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Undervolt/underclock, save electricity?

post #1 of 6
Thread Starter 
I leave my computer
often and leave my computer 24/7...somewhat I know pentium 4 runs hot and use alot of electricity and wonder if buying a mother that I can undervolt it in bios, ( I will of course have to lower the fsb). Will I save alot of electricity for doing this? Will this be worth it for me?

I thought of getting pentium m but overall it cost too much just to replace new cpu and motherboard, as well as I am using old DDR ram and AGP card.

Thanks
My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 2.4 A or B northwood P4v8x-mx Windows XP some old lcd 
KeyboardPowerCaseMouse
a microsoft keyboard 250 Watt some ATX mid tower some old mouse 
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My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 2.4 A or B northwood P4v8x-mx Windows XP some old lcd 
KeyboardPowerCaseMouse
a microsoft keyboard 250 Watt some ATX mid tower some old mouse 
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post #2 of 6
You can save some power but not a lot. Northwoods don't use too much anyway (I think 60-70 watts full load). You might be able to get that down to 20-30, but remember that's jsut the CPU, everything else still uses full power so it might reduce total power usage from say 85 watts down to 55 watts idle. Yes it's a savings but probably not worth buying a new motherboard over.
Main Rig
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500K Asus P8P67 EVO GTX 980 16GB DDR3 1866mhz 
Hard DriveCoolingOSMonitor
Revodrive 3 x2 240GB, M500 960GB, 2x WD 1TB Rai... Noctua NH-D14 Windows 10 Apple Cinema 30" 1600p 
KeyboardPowerCaseMouse
Logitech Orion Spark Capstone 750w CM Storm Scout Logitech G700s 
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Main Rig
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500K Asus P8P67 EVO GTX 980 16GB DDR3 1866mhz 
Hard DriveCoolingOSMonitor
Revodrive 3 x2 240GB, M500 960GB, 2x WD 1TB Rai... Noctua NH-D14 Windows 10 Apple Cinema 30" 1600p 
KeyboardPowerCaseMouse
Logitech Orion Spark Capstone 750w CM Storm Scout Logitech G700s 
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post #3 of 6
Thread Starter 
thanks,
but is there any other ways I can do to save more power though?
My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 2.4 A or B northwood P4v8x-mx Windows XP some old lcd 
KeyboardPowerCaseMouse
a microsoft keyboard 250 Watt some ATX mid tower some old mouse 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 2.4 A or B northwood P4v8x-mx Windows XP some old lcd 
KeyboardPowerCaseMouse
a microsoft keyboard 250 Watt some ATX mid tower some old mouse 
  hide details  
Reply
post #4 of 6
Quote:
Originally Posted by boon View Post
thanks,
but is there any other ways I can do to save more power though?
Hibernate
    
CPUMotherboardGraphicsRAM
E4300 @ 3150MHz Gigabyte P35-DS3R Diamond HD2900XT 1GB 4GB DDR2-1000 G.SKILL 
Hard DriveOptical DriveOSMonitor
Samsung 750GB 32mb + 3x 250GB Samsung SATA Windows XP SP2 Samsung 941BW (HANNS.G 28" on the way) 
KeyboardPowerCaseMouse
Old Dell Clicky-Type w/ Cherry Sliders PCP&C 510 SLI LIAN LI PC-7B Razer Lachesis 
Mouse Pad
Func F10.S 
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CPUMotherboardGraphicsRAM
E4300 @ 3150MHz Gigabyte P35-DS3R Diamond HD2900XT 1GB 4GB DDR2-1000 G.SKILL 
Hard DriveOptical DriveOSMonitor
Samsung 750GB 32mb + 3x 250GB Samsung SATA Windows XP SP2 Samsung 941BW (HANNS.G 28" on the way) 
KeyboardPowerCaseMouse
Old Dell Clicky-Type w/ Cherry Sliders PCP&C 510 SLI LIAN LI PC-7B Razer Lachesis 
Mouse Pad
Func F10.S 
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post #5 of 6
Quote:
Originally Posted by boon View Post
thanks,
but is there any other ways I can do to save more power though?
Well obviously set the monitor to turn off. If the hard drives aren't being used when you're gone you can set the drives to power down after some time. Also I think CD/DVD drives use a few watts idle so you could unplug those.
Main Rig
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500K Asus P8P67 EVO GTX 980 16GB DDR3 1866mhz 
Hard DriveCoolingOSMonitor
Revodrive 3 x2 240GB, M500 960GB, 2x WD 1TB Rai... Noctua NH-D14 Windows 10 Apple Cinema 30" 1600p 
KeyboardPowerCaseMouse
Logitech Orion Spark Capstone 750w CM Storm Scout Logitech G700s 
  hide details  
Reply
Main Rig
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500K Asus P8P67 EVO GTX 980 16GB DDR3 1866mhz 
Hard DriveCoolingOSMonitor
Revodrive 3 x2 240GB, M500 960GB, 2x WD 1TB Rai... Noctua NH-D14 Windows 10 Apple Cinema 30" 1600p 
KeyboardPowerCaseMouse
Logitech Orion Spark Capstone 750w CM Storm Scout Logitech G700s 
  hide details  
Reply
post #6 of 6
Quote:
Originally Posted by boon View Post
Will I save alot of electricity for doing this? Will this be worth it for me?
Probably not. Why do you leave your computer on 24/7?? Unless you are folding (and then it would be counter productive to undervolt/underclock), then there's little reason to leave it on all the time. Turn it off when you go to bed or when you are leaving the house.
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