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Service Reference Guide, dc5750 437963-001 A–3
Connector Pin Assignments
Serial Interface, Powered and Non-Powered
Connector and Icon Pin Signal
1
2
3
Carrier Detect (12V if powered)
Receive Data
Transmit Data
4
5
6
Data Terminal Ready
Signal Ground
Data Set Ready
7
8
9
Request to Send
Clear to Send
Ring Indicator (5V if powered)
USB
Connector and Icon Pin Signal
1
2
3
4
+5 VDC
- Data
+ Data
Ground
Microphone
Connector and Icon (1/8” miniphone) Pin Signal
1 (Tip) Left audio and power
2 (Ring) Right audio and power
3 (Shield) Ground
1
2
3
1
2
3
Headphone
Connector and Icon (1/8” miniphone) Pin Signal
1 (Tip) Audio_Left
2 (Ring) Audio_Right
3 (Shield) Ground
1
2
3
Line-In Audio
Connector and Icon (1/8” miniphone) Pin Signal
1 (Tip) Audio_In_Left
2 (Ring) Audio_In_Right
3 (Shield) Ground
1
2
3
- HP Compaq dc5750 Business PC 1
- 1st Edition 1
- Service Reference Guide 3
- First Edition (November 2006) 4
- Contents 5
- 2.1 Power-On Self-Test (POST) 11
- 2.2 Computer Setup Utilities 12
- 2.2.2 Computer Setup Menu 14
- 2.3 HP Insight Diagnostics 24
- 2.3.2 Survey Tab 25
- 2.3.3 Test Tab 26
- 2.3.4 Status Tab 27
- 2.3.5 Log Tab 27
- 2.3.6 Help Tab 27
- Enter key 28
- Desktop Management 29
- 3.1.1 HP OpenView Agent 30
- 3.3.3 HP Client Manager 32
- 3.3.5 HP Client Premium Suite 33
- 3.4 ROM Flash 35
- Remote ROM Flash 36
- Software Manager at 36
- 3.4.2 HPQFlash 37
- 3.4.4 Replicating the Setup 38
- Copying to Multiple Computers 39
- Creating a Bootable Device 40
- 3.4.5 Dual-State Power Button 42
- 3.4.6 HP Web Site Support 43
- 3.4.7 Industry Standards 43
- 3.5.1 Password Security 46
- Entering a Power-On Password 47
- Entering a Setup Password 47
- 3.5.4 DriveLock 49
- Using DriveLock 50
- DriveLock Applications 50
- 3.5.5 Smart Cover Sensor 51
- 3.5.6 Cable Lock Provision 52
- 3.6.3 Thermal Sensor 53
- Features 55
- 4.2 SATA Hard Drive Cables 56
- 4.3 PATA Device Information 57
- 4.4 ATA SMART Drives 57
- 4.5 Hard Drive Capacities 57
- Disassembly Preparation 59
- 5.1.2 Microtower (MT) 60
- 5.2.1 Generating Static 61
- 5.2.4 Grounding the Work Area 62
- 5.3 Operating Guidelines 63
- 5.4 Routine Care 63
- 5.4.3 Cleaning the Keyboard 64
- 5.5 Service Considerations 65
- 5.5.3 Screws 66
- 5.5.4 Cables and Connectors 66
- 5.5.5 Hard Drives 66
- Microtower (MT) Chassis 69
- 6.2 External Security Devices 70
- 6.2.2 Installing a Padlock 71
- 6.3 Access Panel 72
- 6.4 Front Bezel 73
- To reinstall the front bezel: 74
- 6.5 Front Drive Bezels 75
- 6.6 Cable Management 76
- 6.6.1 Cable Connections 77
- 6.7 Memory 78
- 6.8 Expansion Cards 79
- 6.9 Drives 83
- Releasing the Drives 85
- 6.10 Chassis Fan 93
- 6.11 Front Shroud 94
- 6.13 Heatsink 96
- 6.14 Processor 97
- 6.15 Speaker 99
- 6.16 Power Supply 100
- 6.17 System Board 101
- 6.18 Battery 102
- 6.18.1 Type 1 Battery Holder 103
- 6.18.2 Type 2 Battery Holder 104
- 6.18.3 Type 3 Battery Holder 105
- 7.2.2 Padlo ck 108
- 7.2.1 Cable Lock 108
- 7.3 A cces s Panel 109
- 7.4 Fron t B ezel 110
- 7.5 Front D rive B ezels 111
- 7.6 Cable Management 112
- 7.6.1 Cable Connections 113
- 7.7 Dr ives 114
- 7.7.2 O pti cal Drive 115
- 7.7.4 H ard Drive 120
- 7.8 Mem or y 123
- 7.9 Expansion Card 125
- 7.10 Power Supply 127
- 7.11 Fan Shroud 128
- 7.12 Front I/O Device 129
- 7.13 Chassis Fan 130
- 7.15 Spea ke r 133
- 7.16 Heatsi nk 134
- 7.17 P rocessor 135
- 7.18 Sys tem B oard 137
- 7.19 Bat t er y 138
- 7.19.1 Type 1 Battery Holder 139
- Connector Pin Assignments 143
- Ethernet RJ-45 144
- Ethernet AUI 144
- Parallel Interface 144
- Microphone 145
- Headphone 145
- Line-In Audio 145
- Line-Out Audio 146
- External Infrared Transceiver 146
- PCI Express 150
- DVI Connector 152
- Power Cord Set Requirements 153
- Country-Specific Requirements 154
- POST Error Messages 155
- Preliminary Checklist 167
- Solving Minor Problems 168
- Solving Power Supply Problems 171
- Solving Diskette Problems 173
- Solving Hard Drive Problems 175
- Never remove the card when 178
- Solving Display Problems 179
- Ensure the computer power is 182
- Solving Audio Problems 183
- Solving Printer Problems 185
- Solving Network Problems 191
- Solving Memory Problems 194
- Solving Processor Problems 195
- Solving Drive Key Problems 198
- Solving Software Problems 202
- Designators 203
- DDR2-SDRAM DIMMs 207
- DIMM Sockets 207
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