The power-supply tag has no wiki summary.
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Router Power Supply [closed]
I have a wireless router that needs a 12VDC 1A power supply. I no longer have the power supply for it. Is there any harm in using a 12VDC 1.2A power supply instead?
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1answer
25 views
PC Shutting Down Without Warning [closed]
I have a Windows 7 PC that is shutting down without warning, seemingly at random. Here are the symptoms and notes:
PC seemingly turns off completely. After taking off the cover it turns out the ...
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2answers
46 views
What are the essential considerations for setting up systems in a location with unreliable power?
I deal with a lot of remote offices located in parts of the world where the local grid power supply is unreliable.
Power can go off anytime with no warning, with outages ranging from minutes to days
...
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3answers
90 views
Chasis reset button vs remote power recycle
Ocassionally one of my remote windows servers locks up and must be restarted by pressing the restart button on the front of the case. Since I work remotely I call a coworker to press the button.
I ...
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3answers
80 views
Powering an IBM x335
I've just purchased a second hand IBM X335 server in order to introduce myself to server hardware and management. Having never used such equipment before, I have much to learn, so please forgive me if ...
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3answers
465 views
How does a 3-Phase UPS distribute power?
We've got 2 UPSes in our server room. One's 3 phase, and has a 3phase supply, yet the APC network stats thing only says
Incoming Voltage: 230.1 Volts
The other is a single phase one with no ...
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2answers
158 views
How to measure server power consumption?
We have data center running more than 2000 servers. We are planning to shutdown the servers on a weekend for cost cutting purpose. How can we calculate which servers are consuming more power in the ...
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5answers
180 views
A plan to mitigate PDU failures?
A client just experienced a complete failure of an APC AP7911A switched/metered rack power distribution unit. This obviously took all of the connected equipment down with it. The equipment is fine, as ...
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2answers
106 views
How much power draws a redundant PSU?
One supermicro enclosure comes with "3 SP382-TS 380W Power Modules for a total of 760W".
2x380W = 760W, okay, but there are 3! So where is the missing third 380W equalling to 1140W?? Is it ...
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1answer
45 views
How does a server power supply withstand unto toggling the power?
My server will run only weekly for 2 hours for backup purposes. After I finished the backuping I pull out the power plug from the power outlet.
How does a server power supply withstand unto toggling ...
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5answers
144 views
Server's power supply always on even if it is turned off
I just bought a used HP ProLiant ML350 G4p server and it's power supply gets working immediately after I plug it into power outlet. (the fan is spinning, and the unit consumes 20W of energy) The ...
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1answer
135 views
Dell Poweredge 2800 Power Consumption
I am considering buying a Dell Poweredge 2800 Tower 2nd hand, while I have some experience with HP's competing server brand, the ProLiant Series, I am struggling to find out the server's realistic ...
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2answers
93 views
A/B Power Configuration for Server Cabinet
I'm upgrading our cabinet at our colocation for A/B power and wanted input on which of our options are good or bad.
First, a bit of an overview of our setup: We currently have a single circuit feed ...
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2answers
160 views
Power reading 2 amps with 13 servers?
We have a rack in a data center and we became suspicious of running out of power.
But our power bar says 2 amps! It has a live indicator, so it's not just one reading. Do you think there's something ...
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vote
1answer
80 views
IBM server shutdown and restart
How can I set up a server so that when there is a power cut it is safely shut down, and when power returns it switches back on automatically?
I am specifically using an IBM AIX Server 6.
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2answers
197 views
Redundant power supply
I have been hit by my inexperience with power supplies... I bought a Ablecom (SuperMicro) PWS-801-1R redundant power supply. But this is in fact a module, that is not redundant in itself, and must be ...
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1answer
107 views
Are the SATA power connectors on motherboards compatible with both 2.5 & 3.5 drives?
Are the SATA power connectors on motherboards compatible with both 2.5 & 3.5 drives?
