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7
votes
1answer
578 views

I have a 3.3 Volt PCI ethernet card working on a 5 Volt 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 ...
9
votes
3answers
2k views

Can I have too high a PSU power rating?

I have just ordered a 650 W PSU for my computer which previously had a 300 W, in order to install a more powerful graphics card. However, I didn't check whether anything would blow up ...
3
votes
1answer
4k 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
177 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) ...
1
vote
3answers
2k views

Can I run a router with a lower voltage power adapter?

The power adapter for my Linksys WRT54GL v1.1 router died - its output was 10V, 1000mA. I've tried using a replacement adapter (7.5V, 1000mA) and so far it works. Is this situation stable, or should ...
1
vote
2answers
956 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 ...
3
votes
2answers
4k 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. ...
1
vote
1answer
745 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
1answer
7k views

Using adapter with higher output voltage?

My adapter is broken, and I'm currently using another one while I'm waiting for a new adapter. The input voltage and amps are the same for both adapters, while there are difference in the output ...
1
vote
2answers
517 views

Using alternate rating laptop charger [duplicate]

I am using Sony Vaio and laptop charger burned its rating was 19.5V-3.9A, i am trying to find the same model but I have been only been able to find one with the rating 19.5V-4.7A. Can I use this, any ...
1
vote
2answers
1k views

Same voltage, different amperage for two power supplies

I've just plugged an 18.5V 6.4A HP power supply into an HP laptop; I normally use an 18.5V 3.5A power supply. Since the connector fit, I figured I'd give it a go... so far no funny smells or fires. ...
0
votes
1answer
363 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. ...
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 ...