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new PSU + 4850 = slow boot

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tsekkdeez   11-11-2008 at 10:51:25 PM

hey guys
i have an hp a3108f3p power supply in my ibm thinkcentre m51 (8143).
i just bought a radeon hd4850 so i need to upgrade the power supply to 450 w or greater.
my chipset is intel 915g

a computer guy recommended the StarTech.com Silent ATX2POW450HS. it's $86 and i'm not too sure if it's the right one.

i measured the dimensions, and the maximum WxDxH appears to be ~6in x ~6in x ~4.5in

are there cheaper alternatives? how can i check to see if it will work with everything?

EDIT: see my post at the bottom. bought a new PSU and installed both PSU and 4850, and now it's very, very slow to boot. sometimes it boots but then when i shutdown and try again it stops at a blank screen after the logo.

cheers


Message edited by tsekkdeez on 11-13-2008 at 01:16:47 AM
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nirvana21   11-11-2008 at 11:02:59 PM
- 0 +

Don't skimp on your PS, its a primary piece of equipment required for your computer. StarTech is decent brand.

Look here for more options:
http://www.newegg.com/Store/SubCat [...] r-Supplies


Does your motherboard use a 20 or 24pin main connector? Make sure that the PS you buy has the size you need. Most come with a 20+4 adapter, but be sure.

The only requirements is that it would be ATX (matching your motherboard and case) assuming your parts are ATX.

Reply to nirvana21
tsekkdeez   11-11-2008 at 11:07:27 PM
- 0 +

how do i check if my motherboard and parts and case are ATX?

and my mobo has a 24pin main connector, it was the biggest one and i counted 24 holes in the connector :P

Reply to tsekkdeez
nirvana21   11-11-2008 at 11:09:10 PM
- 0 +

Most motherboards are ATX or mATX (ATX works with mATX), but do you know what model motherboard you have?

If not, it not a big deal, but just a typical way to be sure.

Reply to nirvana21
nirvana21   11-11-2008 at 11:17:18 PM
- 0 +

I would just assume a typical ATX PS is fine.

Reply to nirvana21
tsekkdeez   11-11-2008 at 11:30:46 PM
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hey, i installed hwinfo and all it says for motherboard model is IBM IBM.
motherboard chipset is intel 915g + ICH6
computer model is 8143vkn... and i don't know how to check manually, but i'd be happy to try

Reply to tsekkdeez
serpent1202   11-11-2008 at 11:39:10 PM
- 0 +

Get an Antec Earth Watts 650 and it will rock anything at the $70 price point

You can check Jonnyguru.com for reviews and you'll see how great it is.

http://www.newegg.com/Product/Prod [...] 6817371015

It's usually $100 PSU on sale for $30 off.

Reply to serpent1202
The_Blood_Raven   11-11-2008 at 11:39:11 PM
- 0 +

http://www.newegg.com/Product/Prod [...] 6817371015

A great power supply, it performs about exactly the same as the great Corsair 650TX 650w power supply. The only real difference is the Antec looks like crap and is MUCH cheaper, few people would care about a power supplies looks anyway and you would need a side window to see a difference.

Reply to The_Blood_Raven
The_Blood_Raven   11-11-2008 at 11:39:49 PM
- 0 +

Wow, serpent beat me to it by 1 second... lol. Also don't worry, the Antec Earthwatt 650w has been about that price for awhile and will be for awhile.


Message edited by The_Blood_Raven on 11-11-2008 at 11:40:50 PM
Reply to The_Blood_Raven
tsekkdeez   11-11-2008 at 11:48:42 PM
- 0 +

i'm looking for a good low cost 450w psu... how about this one
http://www.newegg.com/Product/Prod [...] 6817182075

i'm concerned about is compatibility.. the one above will fit into the case.. but how do i know if it will work with all the parts?

Reply to tsekkdeez
marcellis22   11-12-2008 at 12:02:22 AM
- 0 +

Good and low price aren't words you should be using about power supplies. The Antec 650 recommended is a GREAT buy, and a good foundation to replace the rest of your 4+ year old computer...

Reply to marcellis22
tsekkdeez   11-12-2008 at 10:52:13 PM
- 0 +

ok i went out and bought a 520W PSU for $75, and installed that and the radeon 4850. i installed the drivers, but now windows xp is taking AGES to boot up (it gets past the logo, shows the mouse on a black screen). when rebooting for the driver installation i got a BSOD, something about pci.. i forgot ><

maybe it's overheating? it runs really hot...

any ideas?

Reply to tsekkdeez
Wr   11-13-2008 at 11:42:43 PM
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Did you make sure to plug the 6-pin PCI-e power connector to the matching receptacle on the HD4850 card?

Reply to Wr
tsekkdeez   11-14-2008 at 01:28:56 AM
- 0 +

yeah... the PSU had two 6 pin PCI connectors so i just plugged one into the hd4850

Reply to tsekkdeez
tsekkdeez   11-14-2008 at 03:58:43 PM
- 0 +

and now CoD4 is really really laggy... 21-50 FPS and i said 'optimal system settings' :S

Reply to tsekkdeez
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