Compaq 2800 Manuale Utente Pagina 140
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6–12 Maintenance and Service Guide
Specifications
Table 6-10
CD-RW Drive
Center hole diameter 0.59 in 0.39 cm
Disk diameter 12 cm, 8 cm
Disk thickness 0.47 in 1.19 cm
Track pitch 0.74 µm
Access time
Random
Full stroke
< 150 ms
< 225 ms
Audio output level Line-out, 0.7 Vrms
Cache buffer 128 KB
Data transfer rate
Sustained, 16X
Sustained, 4X CD-RW
Normal PIO Mode 4 (single burst)
150 KB/s
5,520 KB/s
16.6 MB/s
Startup time < 15 seconds
Stop time < 6 seconds
268135-002.book Page 12 Thursday, October 24, 2002 4:10 PM
- Maintenance and Service Guide 1
- Second Edition October 2002 2
- First Edition April 2002 2
- Contents 3
- 6 Specifications 5
- A Connector Pin Assignments 5
- B Power Cord Set Requirements 5
- C Screw Listing 5
- Product Description 6
- 1.1 Features 7
- 1.2 Clearing a Password 9
- 1.3 Power Management 10
- Table 1-6 11
- (Continued) 12
- Table 1-7 13
- Table 1-8 15
- Keyboard Components 15
- F1 through F12 15
- Figure 1-5. Top Components 17
- Figure 1-6. Bottom Components 19
- 1.5 Design Overview 21
- Troubleshooting 22
- Using Computer Setup 23
- Selecting from the File Menu 24
- Table 2-2 25
- Security Menu 25
- Select To Do This 25
- Table 2-3 26
- Advanced Menu 26
- 2.2 Using Compaq Diagnostics 28
- Test Information 29
- Table 2-4 31
- (if applicable) 39
- Illustrated Parts Catalog 52
- Figure 3-2. Computer 53
- System Major Components 53
- Table 3-1 54
- Kit Components 65
- 3.4 Mass Storage Devices 67
- Table 3-3 68
- Mass Storage Devices 68
- 3.5 Miscellaneous 69
- Removal and Replacement 71
- Preliminaries 71
- 4.2 Service Considerations 72
- 4.3 Preventing Damage to 73
- Removable Drives 73
- Precautions 74
- 4.6 Workstation Precautions 75
- Metal tote boxes 77
- Table 4-2 78
- Static-Shielding Materials 78
- Procedures 79
- 5.1 Serial Number 80
- Disassembly 82
- (Figure 5-3) 83
- 1 (Figure 5-4) 84
- 2 to unseat the hard drive 85
- Hard Drive Bezel 86
- Spare Part Number Information 86
- 5.4 Computer Feet 87
- 5.5 Memory Expansion Board 87
- Compartment Cover 88
- Mini PCI Communication Boards 90
- Slot Cover 91
- 5.7 Connector Cover 93
- 5.8 LED Cover 94
- 5.9 Keyboard 96
- 9. Remove the keyboard 99
- 5.10 Display 100
- 5.11 Top Cover 104
- 5.12 Speaker Assembly 109
- 5.13 Display Release Assembly 111
- 5.14 TouchPad 113
- TouchButton board 115
- 5.15 Fan 116
- Figure 5-29. Removing the Fan 117
- 5.16 Processor 118
- 5.17 Disk Cell RTC Battery 120
- 3. Remove the RTC battery 2 121
- 5.18 System Board 122
- (Figure 5-32) 123
- Display Support 124
- 5.19 Modem Cable 127
- Specifications 129
- Table 6-2 131
- 15.0-inch UXGA, TFT Display 131
- Table 6-3 132
- 15.0-inch SXGA+, TFT Display 132
- Table 6-4 133
- 15.0-inch XGA, TFT Display 133
- Table 6-5 134
- 14.1-inch XGA, TFT Display 134
- Table 6-6 135
- Hard Drives 135
- Table 6-7 137
- Diskette Drive 137
- Table 6-8 138
- CD-ROM Drive 138
- Table 6-9 139
- DVD-ROM Drive 139
- Table 6-10 140
- CD-RW Drive 140
- Table 6-11 141
- External AC Adapter 141
- Table 6-12 141
- 8-cell, Li ion Battery Pack 141
- Table 6-13 142
- System DMA 142
- Table 6-14 143
- System Interrupts 143
- Table 6-15 144
- System I/O Addresses 144
- Table 6-16 147
- System Memory Map 147
- Connector Pin Assignments 148
- Table A-2 149
- RJ-11 Modem 149
- Table A-3 149
- Universal Serial Bus 149
- Table A-4 150
- Table A-5 151
- Parallel 151
- Table A-6 152
- External Monitor 152
- Table A-7 153
- Stereo Speaker/Headphone 153
- Table A-8 153
- Microphone 153
- Power Cord Set Requirements 154
- Country-Specific Requirements 155
- Screw Listing 157
- Table C-1 158
- Phillips M3.0 × 4.0 Screw 158
- Table C-2 160
- Phillips M2.0 × 5.5 Screw 160
- Table C-3 162
- Phillips M2.0 × 10.0 Screw 162
- Table C-4 164
- Phillips M2.0 × 4.0 Screw 164
- (Continued) 165
- Table C-5 170
- Phillips M2.5 × 9.0 Screw 170
- Table C-6 171
- Phillips M2.0 × 8.0 Screw 171
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