make no difference as long as they are held down at the time the third key is pressed. The

Ctrl

Alt

, and

Delete

keystroke combination (required twice if in the Windows environment)

initiates a system reset (warm boot) that is handled by the BIOS.

C.2.4.3 Windows Keystrokes

Windows-enhanced keyboards include three additional key positions. Key positions 110 and 111

(marked with the Windows logo

) have the same functionality and are used by themselves or

in combination with other keys to perform specific “hot-key” type functions for the Windows

operating system.

The defined functions of the Windows logo keys are listed as follows:

Keystroke

Function

Window Logo

Open Start menu

Window Logo + F1

Display pop-up menu for the selected object

Window Logo + TAB

Activate next task bar button

Window Logo + E

Explore my computer

Window Logo + F

Find document

Window Logo + CTRL + F

Find computer

Window Logo + M

Minimize all

Shift + Window Logo + M

Undo minimize all

Window Logo + R

Display Run dialog box

Window Logo + PAUSE

Perform system function

Window Logo + 0-9

Reserved for OEM use (see following text)

The combination keystroke of the Window Logo + 1-0 keys are reserved for OEM use for

auxiliary functions (speaker volume, monitor brightness, password, etc.).

Key position 112 (marked with an application window icon

) is used in combination with other

keys for invoking Windows application functions.