Question about PC Chips MB PCCHIPS SiS746FX M848A V5.0 462 Motherboard

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Cant get Motherboard to boot

I bpought a PCChip M848 V5.0 Socket 462 ATX M/B. As well as a new power supply I believe 320 Watts. I set up all the attachment internals: HD, FDD IDE AGP ATI Video Card with CD/ DVD one mastered and ther slaved. I cant get past CMOS. It shuts the video part out completely. I took all of the internals out with the exception of just the HD to eliminate and other device causing the problem. This is the second MB of the same brand. Ive done everything the book ask you to do like clearing CMOS and seting the Optimal settings but this still doesn't solve the problem. I have change the Vidoe card from agp to PCI as well as the Video just to see if the last two would be the problem but to no avail. Any Answers for this mess?

John

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  • Johnnygee1 Mar 15, 2008

    The Power Supply is 350w And I am using the AMD Sempron Processor.

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Change your harddisk and try .

Posted on Mar 23, 2008

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Hello here is the homepage:

http://www.asus.com/Motherboard/M3NHDHDMI/#support_Download

Your power supply is probably failing, or to small for the system.

Are all drivers and the bios upgraded ???

If you are useing the onboard graphic, try to add a better graphic card on the mainboard for better performance.

I suggest you to buy a 500 watts power supply, or bigger depending on the systems specs.

Good luck

Feb 13, 2013 | Nvidia Asus M3n-hd/hdmi Nforce 750a Sli...

1 Answer

New GA-990AX-UD3 motherboard will not boot


You really should take that Power Supply, and use it on grandma's computer.

The 8-pin EPS +12 Volt power cable was brought out, to provide more power To the motherboard AND processor.

http://www.playtool.com/pages/psuconnectors/connectors.html#eps8

The 4-pin ATX +12 Volt power cable has TWO yellow wires.
Yellow wires are 12 Volt wires. (And two Black ground wires)

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

The 8-pin EPS +12 Volt power cable has FOUR 12 Volt wires.

In the motherboard manual, does it say, "Yes Tom. Go ahead and use a 4-pin ATX +12 Volt power cable. We don't care. We just use an 8-pin EPS for fun."

[ This is an 8-pin PCI Express power cable. Completely different,

http://www.playtool.com/pages/psuconnectors/connectors.html#pciexpress8 ]

The motherboard probably uses 150 Watts by itself.
No Ram Memory, no CPU, no fans, etc.

The CPU could use up to 125 Watts of power. Just depends on what AMD, socket AM3, processor you are using.

Now to graphics card's power;
The most Wattage a PCI-Express x16 slot can deliver is 75 Watts.

The most power a 6-pin PCI Express power cable can deliver is 75 Watts.
8-pin EPS +12 Volt power cable? 150 Watts.

When buying a Power Supply you should calculate all components needing power,

http://extreme.outervision.com/psucalculatorlite.jsp

,then buy a Power Supply that has AT LEAST 10 percent more power than needed. Easier on the Power Supply.
Also a computer will NOT use more power than it needs.

10,000 Watt power supply, (Exaggeration ), and the computer only needs about 100 Watts for surfing the internet?

Computer ONLY uses 100 Watts.

Due to the price, the above, and the availability, you should use a 500 Watt power supply at least.

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=899123&CatId=1079

http://www.amazon.com/StarTech-6in-Pin-Power-Adapter/dp/B002O21XHQ

Or use it on yours if it has enough Wattage.

Back in the day, the motherboard didn't need to supply that much power to components on it.
More powerful Processors, Ram Memory, and graphics cards, brought the power needed, up.

A 4-pin ATX +12 Volt power cable was added for the motherboard. Then 6-pin PCI Express power cable for graphics cards. Then the 8-pin PCI Express power cable for graphics cards. Lastly the 8-pin EPS +12 Volt power cable.

(Better make sure the Power Supply you have is good, if you wish to use the above power adapter cable. Nothing like having a Power Supply with a weak voltage power rail, and a new build, to pull your hair out on )

http://www.gigabyte.com/products/product-page.aspx?pid=3894#ov


Out of the motherboard manual Page 23,

"With the use of the power connector, the power supply can supply enough stable power to all the components on the motherboard. Before connecting the power connector, first make sure the power supply is turned off and all devices are properly installed. The power connector possesses a foolproof design.

Connect the power supply cable to the power connector in the correct orientation. The 12V power connector mainly supplies power to the CPU. If the 12V power connector is not connected, the computer will not start.

To meet expansion requirements, it is recommended that a power supply that can withstand high power consumption be used (500W or greater). If a power supply is used that does not provide the required power, the result can lead to an unstable or unbootable system."

For additional questions please post in a Comment.

Regards,
joecoolvette

Oct 25, 2012 | Gigabyte Technology GA-990FXA-UD3-...

1 Answer

Hi Hope you can help my mother board is K8M890-M2MB-RS2H Processor a Main Circuit Board b 2.20 gigahertz AMD Athlon 64 X2 Dual Core Windows 7 Ultimate (build 7600) I am looking to upgrade...


As long as it is an ATX compatible power supply increasing the available wattage is not an issue, only meeting MIMIMUM power requirements
You can go to a 500, or even a 750 as long as it has the correct motherboard connections

Aug 03, 2011 | Foxconn WinFast K7S741MG Motherboard for...

1 Answer

My motherboard is getting power from a 450w smps coz the board LED gets on when I switch on the ups. But pressing the power button on the cabinet does not switch on the system. Please help!!!!


