12-03-2003 09:05									#31
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quote: Originally posted by Urban Ranger Okay, I think the power supply is toast.

the power supply works when i plug it into the OLD motherboard.

	12-03-2003 09:11									#32
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you are toast then... get some sleep and try again

	12-03-2003 09:13									#33
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sleep. bah!

i'm gonna test the mobo with the power supply from the machine i'm on now.

when that fails (not if, when) i'll shower and sleep.

i reek of silicon.

	12-03-2003 09:14									#34
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UR
An ATX Power Supply does not "turn on" if you apply AC voltage. Yo must also "Short" the power on switch before it will start.

	12-03-2003 09:18									#35
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Uber

I was not following your upgrade thread. What CPU was your old one and what CPU is your new one?

	12-03-2003 09:19									#36
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quote: Originally posted by Promethus UR An ATX Power Supply does not "turn on" if you apply AC voltage. Yo must also "Short" the power on switch before it will start.

That's what I suggested

	12-03-2003 09:21									#37
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quote: Originally posted by Promethus Uber I was not following your upgrade thread. What CPU was your old one and what CPU is your new one?

the old machine was a pentium 133. old school.

i threw a new board / cpu / ram in there, doesn't turn on.

you're cought up.

	12-03-2003 09:32									#38
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What processor?

btw, triple check the power jumper on the mbd that you plugged the power switch into. Sometimes manuals are printed incorrectly. Check the web site.

I take it the case is not new. If it were, I would suggest trying a different power switch. They are sometimes broken.

Last ditch, disconnect all the other front panel connectors from the mbd, except the triple checked power switch. Sometimes one of the other switches and or LEDs are defective and ground the system out.

	12-03-2003 09:33									#39
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Uber

Did you put in a Pentimun 4 CPU?

	12-03-2003 09:36									#40
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Yes, a P4 mbd will have an extra power connector. An older power supply will lack that connector, although you can get adapters for them.

No fans spinning would not be the first thing I suspected though. But it has been a while since I built one myself.

	12-03-2003 09:41									#41
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quote: Originally posted by notyoueither Yes, a P4 mbd will have an extra power connector. An older power supply will lack that connector, although you can get adapters for them. No fans spinning would not be the first thing I suspected though. But it has been a while since I built one myself.

you mean this?

indeed, i have nothing to plug into there.

	12-03-2003 09:43									#42
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quote: Originally posted by UberKruX you mean this?

Yup. That would be it.

	12-03-2003 09:45									#43
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fawk. that would explain everything.

i hope these adapters are cheap / effective?

i shouldnt have to buy a new power supply, right?

	12-03-2003 09:48									#44
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The adapter may be hard to find. A new P4 power supply would not be too expensive, and much easier to find. However, you could use the yellow pages tomorrow AM to try some of the shops in your area. You might get lucky.

I could mail you one. I think I've got several, somewhere. I'm sure of it, I had to grab one a couple weeks ago for someone and there were a bunch there.

	12-03-2003 09:50									#45
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thanks NYE.

tomorrow i'll stop by compusa, look for the adaptor, and consider buying a power supply.

if i come home empty handed, i'll work something out with you for one of those adaptors.

thanks again everyone

	12-03-2003 09:56									#46
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compusa is less likely to have one than some of the smaller shops, but maybe. Especially if the smaller shop has a pack rat around.

The reason I have some is a supplier sent us a bunch of cases with power supplies sans P4 connector and had to send the adaptors. Many of the cases were used for Athlons and did not need the connector. And then, I'm a pack rat.

It shouldn't cost more than a couple bucks. It is 2 pieces of plastic with 4 wires. If you need one, just PM me a mailing address.

	12-03-2003 09:58									#47
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Uber

Buy a new Power Supply. Older Power Supplies were big on 3.3 V and 5 V but did do not supply enough 12V to run a P4 system and all the cooling needed. Don't cheap out on the PS or you will be a sorry puppy.

	12-03-2003 10:01									#48
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ack, i forgot, i have a dentist's appointment tomorrow morning. yay route canal

wonder how up for shopping i'll feel after that.

anyway, the major issue is that i'm going back to college on sunday, and i'd like to get the box running as soon as possible.

how long does it take for mail to get from (i froget where in Canada you are) to Long Island, NY?

i'll be around for like 10 more minutes, gonna pass out soon

	12-03-2003 10:03									#49
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I bought a new power supply recently, and was wondering what that extra power cable plugged into.
Now I know.

	12-03-2003 10:03									#50
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quote: Originally posted by Promethus Uber Buy a new Power Supply. Older Power Supplies were big on 3.3 V and 5 V but did do not supply enough 12V to run a P4 system and all the cooling needed. Don't cheap out on the PS or you will be a sorry puppy.

hrm. a seemingly valid point.

being that i am a novice on power supplies, i shall heed this warning. NYE, care to comment on this?

	12-03-2003 10:04									#51
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That's a good point. I assumed most non P4 300W would be suitable for an Athlon, and hense for a P4. There are some very rare antiques unsuitable for either. What are the specs of your ps?

They should be printed on a label.

	12-03-2003 10:07									#52
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relevent numbers on the ps:

300W

switching power supply
115V 60Hz
230V 50Hz

	12-03-2003 10:16									#53
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i'm going to sleep now.

thanks again all

	12-03-2003 10:19									#54
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There are more.

+12
+5
+3.3
-12
-5
5vsb

and such. They should all be in a line on the manufacturers label.

	12-03-2003 10:45									#55
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Urber

There are more.

+12 VDC This Is the Main power for P4 & AMD CPU's & MoBo's. + all of your drives motors (i.e. Hard Drives, CDROM, DVD) & Cooling Fans. Add up the watts to make shure you have enough.
+5 VDC Some MoBo but mostley for drives.
+3 AGP video for the most part
-12 ISA Only
-5 ISA Only
5vsb Not counted in overall rating, only used when PS is in "Sleep Mode".

	12-03-2003 23:56									#56
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i bought a new powersupply this morning with the correct plugs.

now, when everything is hooked up and i push power, the power supply fan spins a little, and stops.

what now?


edit: this is just the mobo / power connectors, no chips / ram / parts in.

	13-03-2003 00:19									#57
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Sometimes motherboards don't like it unless you have all the components plugged in.

	13-03-2003 04:33									#58
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Alright, whats the bare necessities to get it to run then?

i dont want to spend another 2 hours setting it up to another failure

	13-03-2003 05:52									#59
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MBd, CPU, RAM, video and power supply.

	13-03-2003 06:19									#60
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A Keyboard is also nice so that you can enter the BIOS and check the Power Supply voltage readings.

Last edited by Promethus on 13-03-2003 at 06:34