I want to switch my desktops internal 3.5 in drives to 2.5 in drives. I know that the signal cables are the ...
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1answer
30 views
Supply power to more than 4 SCSI devices? [closed]
I was wondering, essentially I wanted to pool 4-10 SCSI drives in to a single computer, but of course only have a limited amount of 12v power cables to go in to them. What would be the proper way to ...
3
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1answer
338 views
Software to measure power draw of HP Server
I'm after some software to measure the power draw of a HP Server, namely a DL360 series. I know Nagios is used for logging and monitering but I'm not sure if it logs power usage as well. I've also ...
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3answers
237 views
Send notification after powerloss resume?
Question:
I've set the BIOS of my server to automagically resume the last state (running/switched off) after a powerloss.
Now, how can I send myself an E-Mail when the system has resumed after a ...
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1answer
119 views
In equipment with dual PSUs, how is power draw balanced between them?
In equipment which has dual power supplies - e.g. a server - how is power draw balanced between them?
Will they be "active/active", with load evenly spread between both PSUs? Or will they be ...
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2answers
187 views
Netgear Modem Power Supplies, do AMPS matter?
i recently purchased a Netgear DGND3300 modem from USA for Australia.
Unfortunately it didn't come with a power adapter so i bought one locally, however the modem is recommended to have 12Volts and ...
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5answers
367 views
warning signs of a power supply going bad
We recently have a computer with 3 out of 5 HD going bad (excessive bad sectors) within 1 week. This got me to start thinking that maybe it's the power supply. What are some warning signs / tricks ...
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1answer
115 views
Will a 6+2-pin PCI-E plug work in place of an 8-pin EPS12V plug?
The motherboard I'm looking to get has a 24pin and 2x 8pin connectors on it. The power supply has a 24pin, 8pin, 4pin, 6pin and a 6+2pin connector. Will this work correctly or should I look for a ...
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3answers
535 views
Redundant APC UPS units, single server set up
We have a very relatively simple set up, looking for a very simple (reliable) solution:
Setup:
One Dell box with redundant power supplies running Windows 2003, plugged into two separate APC SmartUPS ...
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1answer
224 views
Raid 5 and Power Supply damage?
Because I build a RAID 5 atm, I wanted to ask, what would happen if the server with a raid 5 in it (like 4-5 hdds) would have a power supply damage? Can I just switch the power supply and my data is ...
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3answers
36 views
Can I replace a broken PSU with one of a smaller size?
I have an OEM power supply unit that is cooked. I'm browsing online to find a replacement and am happy to see that they don't cost too much -- the only thing is they all seem to have varying sizes.
...
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2answers
78 views
Recommendation for a redundant 60V DC Powersupply
We have some Telco-Equipment in our data space center which we had been given by our Telco. What they didn't provide is a redundant power supply and therefore we are struggling with outages of this ...
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5answers
850 views
Server power supply failures?
I have 6 servers both with 2 power supplies attached to an UPS. I want to add 4 more servers but the UPS is full and due to budget restriction I couldn't buy a new one for months. The 6 + 4 new ...
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1answer
219 views
Plug single PSU into two different power sources
We have a rather uncommon situation:
We have a server in a computer center. Its got not enough spare space to put in a redundant PSU. Nevertheless, we want to attach the single PSU to both existing ...
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2answers
263 views
Grounded outlet on external hard drive
Is there any value in getting an external hard drive with a grounded power supply? Would grounding the drive protect it from a static jolt from my hand when I pick it up? I've only really ever used ...
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3answers
595 views
Disable failed power supply warning LED on front of Power Edge 1850
I have a Dell PE 1850 that has recently been re-purposed as a non-essential TFTP server. It is currently running Centos 5.4 with no GUI. It has redundant PSUs, however I only need one connected ...
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4answers
997 views
How do I monitor redundant power supplies on a Dell server?
I'm purchasing a Dell R610 with redundant power supplies. What is the best way to be alerted in the event that one of the power supplies fails? I'll be running Windows Server 2008 R2. Since this ...
