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0
votes
1answer
38 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
103 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 ...
1
vote
4answers
143 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 ...
3
votes
2answers
88 views

Do I need to turn off my UPS when I power off my PC?

Do I need to turn off my UPS when I power off my PC? Or, put differently, is it okay for the UPS to be turned on all the time?
4
votes
2answers
81 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 ...
2
votes
3answers
100 views

What Is AVR Mode In UPS Software Management?

When UPS was disconnected from power source and 25W desk lamp was connected to it, all was normal: But as soon as i have unplugged it and plugged in 95W fan, AVR "Normal" changed to up arrow: ...
2
votes
1answer
71 views

To place a Kill A Watt meter between the PSU and UPS or between the UPS and Wall Outlet?

Are you supposed to place a Kill A Watt meter between the PSU and UPS like so: PSU--Kill A Watt--UPS--Wall Outlet? or are you supposed to place a Kill A Watt meter after the UPS like so: ...
2
votes
0answers
88 views

How can I get WinPower 3.2.0.2 to find my UPS on Linux

How can I get WinPower 3.2.0.2 to find my UPS on Linux? I'm using Ubuntu 11.10 I have an Advice UPS After install WinPower, it cannot detect the UPS which is connected with USB cable.
6
votes
3answers
293 views

My UPS has a 5ms switchover time, server shuts off during said time

Is there anything I can do to prevent the server from shutting down? (bios setting etc). the server in question is an HP Proliant ML350 G6. I've got an eaton 5110 UPS and Eaton claims that we need to ...
3
votes
2answers
332 views

Does UPS make any sound when not powering computer?

I would like to buy UPS, but the review I read: http://www.tomshardware.com/reviews/apc-smt1500-cyberpower-cp1500pfclcd-tripp-lite-smart1500slt,2785-12.html make me alert of one thing -- the noise ...
2
votes
3answers
115 views

How can I select a good UPS for network hardware?

After a recent power outage I realized that while all our main computers are laptops with battery power, the WiFi and modem are not. Cable service to the area continued working fine, but without ...
0
votes
1answer
88 views

Is this UPS strong enough? [closed]

I have a pretty power hungry rig, enough that I threw an 850w PSU in there. I've played around with a few wattage estimation/calculator sites and they've all suggested I would need at least 650-750w ...
-1
votes
1answer
60 views

What is the recommended placement for an Uninterruptible Power Supply? [closed]

I once had a water leak in my flat and my UPS was on the floor, but I noticed and prevented the leak. Now I see my mistake with the UPS placement since it is wrong to place it on the floor. I am now ...
1
vote
1answer
41 views

Surge Protectors - Wall Outlet Plug vs. Stationary Surge Protector

While the former will cost 3 times less: The latter will cost more: Question: Are both almost the same or the latter is better (which i suppose is judging by price)?
5
votes
2answers
162 views

Is it okay to use a UPS without a ground?

I have a UPS unit that I would like to use for a workstation installation that does not have a valid ground (in the Philippines, a true ground is a luxury). I am not an Electrical Engineer, but I ...
1
vote
1answer
102 views

Using notebook batteries as a no-break (UPS) for a desktop

I have a notebook battery at home that became useless when my old notebook died (RIP). Can I use the battery in some way to implement something like a no-break (also known as UPS (Uninterruptible ...
1
vote
2answers
208 views

Does Laptop's Battery Condition Power When On AC?

I doubt about this, but still want to hear what others think. UPS condition power but does laptop's battery condition power?
1
vote
2answers
119 views

Using Laptop Battery And Surge Protector Instead Of UPS? [closed]

I was thinking of using battery and surge protector instead of UPS. With UPS you have to: Do checkups Ship for battery replacements i.e it is a hassle. With laptop battery you have nothing to ...
2
votes
4answers
123 views

Laptop Malfunctions After UPS Failure? I Have Got What I Deserved

My UPS failed today and laptop ceased working. UPS failed me before 1 time and it was when laptop was on standby but nothing happened to the laptop however. Also there were times when laptop was ...
1
vote
1answer
185 views

Is there a way to tell the laptop battery when to stop charging?

I don't want my laptop's battery to always be at 100% because it lessens battery life, especially when above 25 Celcius, the lowest summer temperature in Israel (currently 30C - 32C). I prefer to keep ...
2
votes
1answer
262 views

Internal UPS for desktop computers?

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
150 views

in-car server, avoid disk error when power interruption?

guys I have a low powered 1U server in my car which collect some data, but when I stop my car and remove my key, the power for the linux box will be cut immediately for the computer. And power back ...
4
votes
2answers
125 views

Is UPS wattage rating for battery backup outlets only?

I have a Back-UPS ES 550 from APC, and I'm wondering if that 550 wattage rating is for the battery backup side only or all outlets? It has 8 outlets. 4 that say battery backup, and 4 that say surge ...
0
votes
1answer
253 views

What happens if a Drobo experiences a power failure during a rebuild?

I recently purchased a Drobo and I was wondering, what happens to the Drobo if it's in the middle of a rebuild and there's a power failure? I know that the Drobo cannot protect against a disk failure ...
0
votes
0answers
161 views

Setting an APC SU700I UPS for PC hibernation after 2min of power outage? (APC UPS experienced user might be needed)

I have an APC SU700I UPS connected to my PC via a serial cable. I'm running Win7 x64, and Vmware Workstation on this PC. I'm using APC PowerChute Business Edition v8.0 web agent interface. The ...
1
vote
5answers
393 views

What to look for in a good UPS?

I just asked this question where my PC may have been fried due to a power surge. Now I'm browsing around and I'm curious what characteristics make a quality UPS? What should I be looking at? Should I ...
3
votes
2answers
221 views

Attaching LCD monitor to UPS - output waveform matters or not?

