HP rp8400 Support Question
HP rp8400 Support Question
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Question posted by lasdrmk on July 27th, 2014
Rp8400 Will Not Power Up
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Current Answers
Answer #1: Posted by freginold on August 20th, 2014 11:40 AM
freginold
Member since:
December 20th, 2011 Points: 23,253,885
Member since:
December 20th, 2011 Points: 23,253,885
Often when a computer won't turn on, it's because one of two components has failed: either the power supply unit or the motherboard (assuming you've ruled out the power coming in from the wall or surge protector as the problem).
Power supplies are generally not terribly expensive, compared to other components. If you're not getting any power at all, the power supply is a likely culprit. It's a much cheaper option to try than the motherboard. If you have a voltmeter or a power supply tester, you can check the power supply to verify that it's not supplying any power.
The motherboard is expensive to replace, so if you think the motherboard is the problem (if you've tried the power supply or ruled it out as the problem) it might be cheaper to get a new computer than have the motherboard repaired or replaced.
Power supplies are generally not terribly expensive, compared to other components. If you're not getting any power at all, the power supply is a likely culprit. It's a much cheaper option to try than the motherboard. If you have a voltmeter or a power supply tester, you can check the power supply to verify that it's not supplying any power.
The motherboard is expensive to replace, so if you think the motherboard is the problem (if you've tried the power supply or ruled it out as the problem) it might be cheaper to get a new computer than have the motherboard repaired or replaced.
Related HP rp8400 Manual Pages
nPartition Administrator's Guide, Second Edition - Page 6
... Pending Changes to the Complex Profile 199
7 Managing Hardware Resources 201
Tools for Managing Hardware...201 Task Summaries for Hardware Resource Management 201 Powering Server Cabinets On and Off 205 Powering Cells and I/O Chassis On and Off 206 Turning Attention Indicators (LEDs) On and Off 209 Configuring and Deconfiguring Cells 213 Configuring and...
nPartition Administrator's Guide, Second Edition - Page 202
... tasks. To turn off any I /O chassis: -o option to blink the LED, -f option to the cell. Table 7-1 Hardware Management Task Summaries
Task
"Powering Server Cabinets On and Off"
Summary
• CAUTION: Before powering off all LEDs use the Complex→Clear All LEDs action. Select an inactive cell or I/O chassis, and use the Cell...
nPartition Administrator's Guide, Second Edition - Page 205
...-way compute cabinets, you must check whether it off . Login to see whether any cabinet hardware is running an operating system (OS).
Powering Server Cabinets On and Off 205 The cabinet power switch and the PE command at the Command menu).
5. Any nPartition whose state is "OS heartbeat" is running an OS and...
nPartition Administrator's Guide, Second Edition - Page 210
... /O chassis has a attention indicator, which the cell attached to the right of the power LEDs for controlling PCI card slot attention indicators and other tasks. Login to turn attention ...PCI card slot attention indicators and other tasks. On HP rp7405/rp7410, rp7420, rx7620, rp8400, rp8420, and rx8620 servers only, you can turn off , you can use the fruled command and specify -o ...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 3
...Contents
1. System Specifications General 3 Upgrading rp8400 Servers 4 Upgrading the Server 4 Dimensions and Weights 5 Component Dimensions 5 Component Weights 5 Shipping Dimensions and Weights 6 Electrical Specifications 7 Grounding 7 Circuit Breaker 7 System Power Requirements 7 Component Power Requirements 8 Power Cords 8 Power Distribution Unit (PDU 8 Environmental Requirements...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 13
...• Standard for connection to an IT power system (an AC distribution system having no direct connection to earth according to IEC 60950).
IT Power System
This product has not been evaluated for...removal of used batteries according to the supply.
Replace only with multiple power sources. Dispose of a single input source. Associated Documents
The following documents provide more details ...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 20
... to http://docs.hp.com for future upgrades and expansions.
It is aware of the iCOD email requirements.
Refer to upgrading a rp8400 Server system. Upgrading the Server
Space requirements remain the same, but power and cooling must be increased when upgrading within a cabinet (adding additional cells, I/O, etc.). NOTE
Ensure that the customer is cost...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 21
... (229.52)
Cell Board
26.80 lbs (12.16)
Chassis including skins and bezel Power Supply (BPS)
131.00 lbs (59.42) 12.00 lbs (5.46)
PCI Card c
varies lbs (varies)
a.
