0
votes
1answer
92 views

Poweredge 2500 6C822 PDM Board Pinouts?

Okay, here's a strange one: I am trying to use an old Poweredge 2500 chassis to house a newer ATX-type motherboard. What I need to know is this: What are the pinouts for the 6C822 Power ...
0
votes
0answers
2k views

Can a faulty battery cause my laptop to shutdown even on AC line? (battery installed AND plugged in together)

until recently I experience something rather annoying (and troublesome) with my laptop: it spontaneously shuts down itself without any warning, and restart right after that. No blue screen, no hanging ...
0
votes
1answer
180 views

PC won't boot after unplugging power until doing several re-pluggings

After shutting down my PC, I usually unplug the main power cable, but the next time it's plugged my PC won't boot until I unplug and replug it several times (twice or more). Does this happen to be a ...
2
votes
2answers
72 views

Do chargers consume power when plugged but not used? [closed]

Many people leave their chargers for mobile phones, laptops, devices of any kind plugged into the power socket but without the device they are supposed to charge, connected at the other end. When ...
2
votes
1answer
241 views

Is there an instrument or software that can measure the ACTUAL maximum power available to a USB port?

I use a non-self-powered USB modem device for a solutions I provide to multiple customers, and very often I encounter a problem in which the devices stops working due to many reasons, one of which I ...
1
vote
1answer
235 views

Is My PSU compatible with this UPS

I have this PSU and this UPS, however due to the PSU being/having an active PFC (power factor correction) it is incompatible with my UPS (at least according to APC tech support, for reference see my ...
3
votes
3answers
2k views

Computer hangs due to underpowered UPS?

I just bought a new UPS. Now since I started using it I experienced at least 3 random freeze in Windows 7 and it happens during the first 10 minutes of start-up. Note when I say freeze, I mean I ...
3
votes
4answers
7k views

Does a UPS charge it's battery even if my computer is turned on?

I bought a new UPS and the manual says something like "the UPS must charge for 24 hours before it can work properly..." My question is, does it charge even if my computer is turned-on or should I ...
4
votes
2answers
641 views

Will a 300W UPS work fine if my PSU is 500W?

I am getting a UPS (Uninterrupted Power Supply), currently here are my options: http://www.apc.com/products/resource/include/techspec_index.cfm?base_sku=BE500R-PH ...
1
vote
3answers
4k views

How to know how much power my PC is consuming? [duplicate]

Possible Duplicate: How can I calculate power consumption of my PC in Watt? I'm living with my parents. My dad was complaining that because of my excessive computer usage , he had to pay ...
5
votes
2answers
315 views

Reduce power use on computer

I watch a lot of movie's on my computer which is connected to my TV. Problem is i built the pc to be a gaming computer and it has the power supply to match (1200w). Is there a way to set it into a ...
31
votes
3answers
23k views

How do you check how much power a USB port can deliver?

Some laptops have a special USB port that can deliver more power than the other ones. However it is not always easy to identify which one is the good one, nor how much power it can deliver. So is ...
10
votes
4answers
2k views

Does my 1000 watt 80gold+ (90% efficient) PSU pull 1111 watts, 1000 watts, or 900 watts from my wall receptacle at 100% load?

Does my 1000 watt 80gold+ (90% efficient) PSU pull 1111 watts, 1000 watts, or 900 watts from my wall receptacle at 100% load? When I plug my 200 watt video card into one of the PCIe power ...
4
votes
2answers
1k views

Internal UPS for desktop computers? [closed]

I was wondering, are there internal UPS'es available for desktop computers? Every laptop has something like a UPS in it: The battery pack. Desktop computers don't consume that much power, it should ...
1
vote
2answers
501 views

Do C13 male/female cables exist? Or do I even need them?

I am hoping to plug a few computers into this HP PDU soon. I have aftermarket power supplies, all of which take c13 female connections apparently. The PDU (from what I gather in the pdf) has 8 * c13 ...
4
votes
1answer
411 views

Do Any PDUs/Power Strips That Plug Into A 14-30 Receptacle Even Exist?

I am hoping to turn my laundry room into a mini data-center. My dryer takes a 4 pronged, 120/240v NEMA 14-30 receptacle. Most all PDUs seem to have NEMA L6-30 plugs (3 prongs, twist lock). ...
1
vote
2answers
217 views

What Sized Cables Are Most Commonly Used To Connect To PSUs?

Most all wall plugs in North America are type A or type B. What type of cable end usually plugs into an aftermarket PSU? I am pretty sure it is the C13 cable, but not many PSUs make this ...
2
votes
2answers
71 views

Desktop PC power supplies - will a fancy one save power (while powering same hardware components)?

Say I put a cheap power supply into a PC, could I save electricity costs by replacing it with some kind of fancy PSU (that's "more efficient" or has some kind of intelligent power management)? I know ...
1
vote
1answer
772 views

Does a 1 molex --> 1 6-pin pci-e connector supply enough power for a gpu?

Two questions: Can I power a Radeon HD 5830 with 2 (1 molex to 1 6pin pci-e connectors)? Can I get and use a 8pin pci-e --> 6pin pci-e connector for a HD5830? Note: I cannot just use two 6pin ...
0
votes
1answer
332 views

Laptop HP530 has the same brightness with battery than with AC power

I have a notebook (HP 530) and I always noticed that with the AC power cable plugged the brightness of the monitor is greater than without it (i guess its to save power when running on battery). But ...
5
votes
7answers
5k views

How do I lower power consumption of my computer

My electricity bills are high and my Dad keeps shouting me for that (I use my computer over 20 hours per day). Below are the few things I am curious to know; How do I lower my Computer Power ...
4
votes
2answers
10k views

How many watts do case fans generally use?

I'm deciding between a 500 watt PSU and a 600 watt PSU. I currently have a 460 watt PSU that powers everything but my dvd drive, spare hard drive, and 2 fans. I've determined 40 watts is enough to ...
4
votes
2answers
3k views

Is a laptop damaged by always keeping it plugged in?

If I keep the power cord plugged in all of the time, will it damage my laptop?
1
vote
1answer
73 views

How to know if there are stability/ compatibility issues with enabling intel(R) speedstep

There is this power-saving app called granola. And it requires enabling Intel(R) speedStep on the bios(CPU Configuration). How would I know if there are issues with enabling this feature with my ...
2
votes
4answers
2k views

Does a cable internet connection remain active during a loss of power in the apartment building?

I live in an apartment building in Czech Republic, Europe. I have a cable internet connection with a static IP connected to an Ubuntu server I set up. Recently out building lost power, though the ...
6
votes
4answers
2k views

Will unplugging my computer/entertainment center every night cause damage?

All squirreled away within a nice little cabinet are the following components of my entertainment center: Pentium-4 based (vintage ~2002) PC Samsung 32" LCD HDTV Netgear Ethernet hub XBox 360 Wii A ...
149
votes
6answers
62k views

Should laptops remain plugged in when their battery is 100% charged?

When your laptop's battery is 100% charged, should you leave it plugged in so any battery power doesn't get used, or will that cause overcharging, overheating, etc.? Should the laptop be unplugged ...
3
votes
7answers
216 views

Likely reason for not being able to power on an older computer?

I demoted my older desktop computer to a server a short while back and it has always had some sort of problem with powering on after a complete power loss. For instance, right now it's powered on and ...