HP rp2450 Manual Page 187
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Chapter
DC-DC Converter Removal
271
DC-DC Converter Removal
DC-DC Converter boards and slave boards are required to power each CPU.
NOTE Each CPU requires a DC-DC Converter and slave(s) to operate. When upgrades are performed
on the CPU, change the accompanying DC-DC Converter and slave(s) also. When returning
replaced CPUs, return the accompanying DC-DC Converter and slave(s) also.
The converter boards stand on edge in slots and are located immediately behind the Power Supply on the left
and right sides of the System Board, next to the CPU assemblies.
CAUTION DC-DC converter boards are not “hot-swap” or “hot-plug” units. Shut the server down and
unplug the electrical connection prior to removing or replacing DC-DC converter boards.
To remove a DC-DC Converter board and its slave(s) from the server, perform the following steps:
Step 1. Gently pull the left and right levers away from each side of the board approximately 0.635 cm (1/4
in.).
CAUTION DO NOT press hard on the left/right levers or they will break. The levers do not
extract the board from its socket. They provide vertical stability, only.
Step 2. Grasp the board by the left and right edges.
Step 3. With a gentle rocking motion, pull the board up and out of its slot.
Step 4. Place the board on a clean, static-free surface.
CAUTION There is little working room between the DC-DC converter boards and slave(s) and CPU-1. If
necessary, use a flat-blade screw driver to reach and release the levers prior to removing these
boards.
The following graphic shows the location of the DC-DC converter boards and slaves.
CPU MHz Master Slave
440 1 1
550* 1 2
* When available
- Chapter4 4
- What’s New? 7
- Reference Information 9
- Chapter10 10
- System Overview 11
- A400/A500 Block Diagram 13
- Overview 15
- Product Information 15
- Regulatory Information 16
- Electrical Safety 16
- Cabinet Safety Precautions 17
- Declaration of Conformity 33
- FCC Statement (USA Only) 34
- Canada RFI Statement 34
- European Union RFI Statement 34
- Korean RFI Statement 35
- Taiwan RFI Statement 35
- Acoustics (Germany) 36
- Australian C-Tick Label 36
- Laser Safety 36
- ESD Safety Standards 37
- Acoustic Safety Standards 39
- Altitude Operation Standards 43
- Convenience Wall Outlets 47
- Lightning 47
- Vibration 49
- Flammable Materials 49
- Airborne Contaminants 49
- Electrostatic Discharge 49
- 3 System Site Preparation 51
- Chapter60 52
- Cooling Requirements 53
- Input Power Requirements 55
- HP Cabinet Dimensions 57
- Server Dimensions 59
- Chapter74 66
- Unpack the Server 67
- Attaching the Pedestal Base 68
- Open the Accessory Kit 69
- Third Party Software 69
- Server External Connections 71
- Connect a System Console 72
- Connect Power Cords 72
- Cabinet Identification 73
- Cabinet Loading Requirements 73
- Installing the Server 73
- Installing Bezel End Caps 74
- Table 0-2 78
- Table 0-3 78
- Table 0-4 79
- Table 0-3 (Continued) 79
- Table 0-4 (Continued) 80
- Cabinet Installation 89
- Cabinet Mounted Server Unpack 91
- Stacking Servers 99
- Stacking Servers 100
- Unstacking Servers 101
- 5 Operating Instructions 103
- Chapter112 104
- Configuring the GSP LAN Port 105
- Adding Users 105
- GSP> so 106
- Removing Users 107
- Initial Power-up 109
- Boot To Operating System 111
- System Power Down 113
- Chapter124 116
- Add Memory 117
- New I/O Cards For rp24xx 120
- Add Disks 123
- Tools Required 125
- Cleaning Kit Components 125
- Installing the CPU 128
- Chapter 129
- System Console Configuration 131
- LAN Console 133
- Secure Web Console Features 135
- LAN Connection 138
- L1 Self-Test 138
- L2 LAN Activity 138
- L3 Power 138
- RS 232 Serial Port 139
- 8 Troubleshooting the Server 145
- Chapter154 146
- Accessing Error Chassis Logs 147
- Table 7-1 148
- Table 7-1 (Continued) 149
- Replacement Procedures 151
- Chapter194 152
- Front Bezel Removal 157
- Front Bezel Replacement 159
- Server Cover Removal 161
- Server Cover Replacement 163
- HotPlug Software Procedure 165
- HotPlug Hardware Procedure 168
- I/O Card Cage Removal 175
- I/O Card Cage Replacement 177
- PCI I/O Card Removal 179
- PCI I/O Card Replacement 181
- PCI Backplane Removal 183
- PCI Backplane Replacement 185
- DC-DC Converter Removal 187
- DC-DC Converter Replacement 189
- Memory DIMM Removal 191
- Memory DIMM Replacement 193
- Extend a Server From the Rack 199
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