HP Armada m300 Specifications Page 41
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2-18
Troubleshooting
Table 2-13
Solving Infrared
Problems
Problem Possible Cause Solution
Cannot communicate with
another computer
.
The appropriate software is not
running on both computers.
Install the appropriate software on the
second device, start the second
device, and start the program on both
computers.
The other computer does not have
an IrDA-compliant infrared port.
Your Compaq computer uses the
IrDA communications protocol.
Communication between infrared
devices must use the same
communications protocol. Check the
manufacturers instructions for
connecting with infrared devices or try
connecting with a device you know to
be IrDA-compliant.
The pathway between the infrared
ports is obstructed, one port is
more than 30 degrees (plus or
minus 15 degrees off the center
line) from the other, or the ports
are more than one meter apart.
Remove the obstruction, align the
infrared ports to within 30 degrees,
and position computers within 1.5
feet (about 0.5 meter) of each other.
There is an interrupt request (IRQ)
conflict.
Check for IRQ conflicts in the Device
Manager If two devices have the
same IRQ address, reassign one of
the devices.
There is a baud rate conflict. Select the same baud rate for both
computers.
There is a conflict with the # bits. Select the same # bits setting for both
computers.
There is a stop byte conflict. Select the same stop byte for both
computers.
There is a parity conflict. Select the same parity setting for both
computers.
Cannot transmit data. Direct sunlight, fluorescent light,
or flashing incandescent light is
close to the infrared connections.
Remove the interfering light source(s).
There is interference from other
wireless devices.
Keep remote control units such as
wireless headphones and other audio
devices away from the infrared
connections.
There is a physical obstruction in
the way.
Do not place objects that will interfere
with a line-of-sight data transmission
between the two units.
One of the units was moved
during data transmission.
Do not move either unit during data
transmission.
The orientation of the units is
wrong.
Adjust the devices so that they point
directly at each other.
The distance between the units is
too great.
Verify that devices are not more than
1.5 feet (0.5 meter) apart.
- Compaq Armada M300 1
- Series of Personal Computers 1
- DOCUMENTATION SURVEY 2
- MAINTENANCE AND SERVICE GUIDE 3
- CONTENTS 4
- SPECIFICATIONS 6
- USING THIS GUIDE 7
- Serial Number 8
- PRODUCT DESCRIPTION 9
- Table 1-1 10
- Table 1-2 11
- Features 12
- Accessing the Web Agent 13
- Asset Management 13
- Intelligent Manageability 13
- Fault Management 14
- Fault Management Alerts 14
- Security Management 14
- Configuration Management 15
- Managing Power 15
- Accessing Power Management 15
- Power Management Levels 15
- Figure 1-2. Top Components 16
- Table 1-3 17
- Top Components 17
- Table 1-4 18
- Left Side Components 18
- Table 1-5 19
- Right Side Components 19
- Table 1-6 20
- Front Components 20
- Table 1-7 21
- Rear Components 21
- Table 1-8 22
- Bottom Components 22
- 1.3 Design Overview 23
- System Board 23
- ROUBLESHOOTING 24
- 2.1 Preliminary Steps 25
- 2.2 Clearing Passwords 26
- 2.4 POST Error Messages 27
- Table 2-2 28
- Fatal Error Messages 28
- 2.5 Compaq Utilities 29
- Diagnostics for Windows 30
- Using Computer Setup 30
- File Menu 31
- Security Menu 31
- Advanced Menu 32
- Factory Default Settings 33
- Before Replacing Parts 35
- Obtaining Update Information 35
- Table 2-8 36
- Solving Audio Problems 36
- Table 2-9 37
- Table 2-9 38
- Table 2-10 39
- Table 2-11 39
- Table 2-12 40
- Solving Hard Drive 40
- Problems 40
- Table 2-13 41
- Solving Infrared 41
- Table 2-15 43
- Table 2-16 44
- Solving PC Card 44
- Table 2-19 47
- Solving USB 47
- ILLUSTRATED PARTS CATALOG 48
- Table 3-1 50
- Table 3-2 51
- Spare Part Number 136254-001 51
- 3.4 Mass Storage Devices 52
- 3.5 Miscellaneous 53
- REMOVAL AND REPLACEMENT 54
- PRELIMINARIES 54
- Cables and Connectors 55
- Workstation Precautions 57
- Table 4-1 59
- Table 4-2 59
- Static-Shielding Materials 59
- PROCEDURES 60
- Expansion Unit 62
- ➊ (Figure 5-4) 63
- 5.6 Battery Packs 65
- Replacing the Battery Pack 66
- 5.7 Hard Drives 67
- Inserting a Hard Drive 68
- 5.8 PC Cards 69
- Removing a PC Card 70
- Inserting a PC Card 71
- 5.9 Modem or Modem/NIC Card 72
- Remove the card 73
- ➊ (Figure 5-13) 74
- 5.11 Keyboard 75
- ➊ (Figure 5-15) 76
- Remove the keyboard 76
- 5.12 Memory Expansion 77
- ➋ snap into 78
- 5.13 Switch Cover 79
- ➊ (Figure 5-19) 80
- 5.14 Display Assembly 81
- 5.15 Top Cover with TouchPad 82
- ➊ from the system 83
- ➋, and swing the front 83
- 5.16 Voltage Converter Board 84
- 5.17 Modem Connector Board 85
- 5.18 PC Card Assembly 87
- 5.19 System Board 88
- ➊ (Figure 5-28) 89
- ➌, around the USB port ➌, and 89
- 6.2 Display 91
- 6.3 Hard Drive 92
- 6.4 Diskette Drive 93
- 6.5 Li-Ion Battery Pack 93
- 6.6 CD-ROM Drive 94
- 6.7 DVD-ROM Drive 95
- 6.8 System Interrupts 96
- 6.9 System DMA 96
- 6.10 System I/O Addresses 97
- 6.11 System Memory Map 98
- Index I-1 99
- I-2 Index 100
- Index I-3 101
- I-4 Index 102
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