I've got a quite expensive LCD monitor (~$1000) and I wish to protect it from instabilities in the power line. So I intend to get a UPS for it. I see two types of UPS devices which differ on the ...
1
vote
1answer
114 views

UPS for PC: management and care

How should one care about UPS (do maintenance of UPS) for a home computer? I am asking because after one case where UPS was discharged fully (till it was empty), it now does not hold the power: it ...
3
votes
2answers
394 views

What is better for power problems, a UPS or a voltage regulator?

I live in a cheap flat filled with expensive, sensitive electronic devices. There is only one electric circuit for everything to plug in. Several times a day, the fridge's compressor wakes up, and ...
1
vote
2answers
166 views

UPS and Surge suppressors: what do joules mean?

I have been looking at UPS's and noticed that they usually have a joules rating much lower than what a relatively inexpensive $40 surge suppressor does. Does this mean that in the event of a surge ...
2
votes
2answers
148 views

need UPS communication software for ubuntu

i have a server that should have an energy reserves. i want to use some UPS for this. but how to make it can communicate with PC, so it can makes the PC shutdown automatically. whats software for ...
7
votes
3answers
445 views

What UPS do you use for home server?

What UPS equipment do you use or would you recommend for a home server (to power 1 or 2 Linux servers)? What's your setup? Do you have a power generator to power the UPS in case of a prolonged power ...
1
vote
1answer
268 views

attach C14 male power 3-pin connector to 2-wire cord

I need to attach a C14 male connector to my 2-wire cord to get power from my UPS. should I ignore the middle pin on C14 and attach my 2 wires of my cord to left and right pins?
0
votes
2answers
106 views

Can a UPS give off an EM field capable of interfering with desktop components?

I own an APC Back-UPS ES 750; it's about 4 years old, and is the only major component remaining in a question that has been boggling me for the last 18 months. (Yep, I originally posted this question ...
5
votes
4answers
3k views

Should I use UPS with my laptop to extend the battery life?

I recently bought a new Vaio laptop which has a 4400 mAh battery. I will use it at home most of the time, and I have an unused uninterruptible power supply (UPS). Should I remove the battery and ...
3
votes
3answers
534 views

Why PC reboots when there’s a power failure even with UPS?

I've purchased a Line Interactive UPS 1200VA. It's supposed to give 8~20min backup (as written in the manual). This UPS has transfer time < 10ms. It works fine when the mains is active. But the ...
8
votes
5answers
1k views

Is UPS necessary to have for a PC?

Can my computer components ( Monitor, Motherboard, RAM, HDD, CPU, SMPS) become damaged due to a sudden power flux. It's only needed to shut down Windows properly. Can I solve both Hardware and ...
0
votes
1answer
187 views

UPS behaviour when Snow Leopard is asleep

What is Snow Leopard's behaviour when there is a power failure and it is connected to a UPS, and it is in sleep mode? Will the UPS alarm notification wake OSX?
2
votes
5answers
5k views

APC UPS Overload light blinking and constant alarm tone

I have a Back-UPS XS 900 on a standalone Debian server that seems to randomly start sounding a constant overload alarm, even with nothing plugged in. The alarm continues to sound until I manually ...
1
vote
1answer
196 views

What do I plug in first, my voltage regulator or UPS?

I have a voltage regulator and UPS battery backup. Putting the voltage regulator first and then the UPS or the UPS and then voltage regulator both work, but what is best?
1
vote
2answers
994 views

UPS Switching time

What is the average time for a UPS to switch from line power to battery? I now there are some more expensive "inline" UPS which don't have a switching transient, but I want to see if I can use a less ...
1
vote
3answers
2k views

APC ES 350 - continuous alarm

Continuous alarm on ES-350, power light (green) blinking. There are no other audio/visual indicators. Circuit breaker button is popped out, won't reset, attached devices have power. Power cycle and ...
4
votes
4answers
472 views

UPS - safe to plug all the equipment in a single plug?

I will be needing to back up about 8-10 computers, and am considering getting a single high capacity ups for the job. I am assuming somewhere around 3000VA will be needed for this, but the real ...
1
vote
1answer
640 views

Shut Down VMware guest applications when UPS kicks in

So my situation is that I am running VMware workstation to run a LAMP server for some lightweight data collection. My host OS is Windows XP. I have a APC UPS that is set to shut down the PC via ...
2
votes
1answer
170 views

Why does my UPS break AC adaptors?

I've got a couple of my AC adaptors fail at different times during what I assume were power spikes, while being connected to my UPS. It's a pretty old APC 500 which I use only to back up my router and ...
3
votes
3answers
939 views

computer shutoff suddenly, I have a APC backup UPS SE 350

My computer suddenly shutoff (abruptly), and then the APC (UPS SE 350) started to beep continuously. I pressed the button on it and it stopped, then I pressed it again and it turned on (green light) ...
1
vote
1answer
354 views

How do I get Snow Leopard to recognize an old RS-232 UPS?

Instead of blowing $100+ on a brand new UPS, I decided to try to resuscitate the ancient CPS350SL that got me through college and grad school. One $7 sealed lead-acid battery later and it's back in ...
2
votes
4answers
644 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 ...
2
votes
4answers
425 views

Is it alright to put a UPS right next to a PC?

Due to lack of space I'm considering placing a UPS right next to a PC. The UPS is a Niky 1100(VA), a somewhat powerful, yet low-quality machine. Should I be worried about any magnetic field this thing ...
4
votes
5answers
2k views

If my power supply is 700w, do I need a 700w UPS?

if my power supply is 700w, do I need a 700w UPS? I am running dual 20" dell LCD's, a i7 quad core system with a radion 4870 1gb video card, 2 hard drives.

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