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-1
votes
3answers
96 views

What happens if I put an 1.5V ram stick in a 1.65V rated Motherboardslot?

I'm going to bulid my new gaming rig pretty soon. I allready got my DDR3 Ram sticks(KVR16N11K2/16 by Kingston). Is it possible to put those in a Motherboard which has 1.65V Rated RAM-Slots(the ...
0
votes
1answer
24 views

Can I put two kingston value ram of different nominal voltages?

My MacBook Pro Mid 2010 has two ddr3 so-dimm ram slots capable of hosting totally 8gb. I already have one kingston value ram module 1066 Hz 4gb and I want to buy another 4gb module. There is the ...
7
votes
1answer
156 views

I have a 3.3Volt PCI ethernet card working on a 5Volt PCI slot. How is it possible?

This is the design for PCI slots: As you can see, there are 32/64 bits and 3.3/5 Volts. For what I know: 32 bits PCI cards can work in 64 bits slots of the same voltage. 64 bits PCI cards ...
3
votes
1answer
40 views

Ever have bad voltage on an ethernet jack on a router/switch?

So I've got a bit of an odd problem I'm trying to solve. I have an ASUS RT-N66U router which has a desktop, xbox, and my brand new NAS directly wired into it. Whenever I hook the brand new NAS up ...
1
vote
0answers
50 views

Should you worry about high voltage and wattage on a non-overclocked computer?

I've been wondering if I should be worried at all about high wattage or voltage on a non-overclocked computer. I say non-overclocked because when I Google search this question or something similar it ...
-2
votes
3answers
79 views

What do OUTPUT charts of PC Power Supplies mean?

I'm looking at various power supplies and they all come with different output cables. They also have different OUTPUT charts, for example: What I'm wondering: What are these output columns are ...
1
vote
1answer
96 views

Different RAM voltage

on my PC I have 2 kingston RAMs. The only difference is that one runs at 1,35V, the other at 1,5. As you can see frequency, latency and others doesn't change. My motherboard is an Asus ...
1
vote
2answers
223 views

Can Current Backflow from Powered Hub's Adapter & cause PC Damage?

Getting this short: Can current flow from a powered USB hub's power adapter (lying 10 Meter away) back to computer via usb port and cause damage to Computer components like mobo, etc? What should be ...
0
votes
1answer
137 views

How can a power supply rated 7A be strong enough for two devices rated 5A? [closed]

I am not understanding something fundamental to amperage: Consider this adapter which outputs 12V 7A. It claims that several (eight, in this case) devices running at 12V 5A can draw enough power from ...
0
votes
1answer
179 views

How to overclock CPU using only FSB?

According to my BIOS the CPU temperature and the system temperature are 16°C and 18°C respectively for Idle on stock air cooling. (It used to be 40°C and 48°C when I kept my computer inside a case. ...
1
vote
0answers
97 views

CPU voltage settings set in BIOS always stay the default

Default voltage is 1.5v.It can be set to the highest setting (1.55) or even to 0.8v but the voltage always is 1.5v. How to make it 1.55v? Can I somehow make it higher than listed there (like 1.6v) ...
0
votes
1answer
42 views

Are Samsung Series 9 ultrabooks (purchased in the US) compatible with 240V/50Hz power input?

I'm traveling and I'm curious if I can use an adapter. I have a replacement power chord and it states that it can take in 100V-240V, 50-60Hz, but I want to make sure that the ultrabook itself accepts ...
0
votes
0answers
114 views

CPU Voltage: different values in BIOS and OS

I manually set CPU voltage to 1.1000 V in BIOS (Advanced Screen > CPU Configuration > Multiplier/Voltage Change > CPU Voltage). After reboot I see in BIOS (Vcore in H/W Monitor screen) that it is ...
0
votes
0answers
200 views

Observing Output Current/Voltage from USB Port

I am working on a project where i am required to observe the current draw from a circuit. In a lab, I have access to power supply/multimeter and can easily check how much current is being drawn from ...
0
votes
0answers
55 views

probe processor voltage in linux

I am in a redhat server I've tried to use lm-sensors to detect my processor's voltage, just like CPU-Z in windows environment. But after I using the command "sensor-detect", only processor's ...
2
votes
2answers
165 views

Turning on lamp pauses sound in my headset

I have my headset connected to my PC with USB. When I turn on my lamp on my table (fluorescent) the music from my headset pauses for about a second while the lamp powers up. Then it's back to normal. ...
0
votes
1answer
62 views

