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Not enough power?

G

GMcDougal

Gawd
2FA
Joined
Aug 22, 2004
Messages
936
im wondering if ive got enough power. im having some probs with windows xp loading,but im not sure if it driver related or not. heres my specs below:

enlight 420w power supply with 18a 12v rail

BFG 7800gt

epox nforce4 motherboard 754 socket

maxtor diamondmax 10 sata harddrive

1 cdrom

floppy drive

athlon 64 3000 cpu

sound blaster audigy 2

1 gig corsair ram

if someone can help me out,id greatly appreciate it!
 
I'm going to suspect you've got a bit of a power problem. If you hookup a multimeter to the 12V rail, you'll likely see it drop a good bit when gaming.
 
windows doesnt load most of the time,but will load everytime in safe mode.if i keep rebooting,it will eventually load,and i can game fine.i hate to spend 80 bucks to find out it wasnt a low power issue.is there a way i can tell if its low power?
 
Hook up a multimeter, and check the voltage on the 12V rail. If it's more than 5% high or low, then you should get a new PSU.
 
It's your RAM. ;)

Is that Corsair one 1GB stick or two 512's?
 
How does one go about figuring out what component to blame for excessive power usage?
I have a little bit of a flcikering display every now and then, not sure if it is insufficient power or perhaps my Hitachi CM811Plus going bad after some 5 years of godd service.

Antec 550W PSU
Dual Xeon 2.8Ghz
Supermicro X6DH8-XG2 (one NIC off, onboard video off)
Geforce 6600 GT PCI-E
2GB Kingston VR ECC DDR2 (2x1GB)
SB Live!
3ware 9500 raid controller
4x samsung 160gb drives
2x wd 74gb raptors
1x dvd-rw
1x ps2 keyboard
4x usb hardware keys
2x 120mm fans

I think that's it.
 
thats two sticks of 512. ive got it in slots 1 and 2.should i try 1 and 3? or 2 and 3?
 
GMcDougal said:
thats two sticks of 512. ive got it in slots 1 and 2.should i try 1 and 3? or 2 and 3?
Click to expand...

Try one at a time.
 
davidhammock200 said:
Yes! Modern PC's should have a min of
12V@26A for non-SLI & +12V@34A for SLI. ;)
Click to expand...

Based on what components? You can't really generalize like that because if you do, you've just stated that 90% of my builds are underpowered. ;)

A Pentium 4 3.4GHz with a Radeon X850 doesn't need 26A on the 12V rail.

An Athlon 64 3200+ with a pair of 6600GT's doesn't need 34A on the 12V rail.

Of course, more is certainly not a bad thing. ;)
 
jonnyGURU said:
Based on what components? You can't really generalize like that because if you do, you've just stated that 90% of my builds are underpowered. ;)

A Pentium 4 3.4GHz with a Radeon X850 doesn't need 26A on the 12V rail.

An Athlon 64 3200+ with a pair of 6600GT's doesn't need 34A on the 12V rail.

Of course, more is certainly not a bad thing. ;)
Click to expand...
These recommendations are from nVidia & seem quit reasonable to me. ;)
 
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