Acer G520 Bedienungsanleitung Seite 72
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3 Upgrading the system
62
Replacing the Backup Battery
The lithium battery on the server board powers the RTC for up to 10
years in the absence of power. When the battery starts to weaken, it
loses voltage, and the server settings stored in CMOS RAM in the RTC
(for example, the date and time) may be wrong. Contact your customer
service representative or dealer for a list of approved devices.
1 Observe the safety and ESD precautions above and at the
beginning of this book.
2 Turn off all peripheral devices connected to the server. Turn off
the server.
3 Remove power from your system by unplugging the AC power
cord.
4 Remove the chassis cover.
5 Locate the battery.
6 Gently pull back on the metal tab to release the battery.
7 Remove the battery from its socket. See “Battery” in “Mainboard
layout”
8 Dispose of the battery according to local ordinance.
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- Acer Altos G520 series 1
- FCC notice 3
- Laser compliance statement 4
- Important safety instructions 5
- Contents 7
- 3 Upgrading the system 35 8
- 4 BIOS setup 69 8
- 1 System tour 11
- Product briefing 13
- Graphics interface 14
- Networking 14
- I/O ports 14
- Serial ATA ports 14
- Caring features 15
- Product specification summary 16
- Front bezel 17
- Front panel 18
- Rear panel 20
- Internal components 22
- System boards 24
- 1 System tour 28
- 5 Power connector 28
- Label Description 28
- 1 SATA HDD slot 28
- 2 SATA cable connector 29
- 2 System setup 31
- Setting up the system 33
- Connecting peripherals 34
- To connect the PS/2 mouse 35
- To connect the VGA monitor 36
- To connect the power cable 37
- Turning on the system 38
- Power-on problems 39
- Network connection 41
- Tower-to-rack option 42
- Turning off the system 43
- 2 System setup 44
- 3 Upgrading 45
- Upgrading the system 47
- 3 Upgrading the system 48
- Opening the server 49
- 2 Open it approximately 90° 50
- To remove the side panel 51
- Configuring the Hot Plug HDD 53
- To remove the cage 59
- To install the cage 61
- Upgrading the CPU 65
- Processor Sequence 66
- Upgrading the system memory 69
- To remove a DIMM 70
- To install a DIMM 70
- DIMM and insert it again 71
- Replacing the Backup Battery 72
- Installing an expansion card 74
- Installing a redundant power 76
- BIOS parameters 80
- BIOS setup 81
- Entering BIOS setup 82
- Parameter Description 84
- Advanced 86
- IDE Configuration 88
- Floppy Configuration 93
- Super I/O Configuration 94
- USB Configuration 95
- PCI Configuration 97
- Memory Configuration 98
- 4 BIOS setup 100
- Boot Settings Configuration 101
- Boot Device Priority 102
- Hard Disk Drives 104
- Removable Devices 105
- ATAPI CD/DVD Devices 106
- Security 107
- To remove the User password 109
- System Management 112
- Serial Console Features 113
- Event Log Configuration 115
- Upgrading the BIOS 119
- Creating a Bootable Diskette 120
- Changing the BIOS Language 122
- Recovering the BIOS 122
- Manually Recovering the BIOS 122
- Clearing the CMOS 123
- Clearing the Password 124
- BIOS Error Messages 125
- BIOS POST Beep Codes 127
- BIOS Recovery Beep Codes 128
- Jumper Name Pins 129
- CMOS clear 2-3 129
- Appendix A: 131
- Troubleshooting 131
- Resetting the System 133
- First Steps Checklist 133
- Hardware Diagnostic Testing 134
- Power Light Does Not Light 136
- Appendix A: Troubleshooting 138
- Cannot Connect to a Server 140
- Problems with Network 140
- Software 141
- LED Information 143
- Appendix B: ASM 145
- Installation 145
- ASM software package 146
- Installing ASM 147
- Installing ASM Console 148
- Appendix C: Altos 149
- System rack installation 151
- Installing cage nuts 155
- Appendix D: SATA 157
- RAID Configuration 157
- SATA RAID 158
- Configuring the onboard SATA 159
- Create RAID 1 volume 160
- Initial RAID Volume 160
- EasyBUILD™ Management CD 161
- Appendix E: RAID 163
- Configuration 163
- Loading HBA Default Settings 165
- Spare Disk 165
- RAID Volume Initialization 166
- Exit and Restart the server 166
- Create RAID1 Volume 167
- Assign Hot Spare Disk 167
- Initialize RAID Volume 167
- Appendix F: 169
- Diagnostic 169
- Checkpoints 169
- POST Code Checkpoints 171
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