No display Asus x44h

My laptop is an Asus model x44h. Last night due to high voltages, my charger and laptop were damaged. Now my laptop display shows nothing but I can still hear the login sound. Can anybody help me ...
0
votes
0answers
619 views

Acer aspire battey pin diagram

I have an Acer Aspire laptop and it has a 6 cell Ar4920LR laptop battery, I need to figure out what two pins are used for charging the laptop battery. Can anyone take the battery out of anyone and ...
1
vote
2answers
208 views

PSU blue wire reads strange voltage

I was testing my PSU with paperclip method and checking the voltage of every wire just to be sure it is 100% functioning. What surprised me was that every wire was working just fine but one, the blue ...
0
votes
1answer
66 views

Hi I would like to know if modules (2gb each) of G Skill F3-12800CL7 are compatible with Intel® NUC Kit D34010WYK

I would like to know if modules (2gb each) of G Skill F3-12800CL7 are compatible with Intel NUC Kit D34010WYK. That because of the voltage: the NUC does not support 1,5 V but only 1,35 V. I would ...
1
vote
1answer
87 views

Is PSU voltage ripple something to worry about?

I'm currently putting together my first computer and I've had my eye on a Fractal Design Newton R3. From all of the reviews I've read this PSU comes out shining with the exception of voltage ripple on ...
1
vote
2answers
477 views

Computer cables explained [closed]

I've noticed lately that places to learn about both power supply cables and also peripherals and fans aren't that easy to find. There's very little information available that gives detailed ...
1
vote
3answers
440 views

would I save power using a lower voltage power adapter? (on a modem)

from various experiences modems, access points, and other devices will often run fine even with power adapters of lower voltages (compared to their original power adapter). I am wondering if using a ...
0
votes
1answer
293 views

Memory with incorrect voltage for motherboard

I just bought an Intel DP35DP motherboard. Multiple sites tell me that only 1.8V memory works. I have 2x1GB sticks of 1.9-2.1V RAM, then another 2x1GB of 2.1V RAM. The BIOS does detect all 4GB of ...
0
votes
1answer
184 views

Power Supply case measures 75V?

My friend showed me his dead computer. When I powered up, the green LED on the motherboard didn't even come on. He had bought a new $40 500W power supply and he wanted me to install it. I did, and ...
0
votes
0answers
208 views

14.8 V vs 14.4 V battery

I had a laptop battery that was 14.4 V, and I ordered an aftermarket replacement. The replacement was sold as 14.4 V but says on the battery that it is 14.8 V. Is this safe to use? The original AC ...
25
votes
2answers
991 views

How does Windows detect battery issues?

I have a laptop that's a little over 5 years old, and I've never changed the battery, so I believe Windows 7 when it tells me "there is a problem with your battery", and to consider replacing it. My ...
0
votes
2answers
99 views

Cable from laptop brick to wall [duplicate]

I've seen plenty of questions asked about the power output of laptop bricks to the laptop - however my question is does the plug and cable that runs from the laptop brick to the wall need to match up? ...
0
votes
1answer
153 views

Overclocking AMD Sempron +2400

Basically, I wanna ask is there a safe way to overclock the mentioned processor to 2.0Ghz (Stock - 1.67Ghz, Single core). Now it's running @ 1.8Ghz and 1.5something V, as I run it @ 2.0Ghz it becomes ...
2
votes
1answer
178 views

Higher voltage requirement for lower clock frequency

Is there any reason for a CPU to require a higher Vcore to achieve stability when running at a certain speed, than the Vcore that the same chip requires for stability when running at a higher speed? ...
3
votes
2answers
3k views

How to optimize PLL voltage

I am overclocking my Core i7 (Ivy Bridge 3770K), aiming for a moderate overclock. Currently I have it easily stable at a pleasant 4.4GHZ - BCLK defaulted at 100.00MHz, with the multiplier set to x44. ...
0
votes
3answers
271 views

What negatives can occur when installing mismatched memory?

Specifically, if I have a machine spec'd for 1.5V and I install 1.3V RAM modules, what side effects can occur?
2
votes
1answer
2k views

How do I change GPU core voltage?

I've got an AMD Radeon 6790 with Mint 14, and I'm experimenting with over-clocking the GPU for Bitcoin mining. Right now, I'm running it at 990/130 stable at stock voltage (I think 1.185V), but I ...
1
vote
2answers
2k views

Power supply bad with good voltage?