From your diagnoses you may have a bad Power On switch, or a bad Power Supply.

Reasoning?

An ATX power on switch is connected to the motherboard's Front Panel header.
From there the circuit is continued through the ATX main power cable, and into the Power Supply.

The Power On switch connects the Soft Power On wire, to Ground.
(The Soft Power On wire is abbreviated as PS_ON. The wire is Green)


If the Power On switch is bad the Power Supply will not turn on.


A bad Power Supply will have a weak voltage power rail, (Or more than one)
Enough power to light LED lights, and perhaps spin fans, but not enough power to turn the Processor on.
No Processor operating, no computer.

1) If all of the LED lights were on at once, they would use less than 1 Watt of power.

2) EACH fan uses 2 to 3 Watts.

3) A typical Processor can use from 51 to 125 Watts. Depends on what Processor it is.
(Older Intel Pentium III's, and comparative AMD processors used less than 51 Watts)

You may have enough power to light that LED light, but not enough to spin fans, or turn the Processor on.


There is a simple test to see if the problem is the Power On switch, or the Power Supply.
Bypass the Power On switch.

A jumper wire is used to temporarily connect the Soft Power On wire to ANY Ground wire.
The connection is made at the Back of the ATX main power cable's connector, with the ATX main power cable plugged into the motherboard, and computer plugged into power.

1) The Asus M2N-MX (And SE version) motherboard uses a 24-pin ATX main power cable.

http://www.asus.com/Motherboards/AMD_AM2/M2NMX_SE_Plus/

This is one example of a 24-pin ATX main power cable, and it's respective connector on the motherboard,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24

Looking at the photo to the far right, shows the 24-pin ATX main power cable plugged into the motherboard.
This is the position for the test.
(Computer also plugged into power)

The BACK of the connector is where the wires go into the connector.
The jumper wire is used on the Back side of the connector.

One end of the jumper wire goes down into the socket hole with the Green wire.
(Soft Power On wire)
The other end of the jumper wire goes down into ANY socket hole with a Black wire in it.
ALL Black wires are Ground wires.

The jumper wire goes down into the socket hole RIGHT NEXT TO the existing wire.
The jumper wire MUST go down into the socket hole far enough to touch a metal terminal.

At the end of every wire going down into the ATX main power cable's connector, is a metal terminal.
The metal terminal is pretty far down in the socket hole.

The preferred jumper wire used is a paper clip.
The paper clip's diameter is small enough, to go right next to the existing wire in the socket hole, and touch the metal terminal.

The paper clip is straightened out, then bent into a U-shape.
The 'legs' of the U-shape go down into the two socket holes.
The middle is wrapped with a few wraps of black plastic electrical tape.
The taped area is for your finger, and thumb to hold onto.

The voltage is 5 Volts DC.
Two D cell flashlight batteries produce 3 Volts DC.
There may be a small spark when you make the connection, advising you in advance.

The connection made is no longer than 2 seconds.
(The Power On switch is a Momentary Contact Switch)

Computer comes on, (Power Supply actually) you know you have a bad Power On switch.
Computer does Not come on, you know you have a bad Power Supply.

For additional questions please post in a Comment.
Regards,
joecoolvette

Jul 10, 2011 | ASUS M2N-MX Motherboard

2 Answers

What is the power supply of elite group p4m800-m?


you can use ATX version of this motherboard. 450W is prefer.

Feb 04, 2011 | EliteGroup ECS P4M800-M Socket...

2 Answers

What power supply to use for an ASUS p40S800-s motherboard with an Intel 848p processor, one HD, separate video board etc.


Any modern ATX form factor power supply should do the trick. If you are buying new, ask the vendor. If buying used, make sure the power supply has at least 350+ watts and has the 24pin ATX connector that directly powers the motherboard.

Dec 29, 2009 | ASUS P4S8X Motherboard

1 Answer

Fic k7mnf-64 motherboard socket 462 amd 3000+ When I plug the computer in all that happens is a red light on the board comes on and a buzzer goes off.


Power is not going to the board. Check the power supply cables going to the board; most use a big 20 pin connector & a 2nd 4 pin connector. Make sure both are plugged into the proper spots then retry boot. Should see a green light on motherboard if power is properly set up. Hope this helps.

Dec 18, 2008 | FIC K7MNF-64 nVidia nForce 2 Socket A mATX...

1 Answer

My first PC build....gone horribly wrong =(


Hi,

Please CLICK HERE for more info on your power supply.
My guess is that your power supply is dead. If the fan doesn't spin it may be that the fan died first and the PSU overheated.
Now, if you are fortunate nothing else got damaged. You can remove the PSU (the mounting screws are on the back of the case, there should be four) and buy a new one at your friendly local computer parts store. Get one rated for at least as much power as the old one. We can give you a hand on this if you tell us what the lable on the side of the PSU says.
I should caution you that there is a chance that when the PSU went it damaged other parts of your system.

Goodluck..

May 06, 2008 | VIA ASRock K7VM3 Socket A/...

1 Answer

Just Bought The Mach 4 tried to test it with current power supply


Hi, one quick thing you can check is to see if the cable running from the power switch is plugged onto the right pins on the motherboard, it will most likerly say (pwr btn) next to the pins or something like that, it may also need to be a certain way round.Let me know what the outcome is if no good we can try something else. hope this has helped. Thanks

Onlinepc-Fix
lee

Mar 18, 2008 | Pine Technology Mach 4 KT400ANB...

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