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Input Requirements
A-2 420-Watt Power Supply Requirements
Input Requirements
The following represent the input requirements of the 420-watt power supply:
• Maximum waveform harmonic distortion shall be less than 5%. The
power supply must operate above frequency with both 100~120/200~240
VRMS input voltage ranges.
• The power supply must operate over both voltage ranges with an outside
switch.
The table below shows the 420-watt power supply input requirements.
Table A-1. 420-Watt Power Supply Input Requirements
Input
Frequency
Nominal Frequency Frequency
Variations
50 Hz
60 Hz
47 Hz ~ 53 Hz
57 Hz ~ 63 Hz
Input Voltage Nominal Voltage Variation Range
100 ~ 120 VRMS
200 ~ 240 VRMS
90 ~ 132 VRMS
180 ~ 264 VRMS
Input Current Maximum Input Current Measuring
Range
8 A
4 A
90 ~ 132 VRMS
180 ~ 264 VRMS
Inrush Current The power supply inrush current shall be less than the ratings of
its critical components (including the fuse, rectifiers, and the
surge-limiting device) for all conditions of line voltage.
Efficiency 63% minimum (measuring at maximum load, applying nominal
line)
- NCR S26 Hot Plug Server 1
- Contents 3
- About This Book 9
- Who Should Read This Book 9
- Conventions Used in This Book 10
- Related Publications 10
- Overview 11
- Where to Start 12
- Documentation 13
- Additional Help 14
- Safety Compliance 15
- FCC Declaration of Conformity 17
- Using System Features 19
- ESD Precautions 20
- Identifying System Features 21
- 2-4 Using System Features 22
- Positioning the System 24
- “Position A” below 25
- Opening the System 26
- Configuring the System Board 28
- Jumper Settings 30
- Connector Functions 31
- Adding and Replacing 33
- Components 33
- Installing CPU Boards 35
- Upgrading the Memory 37
- Restrictions 38
- Installing and Removing SIMMs 39
- Installing SIMMs 40
- Removing SIMMs 41
- Reconfiguring the System 42
- Upgrading the Video Memory 43
- Expanding the PCI System 44
- Installing PCI Devices 45
- Using the SCSI Feature 46
- Identifying Expansion Boards 47
- Installing an Expansion Board 48
- Removing an Expansion Board 49
- Installing Drives 50
- 3. Connect the drive cables 53
- Using the BIOS Setup Utility 57
- Before Running Setup 58
- Entering Setup 59
- Date and Time 61
- Diskette Drives 62
- IDE Hard Disk Drives 63
- System Memory 64
- Communication Settings 64
- Enhanced IDE Features 65
- On Board IDE 65
- Large Memory Support Mode 66
- Num Lock After Boot 66
- Memory Test 66
- Auto Configuration Mode 66
- Fast Boot Mode 67
- Shadow RAM 69
- Internal Cache (CPU Cache) 69
- External Cache 69
- ECC/Parity Mode Selection 69
- Memory at 15 MB - 16 MB 70
- PCI System Configuration 71
- VGA Palette Snoop 72
- Onboard SCSI 73
- Expansion ROM Region 75
- I/O Region 76
- System Wake Up Events 78
- Onboard Communication Ports 80
- Serial Port 1 Base Address 81
- Serial Port 2 Base Address 81
- Parallel Port Base Address 81
- Onboard PS/2 Mouse (IRQ 12) 83
- Setup Password 83
- Power On Password 84
- Load Setup Default Settings 85
- Leaving Setup 86
- Hard Disk Drive Types 87
- Using the System Utilities 91
- Using the AFlash BIOS Utility 93
- Quick Way to Execute AFlash 94
- Functions 95
- Making Menu Selections 95
- Using the Keyboard 96
- Using the Mouse 96
- Getting Help 97
- Accessing the ECU 97
- Configure Computer 98
- Setting the Date and Time 98
- Exit from this Utility 99
- Figure 5-6. Save and Exit 103
- Adding or Removing Boards 104
- Removing a Board 106
- 420-Watt Power Supply 109
- Requirements 109
- Input Requirements 110
- Output Requirements 111
- Error Messages 113
- Types of Error Messages 114
- Software Error Messages 115
- System Error Messages 116
- Correcting Error Conditions 118
- Sample Configurations 119
- • Standard Configuration 120
- • RAID Configuration 120
- Sample Standard Configuration 121
- Basic System Configuration 122
- Advanced System Configuration 123
- Power Saving Configuration 124
- System Security 124
- Configuring the PCI Adapters 125
- If the ECU Will Not Boot 128
- Sample RAID Configuration 131
- Hot Plug Backplane 141
- Features 142
- Major Components 143
- Hot Plug SCSI Drive Tray 145
- SCSI Channel Configurations 146
- Single-Channel Configuration 147
- Dual-Channel Configuration 149
- Setting Hard Disk ID Options 151
- D-12 Hot Plug Backplane 152
- 0=Jumper shunt not installed 153
- 1=Jumper shunt installed 153
- Installation 154
- D-16 Hot Plug Backplane 156
- 10. Power on the system 157
- The power LED lights up 157
- D-18 Hot Plug Backplane 158
- Adapter Board 159
- Using the Hot Plug Feature 160
- System Support Log 161
- Introduction 162
- System Identification 163
- NCR Hardware Support Services 164
- NCR Support Phone Numbers 165
- E-6 System Support Log 166
- NCR Faxback System 167
- United States Support 168
- Other Areas Support 169
- Customer Support Agreement 171
- Support Services 173
- E-16 System Support Log 176
- Hardware Records 177
- Peripheral Category 178
- Hardware Log 179
- Software Records 187
- E-28 System Support Log 188
- Software Product Log 189
- System Software Log 193
- Current System Configuration 201
- Adapter Board Locations 202
- System Equipment List 203
- Hardware Configuration 205
- Preventive Maintenance 206
- Disk Drives 207
- Tape Drives 207
- Plotters 207
- Terminals and PCs 207
- Year __________ 209
- Installation Records 213
- Ventilation 2-7 219
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