Dell Precision 620 Manuel d'utilisateur Page 73
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- Table des matières
- DEPANNAGE
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Mouse Connector
If you reconfigure your hardware, you may need pin number and signal information for the mouse connector. Figure 8 illustrates the pin numbers for
the mouse connector, and Table 7 lists and defines the pin assignments and interface signals for the mouse connector.
Figure 8. Pin Numbers for the Mouse Connector
Table 7. Pin Assignments for the Mouse Connector
Video Connector
For information on your video connector, see the manufacturer's specifications that came with your video card.
NIC Connector
Your system contains an RJ45 network interface controller (NIC) connector (see Figure 9) on the back panel for attaching an unshielded twisted
pair (UTP) Ethernet cable, which is used in 10BASE-T and 100BASE-TX networks. The NIC provides all the functions normally handled by a
separate network expansion card. To connect your system to and configure it for use on an Ethernet network, see "Using the Network Interface
Controller."
Figure 9. NIC Connector
USB Connectors
Your system contains two Universal Serial Bus (USB) connectors for attaching USB-compliant devices. USB devices are typically peripherals such
as keyboards, mice, printers, and computer speakers.
NOTICE: Do not attach a USB device or a combination of USB devices that draw a maximum current over 500 milliamperes (mA) per
channel at +5 volts (V). Attaching devices that exceed this threshold may cause the USB ports to shut down. See the documentation
that came with the USB devices for their maximum current ratings.
If you reconfigure your hardware, you may need pin number and signal information for the USB connectors. Figure 10 illustrates the pin numbers for
the USB connectors, and Table 8 lists and defines the pin assignments and interface signals for the USB connectors.
Figure 10. Pin Numbers for the USB Connectors
Table 8. Pin Assignments for the USB Connectors
Pin
Signal
I/O
Definition
1
MFDATA
I/O
Mouse data
2
NC
N/A
No connection
3
GND
N/A
Signal ground
4
FVcc
N/A
Fused supply voltage
5
MFCLK
I/O
Mouse clock
6
NC
N/A
No connection
- Notes, Notices, and Cautions 1
- Adjusting Volume 3
- Using Audio Utilities 4
- Installing Audio Drivers 4
- Backing Up Your Files 5
- Basic Checks 5
- Look and Listen 6
- System Setup 7
- Expansion Cards 9
- Adding Memory 11
- Microprocessor Upgrades 14
- SuprFreq Utility Program 16
- Replacing the System Battery 19
- International Dialing Codes 21
- Americas Contact Numbers 22
- Europe Contact Numbers 23
- Features 30
- Before You Start Testing 30
- Advanced Testing 31
- Connecting Drives 35
- Installing SCSI Devices 42
- Troubleshooting the Monitor 45
- Troubleshooting the Keyboard 45
- Troubleshooting the Mouse 45
- Troubleshooting I/O Ports 46
- Help Overview 48
- Contacting Dell 48
- System Board Labels 68
- I/O Ports and Connectors 69
- Interrupt Assignments 74
- Memory Allocations 75
- Technical Assistance 77
- Help Tools 77
- Problems With Your Order 78
- Product Information 78
- Before You Call 79
- Before You Begin 80
- Removing the Computer Cover 80
- Replacing the Computer Cover 81
- Inside Your Computer 83
- Troubleshooting the Battery 88
- Troubleshooting Drives 90
- System Features 92
- Front Panel 95
- Back Panel 96
- Getting Help 97
- System Messages 98
- System Beep Codes 102
- Warning Messages 103
- Diagnostics Messages 103
- Diagnostic LEDs 103
- SNMP Platform Event Traps 105
- User's Guide 106
- Configuring the NIC 107
- Reinstalling the NIC Driver 107
- Installing SCSI Drivers 110
- AC Power Recovery 111
- Asset Tag 111
- Auto Power On 111
- Boot Sequence 111
- CPU Information 112
- Integrated Devices 113
- Keyboard NumLock 114
- PCI IRQ Assignment 114
- Primary Video Controller 115
- System Time 118
- ZIP Floppy Support 118
- Overview 119
- Error Messages 119
- Input Errors 119
- Program Conflicts 120
- Memory Address Conflicts 120
- Microprocessor 121
- System Information 121
- Expansion Bus 121
- Ports and Connectors 122
- Graphics and Video 122
- Back to Contents Page 125
- Using System Setup 125
- System Setup Options 125
- Entering System Setup 126
- System Setup Screen 126
- System Setup Navigation Keys 127
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