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HP Dc7700 HP Compaq dx7300 and dc7700 Business PC Technical Reference Guide, 1 - Page 109

Audio Control, Table 5-23., HD Audio Codec Commands

UPC - 882780715318

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Input/Output Interfaces Audio Control The audio subsystem is controlled through a set of verb commands listed in Table 5-23. Table 5-23. HD Audio Codec Commands Verb Value Verb Value Verb Value Get Parameter F00h Set Power State 705h Get GPIO Enable Mask F16h Get Connection Select F01h Get Conv. Stream Ch. F06h Set GPIO Enable Mask 716h Set Connection Select 701h Set Conv. Stream Ch. 706h Get GPIO Direction F17h Get Connection List F02h Get Pin Widget Cntrl. F07h Set GPIO Direction 717h Get Processing State F03h Set Pin Widget Cntrl. 707h Get GPIO Unsol. Resp. En. Mask F19h Set Processing State 703h Get Unsol. Resp. Cntrl. F08h Set GPIO Unsol. Resp. En. 719h Mask Get Coefficient Index 00Dh Set Unsol. Resp. Cntrl. 708h Function Reset 7FFh Set Coefficient Index 005h Get Pin Sense F09h Get Digital Converter Control F0Dh Get Processing Coefficient 00Ch Execute Pin Sense 709h Set Digital Conv. Cntrl. 1 70Dh Set Processing Coefficient 004h Get Default Config. F1Ch Set Digital Conv. Cntrl. 2 70Eh Get Amplifier Gain 00Bh Set Default Config. 71C-71F Get EAPD Enable h F0Ch Set Amplifier Gain 003h Get Beep Generator F0Ah Set EAPD Enable 70Ch Get Converter Format 00Ah Set Beep Generator 70Ah Get Volume Knob Widget FOFh Set Converter Format 002h Get GPIO Data F15h Set Volume Knob Widget 70Fh Get Power State F05h Set GPIO Data 715h -- -- NOTE: Refer to vendor data sheet for more information. Get Converter Format Technical Reference Guide www.hp.com 5-31

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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5-31

Input/Output Interfaces

Audio Control

The audio subsystem is controlled through a set of verb commands listed in Table 5-23.

NOTE:

Refer to vendor data sheet for more information.

Get Converter Format

Table 5-23.

HD Audio Codec Commands

Verb

Value

Verb

Value

Verb

Value

Get Parameter

F00h

Set Power State

705h

Get GPIO Enable Mask

F16h

Get Connection Select

F01h

Get Conv. Stream Ch.

F06h

Set GPIO Enable Mask

716h

Set Connection Select

701h

Set Conv. Stream Ch.

706h

Get GPIO Direction

F17h

Get Connection List

F02h

Get Pin Widget Cntrl.

F07h

Set GPIO Direction

717h

Get Processing State

F03h

Set Pin Widget Cntrl.

707h

Get GPIO Unsol. Resp.

En. Mask

F19h

Set Processing State

703h

Get Unsol. Resp. Cntrl.

F08h

Set GPIO Unsol. Resp. En.

Mask

719h

Get Coefficient Index

00Dh

Set Unsol. Resp. Cntrl.

708h

Function Reset

7FFh

Set Coefficient Index

005h

Get Pin Sense

F09h

Get Digital Converter

Control

F0Dh

Get Processing

Coefficient

00Ch

Execute Pin Sense

709h

Set Digital Conv. Cntrl. 1

70Dh

Set Processing

Coefficient

004h

Get Default Config.

F1Ch

Set Digital Conv. Cntrl. 2

70Eh

Get Amplifier Gain

00Bh

Set Default Config.

71C-71F

Get EAPD Enable

F0Ch

Set Amplifier Gain

003h

Get Beep Generator

F0Ah

Set EAPD Enable

70Ch

Get Converter Format

00Ah

Set Beep Generator

70Ah

Get Volume Knob Widget

FOFh

Set Converter Format

002h

Get GPIO Data

F15h

Set Volume Knob Widget

70Fh

Get Power State

F05h

Set GPIO Data

715h