HP Armada m300 Specifications Page 28
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Troubleshooting
2-5
Table 2-1
Message Description Recommended Action
Hard disk controller error The hard drive controller failed
to respond to the reset
command.
Check the drive parameters. Turn off
the system and check all related
connections.
Keyboard controller failure The keyboard failed the self-
test command.
Replace the system board.
Keyboard failure The keyboard failed to respond
to the RESET ID command.
Replace the keyboard. If the problem
persists, replace the system board.
No interrupts from Timer 0 The periodic timer interrupt is
not occurring.
Replace the system board.
ROM at xxxx (LENGTH yyyy) with
nonzero checksum (zz)
An illegal adapter ROM was
located at the specified
address.
Check the external adapter (such as a
video card) to determine if it is
causing the conflict.
Time/Date corrupt - run SCU The time and date stored in
the real time clock have been
corrupted, possibly by a power
loss.
1. Run Computer Setup.
2. If problems persists, replace
system board.
Hard disk xx failure (or error) A failure or an error occurred
when trying to access the hard
drive.
1. Run ScanDisk.
2. Check disk in DOS and
Windows 95.
Fatal errors emit a beep and may display a FATAL message. Fatal errors indicate severe
problems, such as a hardware failure. Fatal errors do not allow the system to resume.
Some of the Fatal error beep codes are listed at the end of this section.
Table 2-2
Fatal Error Messages
Message Description Beep code
CMOS RAM test failed A walking bit test of CMOS RAM location 0E
(Hex) - 3F (Hex) failed.
3
DMA controller faulty A sequential read/write of the transfer count
and transfer address registers within the
primary and secondary DMA controllers failed.
4
Faulty DMA page registers A walking bit read/write of the 16 DMA
controller page registers starting at location 80
Hex failed.
0
Faulty refresh circuits A continuous read/write test of port 61h found
that bit 4 (Refresh Detect) failed to toggle
within an allotted amount of time.
1
Interrupt controller failed A sequential read/write of various Interrupt
Controller registers failed.
5
ROM checksum incorrect A checksum of the ROM BIOS does not match
the byte value at F000:FFFF.
2
RAM error at location xxxx RAM error occurred during memory test. None
*
Beep codes are defined in Table 2-3.
- 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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