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-4
votes
1answer
335 views

How much can I undervolt a 3.5 inch hard disk drive? [closed]

There is much written about undervolting CPU's, memory and mainboards. But how much can a 3.5 inch hdd be undervolted? Undervolting a hdd is defined as the lowest voltage you can supply to a drive, ...
1
vote
3answers
406 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
0answers
83 views

Asus GTX650: Underpowered it and it is no longer detected. Driver issues or damaged?

I installed an Asus GTX650 graphics card into a new computer (i3-3220, reasonable decent motherboard that would support it). I failed to take into account for the PSU, which just about matched the ...
3
votes
2answers
2k 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
237 views

Linux CPU energy saving hacks

I have a quad core CPU (Phenom II 945), because sometimes I need performance, but most of the time, 4×800 MHz (the minimal frequency) is still overkill for most usages. So, three questions ...
2
votes
2answers
455 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. ...
1
vote
0answers
272 views

What should I take into account when underclocking Intel i5-750?

I'm using my PC at idle all the time. I want to underclock the CPU at these hot summer days. I got into the BIOS screen, and I saw a setting for "CPU Clock Ratio". I reduced it from 21 to 9. After a ...
2
votes
2answers
823 views

Undervolting & Overclocking the Llano A6-3400M

The AMD A6-3400M comes with a significantly higher stock voltage than is needed to operate stably. Has anyone tweaked and stress tested all the P-states to lower voltages? I've stress tested the ...
1
vote
2answers
966 views

My dlink power supply broke, I found a similar one on old boxes. Is it going to damage my router if used (specs and pic inside)?

I have an old dlink wi-fi router to connect old 802.11g devices at home. It's power supply just fried after a storm. Buying a new power supply is almost the same price as a used router like mine, and ...
2
votes
4answers
648 views

Is it possible to underclock ram

There is an application called granola for windows that can be used to underclock the cpu to consume less power. Is there also an application that can be used to underclock the ram to consume less ...
1
vote
1answer
5k views

Tool to undervolt a Core i3 laptop?

Using k10stat, I significantly undervolted all 3 p-states of my Athlon II P320 laptop, yielding a 10-20% longer battery run time. Are there similar tools for Intel's Clarkdale/Arrandale processors? ...