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Questions tagged [electrical-power]

Power is required for all our servers, desktops, and other electronic devices to operate.

Power is required for all our servers, desktops, and other electronic devices to operate.

436 questions
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Booting Dell PowerEdge T300 without front panel

There is a front control panel on the board with a header. I do not have this and I want to boot up the server. I need to know where the power switch pins are so I can switch it on.
Jack
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Power consumption PDU

As you can see in the image below, I can't get the consumption. Even if I send the log via FTP there's no info about the consumption. I already checked on APC PDU website and co and i didn't found any info. Model Number: AP7821 Application Module…
e1che
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How do I get the power consumption of a Dell PowerVault on the CLI?

How do I measure the power usage of a Dell PowerVault storage device from the command line of the attached server?
Onnonymous
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LogMeIn mess my wake-on-link?

I have windows 8.1 64 bit with an on-board network card (*LAN: Intel® Gigabit Ethernet Controller driver for Windows 8.1**) Now - please notice : I have created an Acronis IMG right after installing Windows & basic programs (office,antivirus). My…
Royi Namir
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Running long time off a battery

I don't know if this question is suitable for ServerFault, but here it's anyway. I brought what's called power-inverter connected it to a battery charger to test how many amps my computer uses, so I found out it uses 10 amps (per what I don't…
ahmad
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hardware to monitor if power is available

Our server-cage is working on 3-phase power. I had this week this unpleasant surprise that one of 3 fuses went off. Can somebody advise me on some (simple) schematics that would allowed me to check on-line what happens to all three phases. I would…
Kris_R
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Disks online through power pull, replace?

Suppose you had a server cabinet and the power was pulled on the whole thing (this just happened to us). Now suppose you had a hard drive (3.5" SATA WD Enterprise) that was not previously in use. It was not formatted or anything. Now, it was…
SvrGuy
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Power limit in a 2x1600W server

I have a server with two 1600W power supply units (a Gigabyte GS-R22PHL if that helps). Should I assume the maximum rated power is 1600W, and that the second unit is for redundancy, or that the combined 3200W are available to the system? I apologize…
0xF2
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Loud Pop from DL380G5--then neither PSU lights up when plugged in

I wanted to fire up my old DL380 G5 server recently, and maybe one second after I hit the power button and the fans started to rev up, I heard a loud pop and suddenly it shut down. Now neither PSU lights the LED near the power cable. The machine…
Charles Martel
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HP ProLiant ML370 G6 shows no sign of life after RAM upgrade

I have power issues with my HP ProLiant ML370 G6 server after Ram upgrade. This server has been running without interruption for a very long time and when we decided to power it off to upgrade RAM we couldn't power it on again. It looks like th MB…
MG_T99
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Daily Cost to run Dell Power Edge R900 and HP DL580 G5

I have these two servers Dell Power Edge R900 and HP DL580 G5 both 4 Xeon Quad Cores and 128GB RAM loaded with Hard Drives 8 x 2.5 on DL580 and 5 3.5 in R900 R900 Using 1570 Watt Power Supply DL580 Using 1200 Watt Power Supply How much are they…
SeanClt
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HP ML10v2 - Power Failure - Critical Temperature

I received an ML10v2 today. I haven't installed any HDDs yet but have installed a SATA optical drive which is connected directly to the m-board. The server doesn't boot and doesn't produce a video output, iLO shows critical system health -…
Fred Boniface
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Commodity hardware related, i'm searching for a ILO, BMC, ALOM and in general IPMI alternate solution

I'm searching for a composite solution to have the same features of an IPMI controller on commodity hardware independently from arch/model and without excessive device dependencies. Essentially the problem can be divided in 2 parts: 1- remote…
dorvan
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what is analog and digital signal in electrical terms?

Analog signals are continous while the digital signals. In electrical terms digital signals are like +5 volts then 0 volts again +5volts , +5volts , 0volts and so on am i right???? and the analog signals are like +5volts 4.9volts, 4.8 volts, 4.7…
Zia ur Rahman
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What's the deal with using unreliable green energy in datacenters?

The news say that Google now uses 48 MW of electricity produced by wind turbines to power one of its datacenters. I've always heard that "green" energy is great, but it is unreliable - wind doesn't blow constantly, sometimes there's no wind and so…
sharptooth
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