See respective Product Support Plan for a rp8400 server.
Table 1-1
Server Component Dimensions
Component
Width (cm)
Depth/ Length
(cm)
Height (cm)
Maximum Quantity per...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 23
... earth or, if supplied by protecting, for a rp8400 server. The rp8400 contains four C20 power receptacles located at the supply transformer or motor-generator set of your computer room. To determine the overall power requirements of two cords can be connected from two different AC power sources.
The rp8400 is capable of receiving AC input from the...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 24
... Table A-3 on page 47 and Table A-4 on page 47. This PDU may also be used at http://www.hp.com/racksolutions. Power Cords
Table 1-6 lists the various power cables available for a rp8400 server. The PDU will be 3U high and will be referred to one end. The International E7684A PDU will have measured running...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 25
... the cabinet cooling air intakes rather than check only ambient room conditions. Table 1-7 lists the computer room temperature and humidity specifications for the rp8400 server. Power Dissipation
This section describes the power dissipated by 12,000 = tons of Change
Non-Operating Range
10ο C/hr with tape
-40ο C to +70ο C
20ο...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 26
... Refrigeration
Chassis fans, System board and PCI 330 Board
Cell Board
500
PCI Card
10
Power Supply (BPS)
49
DVD
20
Disk Drive
25
Core I /O
70
60.20
PCI Power Supply
47
40.42
Total maximum configuration rp8400 Server (PA8700)
4934
4243.24
Btu/ Hour
1454.36
2546.84 85.35 426.75 68...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 29
... that may contribute to less than optimal equipment operation are also highlighted.
• "Electrical Factors" on page 15 discusses computer room safety, electrical load requirements, power quality, distribution hardware, and system installation guidelines.
Chapter 2
13 2 Electrical and Environmental Guidelines
This chapter provides guidelines for planning and preparing the site. Careful...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 31
... distribution system design and installation must have a thorough knowledge and understanding of appropriate electrical codes and the limitations of a power distribution system for a rp8400 server requires specialized skills. Fire Protection The National Fire Protection Association's Standard for the Protection of Electronic Computer Data Processing Equipment, NFPA 75, contains information...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 32
... be added for one or more of the following reasons:
• To avoid nuisance tripping from the sources of many of electrical power. These tables provide load requirements for rp8400 servers. Electrical and Environmental Guidelines Electrical Factors
The minimum recommended illumination level is 70 foot-candles (756 lumens per square meter) when the...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 33
... work loose, overheat, and fail. Because of this difference, aluminum conductors can cause connector hardware to qualified contractors or consultants for rp8400 server equipment:
• Dedicated power source-Isolates server power distribution system from accidental damage and also provide a heatsink for personnel and equipment. Any of the following guidelines provides the best possible...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 34
...panel and should be used for high frequency. Electrical and Environmental Guidelines Electrical Factors
Grounding Systems
rp8400 servers require two methods of grounding:
• Power distribution safety grounding • High frequency intercabinet grounding
Power Distribution Safety Grounding [LAHJ] The power distribution safety grounding system consists of connecting various points in the...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 35
...be designed as a ground grid. Figure 2-1
Raised Floor Metal Strip Ground System
Ground wire to power panel
Floor panel
Hex bolt
Grounding clamp Band and pedestal
Chapter 2
Grounding grid element
Grounding braid to...case, the floor must be connected to service entrance ground and rp8400 server equipment). The use of 3.0 in . (6.0 mm) bolts tightened to the subfloor. The grounding...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 37
...summarized in Table A-1 on page 46 and in Table A-3 on page 47. The power dissipations and required amount of the installed air conditioning equipment for return air flow and ...and recommendations are described in the following guidelines are recommended when preparing a computer room for a rp8400 server system:
• Locate the computer room away from the exterior walls of the building to...
Site Preparation Guide, Second Edition - HP rp8400 Server Series - Page 47
... fixtures used as pillars or narrow doorways, can lead to include clearance for a rp8400 server. Plan equipment layout to equipment intake or exhaust airflow must also be provided for ...be used for routing data cables and power cables • Access to air conditioning ducts, filters, lighting, and electrical power hardware • Power conditioning equipment • Cabinets for ...
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