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**marco** · 23-08-2006, 08:30 AM

are the power supplies also in the recommended list of Tyan?
I first used an Enermax powersupply not listed by Tyan, and the system wouldn't boot at all, then I switched to the listed Antec True550 EPS power supply and everything was fine.

http://www.tyan.com/support/html/r_s2668.html
this list is for my S2668, but maybe these powersupplies will also work for your board...

Marco

**timmatron** · 23-08-2006, 08:38 AM

I have the Antec Truepower 2.0 550w EPS. It should work, but I spoke to a guy at Tyan, and he said there had been some reported problems with that model.

But I am also using a power supply that came with my 1U orbit micro case and basically the same thing is happening.

If it turns out none of the power supplies I have work, I will be pissed! But better to find the solution than none at all. I guess I'll order another ps and see what happens.

**dlparisi** · 23-08-2006, 08:41 AM

Are you getting any post beeps? They can give you a clue as to what the problem might be. Check your manual for the beep codes.

**timmatron** · 23-08-2006, 08:43 AM

I don't get any beeps unfortunately. The K8WE has an onboard LED but that is not showing me anything either.

**jujubee** · 23-08-2006, 09:46 AM

Not sure about those cases, but I'd imagine they have standoffs. Check to see if any of the pins are shorting the motherboard and remove them. They should only be on the holes.

Also make sure youve got ALL the additional power connectors on the board connected. There's usually two.

**timmatron** · 23-08-2006, 10:24 AM

Originally posted by jujubee

Also make sure youve got ALL the additional power connectors on the board connected. There's usually two.

JUJU, you are a HERO. And I officially feel like the biggest retard on earth. I wasn't connecting the additional 6 pin power to the motherboard. I wonder how long it would have taken me to realize that....probably a long long time.

Wow, thread closed.

**jujubee** · 23-08-2006, 11:19 AM

Heheh - you're welcome. I know that cause I've made the same mistake before. Glad you got it sorted out.

**DJ-Studd** · 23-08-2006, 05:47 PM

I've had issues with several Tyan K8SE and incompatability with Antec PSUs of all models that I tried.

Ended up using Silverstone brand PSUs.

-- DJ

**timmatron** · 23-08-2006, 08:23 PM

I'm amazed that power isn't just simple power. I don't know if it's just Tyan, but you'd think there would be a way to be more compatible with the majority of power supplies. RAM is one thing, but electricity should be more standardized?...

For the time being though, my Antec 550w power supply is doing fine with the K8WE. I haven't rendered anything on it yet, but so far so good. So far I have installed winxp 64, but thats it.

The guy at Tyan said the 400w supply might not be enough to power the other 1u rackmount I am putting together, but I think it will. He only said that because I told him I wasn't getting post. My Boxx computer with similar specs takes less than 250w during 100% rendering and that is with a quadro card and also powering an lcd monitor (i use an APC battery backup and it tells me the wattage use).

Assembling computers is fun. If I hadn't made such a stupid mistake with the power connectors, it would have been a piece of cake. There are advantages of ordering from companies like Boxx and Dell, but there are certainly advantages of building your own, especially if it's something you enjoy doing. Before Juju saved me I was having some major regrets, but now it's all good.

**jujubee** · 23-08-2006, 08:29 PM

A lot of recent power consumption has been going to the PCI-E graphics cards - I think most of them require a separate molex directly to them. If you're just using on-board graphics it should be fine.

**Da_elf** · 24-08-2006, 03:48 AM

im still getting a problem with my tyan motherboard where when i turn the system on i dont get a boot screen. i can hear the hard drives getting power. the mobo though seems messed u since even when i remove all ram it wont even beep.

**timmatron** · 24-08-2006, 07:16 AM

Originally posted by Da_elf

im still getting a problem with my tyan motherboard where when i turn the system on i dont get a boot screen. i can hear the hard drives getting power. the mobo though seems messed u since even when i remove all ram it wont even beep.

Do you have BOTH power cables attached to the motherboard?

Does your board have onboard video? If it does there is a jumper that either enables or disables it. You could check that I suppose. The other things the Tyan tech guy suggested was to switch out the processors if it is a dual system, using only one at a time. And only leave 1 stick of memory in the first slot. You shouldn't even need a HD to get the bios screen. All you should need is power to the board, and make sure the cpu fans are plugged in. That way it makes it a little easier to identify the problem.

**DJ-Studd** · 27-08-2006, 04:39 PM

Da_Elf, try a different brand of PSU. 95% chance it'll fix the problem - assuming the motherboard isn't dead in the first case.

Cheers.
-- DJ

**Dman3d** · 27-08-2006, 06:03 PM

I have a one of the Antec TruuPower TPII and am disappointed, my machine
shuts down when I try to burn CD's/DvD's, also it has to be routed
in a specific way or all the fans wont work. Ive been an Antec fan
(no pun intended) for a long time but this gives them a black eye.

this one:http://www.newegg.com/Product/Produc...82E16817103931

Probably go over kill and find a 1 gigawatt that should do it, lol.

Did some more reaseach and a few others have the same complaint
about that model being underpowered or a trouble maker, odd at 550W

gl

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