I am trying to drive out the reason I am having some hard drive "hard resetting link" error problems on a Linux Debian box. I am trying to eliminate the power supply as a problem in trouble shooting, ...
1
vote
1answer
470 views

Insufficient power from an adapter

Would not having enough power (or voltage or amperage) from an adapter make a laptop no longer charge/boot up (if the battery is out of power)? What about causing shorts? And would using a different ...
0
votes
0answers
146 views

How to test laptop adapter voltage with a Digital Voltage Detection Screwdriver Test Pen

Couple of days ago I replaced my laptop adapter, and when I use that, some amount of current discharges through the sockets,ports...etc (i.e. audio out). So I checked the adapter with a Test Pen (I ...
1
vote
1answer
688 views

Which software to log voltage readings? [duplicate]

Possible Duplicate: What is a good tool to monitor my computer’s sensors? Utility for monitoring fan speed etc I need to test my windows system when playing 3D intensive games and would ...
-1
votes
1answer
39 views

rated voltage on power blocks [closed]

I recently converted a beer light (plexiglass) using 20 LED's, resisters and a power block rated at 9V but it burned out the LED's. I When i tested the adapter it was putting out 14V's. Question: ...
1
vote
1answer
94 views

PC loading programs slower than normal after voltage change [closed]

I always turned on my PC at 220V, it always worked normally. Today I turned my PC at 110V and it was very slow to load any program. I turned it back on at 220V but it is still very low to load ...
1
vote
0answers
246 views

1.8 VDC POWER remains on USB after SHUTDOWN (HP Compaq Pro 4300 SFF - Product ID: QZ219AV)

I am having unexpected opportunities with a USB Device failing to properly initialize on startup after a shutdown, which seems to be caused by residual power remaining on my USB Ports (after ...
0
votes
1answer
369 views

240v speakers into 110v outlet

Can I plug a pair of 240v computer speakers into 110v wall outlet? Plugging in the reverse (110v speaker in to 220v wall outlet) I assume would destroy the device in question but if I provide lower ...
2
votes
2answers
115 views

Serious voltage and temperature problems

My computer has been acting up when I play games so I wanted to look into why. Issue 1: GPU Temp According to afterburner and speedfan my 8800GTX idles at 90 degrees and then when playing games ...
2
votes
2answers
292 views

UPS switches to battery power when plugging in devices?

Over the past week or so I've had my UPS switch over to battery power briefly when plugging in new devices (possibly limited to just AC -> DC chargers, but haven't tested anything else). I had ...
0
votes
1answer
1k views

Will my laptop be ok with this different laptop charger? [duplicate]

Possible Duplicate: Charging laptop with non-original charger How can I tell if an AC adapter is compatible with my laptop? So the original laptop charger broke and I switched to a ...
0
votes
1answer
2k views

how to use multiple RAM chips with different timings and voltages

Last thanksgiving, I built a computer using this RAM. I have decided to upgrade to 8GB, so I just bought this. As you can see, the 2 kits have different timings, voltages, and CLs. Is it possible ...
0
votes
1answer
57 views

Manually starting a PSU lowers the output Voltage

I have a PSU. When I start it using a motherboard, I get a little over 5 and 12 volts on the respective lines. But when I manually start it (by connecting PS_ON to ground), I get only 4.2 Volts on the ...
2
votes
2answers
465 views

Weird voltage issues - intermittent low 5V line

My computer has developed a strange ailment: when I turn it on, the 5V power line from the PSU is very low, hovering at around 4.2V. This is intermittent however, sometimes it jumps back up to 4.98V. ...
0
votes
0answers
641 views

Laptop battery 10.8V vs 11.1V

I've had my HDX 16 for about 3 years now, and I've been using the batteries quite intensively last year. I'm getting warnings about the battery needing to be replaced before boot and in Windows. ...
3
votes
1answer
3k views

Is it safe to use a laptop AC adapter with 220V power if the AC cable is not rated for 220V?

The AC adapter supplied with my laptop is designed to accept voltage in the range of 100-240VAC at 50-60Hz, but the AC cable that plugs into the adapter unit itself is only rated to 125VAC 7.5A 2.5A. ...
1
vote
1answer
656 views

What are the costs and benefits of using 12V-only motherboards? [closed]

According to my research, it sounds as though power efficiency concerns in recent years have driven some hardware manufacturers to create different power supplies and motherboards which are ...