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4answers
557 views
Restarting redundant power supplies to Dell servers
When one of the two power supplies to a server is lost does it need to be manually 'reset' or will it automatically start working when power is restored. I can find no documentation about this so I ...
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2answers
172 views
Hot Swappable Power Supply Making Weird Sound
No idea why the server is making this sound and as you can tell, it's very annoying.
Taking out the bad section of the hot swappable power supply does not stop the sound.
Anyone have an idea why it's ...
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3answers
420 views
Power Supply Failure Corrupted a RAID?
All of a sudden, the power supply of a server started to smell real bad. One of the hot swappable power supply units died. We replaced it, booted up Windows Server 2003 to find out that 2 out of 4 ...
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2answers
255 views
PSU: 20 / 24 pin +4 pin
Looks like I need tro replace the Power Supply on one of the machines, but I am confused with the plugs.
The MB (ASROCK 939N68PV-GLAN) has a 24 pin connector and a separate 4 pin (2x2) header.
The ...
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3answers
203 views
Power supply reliability
Is a larger-capacity power supply likely to live longer than a lower-capacity supply, even if they both have plenty of capacity for the system they're on?
For example, say I have a system where the ...
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5answers
427 views
Need hardware to remotely reset hosted computers
We host computers and servers for clients. When their machines crash we need to reboot these machines. However this is not possible when we are out of the office. I know on servers such as HP you ...
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2answers
821 views
GE NetPRO UPS monitoring software available for Windows Server 2008?
We've replaced our old file server with a new one running Windows Server 2008. The UPS we used for the old server is a GE NetPro 1500VA unit. It came with JUMP DataShield monitoring software, which ...
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1answer
81 views
Plugstrips with protected switches
We recently had a full power outage and had to shut down basically all devices in the server room.
Being a smaller org, we still have some very small business practices im working to change over ...
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8answers
184 views
Windows PC randomly shutting down
I have a client PC at work that appears to be shutting down randomly as of late (very annoying!). I have investigated the guts of the case, cleaned out a lot of dust, and the problem persists.
The PC ...
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8answers
376 views
Anti surge protection
Great site - my first posting!
I support a number of small business for all things computing. I protect the servers with APC Smart-UPS 1000. The do just what they were bought to do.
However, I dont ...
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5answers
204 views
The right sequence connecting a power supply to a device
Since I heard two versions and also read two versions in manuals to various devices, I would now like to hear the community opinion.
How should we connect a power supply to an electronic device?
...
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4answers
2k views
What is the button on power supply of the Dell Optiplex 760 workstation for?
What is the button on power supply of the Dell Optiplex 760 workstation for? There is a small button near LED power indicatior - seems to do nothing when pressed.
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7answers
740 views
Is there a solution against short power outages except UPS?
I encounter very short power outages quite often. Typically they last for just couple of seconds - perhaps the power grid maintenance staff just flips the switch to "Off" and then immediately to "On". ...
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9answers
1k views
Do I need some kind of power conditioner or UPS?
In one of my boxen, both my power supply and network card died while in overnight hibernation - why?
And: What must I do to appease the electricity Gods so that I don't lose more hardware?
In ...
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3answers
185 views
Does a fan lattice made of round wire really make less noise than one made by cutting a metal sheet through?
Electronic equipment fans are often covered with a lattice guard, especially the fan in the power supply unit of a computer case.
Two variants are typical: either there'a a huge round hole in the ...
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2answers
252 views
What could cause a NIC to produce audible noise?
I have a PC that produces audible noise/screeching correlated to network activity. The noise is high-pitched and somewhat difficult to locate, however it seems to be coming from the power supply. It's ...
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2answers
532 views
Good power supply for a Asus Z8NR-D12 motherboard? (Or: I can has dual ESP12V?)
My company is building a server and we've already purchased an Asus Z8NR-D12 motherboard which we really like, but when we went to assemble our server, we found that the chassis we had bought came ...
