Question about Asrock 775VM800 Motherboard

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Power supply I have just swapped computer cases and can not find the correct format to put the 8 pin connectors bak can you help many thanks paul

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Posted on Jan 16, 2009

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My motherboard G31M3-F V2 doesn't power on nothing powers on enven the fans but the power supply seems fine what could be the problem


Best thing I can recommend is check your connections. Are all the power supply connectors plugged in? Your P1 connector, your 4-pin (or 6/8-pin) connector for your CPU?

Can you bypass the switch on your case and jump the power button pins on your motherboard to get it to power up?

Grounding could also be an issue.

What about your graphics card? Has it got the power it needs? Try the onboard or booting without it.

Hope this helps!

Mar 11, 2016 | Computers & Internet

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

SuperMicro H8QG6-F Continous Beep


http://www.supermicro.com/Aplus/motherboard/Opteron6000/SR56x0/H8QG6-F.cfm

Under the Link and Resources heading, in the blue banner to the right, click on - Motherboard Manual

Page 32 of the PDF file. Page 2-10 for the manuals actual page,

2-7 Connector definitions:
Power Connectors

"A 24-pin main power supply connector (JWP1), and three 8-pin CPU PWR connectors (JWP2 / JWP3 /JWP4) on the motherboard.
These power connectors meet the SSI EPS 12V (Volt) specification.

In addition to the 24-pin ATX power connector, the 12V 8-pin CPU connectors at JWP2 / JWP3 / JWP4, MUST be connected to your power supply.

Warning: To prevent damage to the power supply or motherboard, please use a power supply that contains a 24-pin and three 8-pin
power connectors.

Be sure to connect these connectors to the 24-pin (JPW1) and the three 8-pin (JPW2,JPW3 and JPW4) power connectors on the motherboard.

Failure in doing so will void the manufacturer warranty on your power supply and motherboard."

So there you have it.

YES.

These,

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


NOT these,

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

For additional questions please post in a Comment.

Regards,
joecoolvette

Sep 02, 2012 | Super Micro Computer SUPERMICRO H8QG6-F

1 Answer

Gateway dx4822-01 power supply


Gateway DX4822 Desktop PC,

http://support.gateway.com/us/en/product/default.aspx?tab=1&modelId=2291

Just a regular Ol' ATX power supply. Rated at a maximum wattage rating of 300 to 525 Watts. Two different power supply options offered.

Power Supply case size is;
6 Inches Wide, by 5-1/2 Inches Long, by 3-1/4 Inches Tall. (152.4mm Wide, by 139.7mm Long, by 82.55mm Tall )

Has the following power cables;

A) 1 -> 24-pin ATX main power cable,

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

[ NOTE* Color of connector on power cable, OR motherboard, does NOT matter.

Proper connector, proper power cable, DOES matter; connector color does not matter ]

B) 1 -> 4-pin ATX +12 Volt power cable,

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

{ Power to the motherboard, and all components connected to it }

C) 2 or more -> SATA power cables,

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

{ Power to a SATA harddrive, and/or power to SATA optical drive/s.
(CD/DVD drive) Or power for an upgrade in the future, for a SATA optical drive }

D) 3 or more -> Standard 4-pin Peripheral power cables,

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

{ Power for an IDE (PATA) harddrive, or drives. Also power for IDE (PATA) optical drive/s. Plus power in some instances, for computer case fans }

E) Two or more Small 4-pin Peripheral power cables,

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

{ Listed as a Floppy Drive power cable. Back in the day when the article was written, such was true.
It can still be used for a Floppy Drive, but is more used now as a power cable for a;
1) Card Reader.
2) Computer case fans (IF needed }

It's name is Small 4-pin Peripheral power cable. It is smaller than it's larger cousin, the Standard 4-pin Peripheral power cable.

Also has smaller gauge of wiring. This means it cannot carry the same amperage, as the standard 4-pin Peripheral power cable.

I would recommend this,

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=899124&CatId=1483

A) 1 -> 20 + 4-pin ATX main power cable.
Can be used as a 20-pin ATX main power cable, or a 24-pin ATX main power cable, which is what you need.

B) 1 -> 4-pin ATX +12 Volt power cable.

C) 6 -> SATA power cables

D) 4 -> Standard 4-pin Peripheral power cables

E) 1 -> Small 4-pin Peripheral power cables

F) 1 -> 6-pin PCI Express power cable

G) 1 -> 6/8-pin PCI Express power cable.

In the future, (Or now if you have one), you can upgrade to a better graphics card, that needs an additional power cable, IF you wish.
The 6-pin PCI Express power cable.

You also have a 6-pin or 8-pin PCI Express power cable.
(6/8-pin PCI Express power cable)

All the pins can be used together, and make an 8-pin PCI Express power cable, for a very powerful graphics card that requires this cable.

Just added bonuses with today's modern power supply's.

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

Jul 04, 2012 | Gateway DX4822-01 Power Supply 575 Watt...

2 Answers

Hi the front fan connection has come off on my asus p5vd2-x motherboard and I'm not sure if it should be connected to the cha fan connector or the pwr fan connector? and both those sockets on my...


According to the manual your Motherboard supports two case fans. You can use either of these pins setups. For your motherboard you have three pins with the third pin ( CLOSEST TO THE CPU) controlling the rotation of the fan. For your two pin fan put the black ( ground ) wire of the two wires on the pin FARTHEST from the CPU.
Note: Manual says the fans should be a max of 350 Ma.

For more information see your manual or look here for a on-line manual.

http://www.manualnguide.com/dl/9354/

Good Luck

Jan 07, 2010 | Computers & Internet

1 Answer

I have an E210882 Intel based motherboard that I got when I purchased a Gateway computer a while back. I had to swap out the case (custom power supplies Gateway used), but I failed to set the jumpers on my...


If your board has built in sound, the jumpers would be the same no matter what case you put the board in. The wires you pulled off the case are for the LED lights and the computer speaker not the sound.

Aug 14, 2009 | Gateway Computers & Internet

1 Answer

E210882 socket type 775, PCIe, DDR2 - Will not turn on


Hi,
On the Dell board, the
CORRECT pinout for J8H1 is as follows:

1-3: HD LED (#1 is +)
2-4: PWR LED (#2 is +)
5-7: PWR ON/OFF
6-8: RESET
5,16: +5V
10,11,14,15: not connected
12,13: GND


Regards.

Jul 27, 2009 | Dell (E210882) Motherboard

1 Answer

My motherboard can't turn on and me had changed power supply with new one.Can you help me how to check power on motherboard.Thank you. I bought a new case for my ATX motherboard. I installed the power...


the chances are that the power supply is not enough for the motherboard. or the main power connector has only 20 pins. the newer version of motherboards requier 24 pin power connector.

Mar 24, 2009 | Computers & Internet

1 Answer

Swapped mother board


Hi Paul,
see page 8 number 15 for location. Than see page 19, System Panel Header in your manual.
The basic wire color's for positive are red, blue, green & can also be light blue, light green, light red.
Negative wires are usually white or black. Case wire colors do vary from case to case.
To see pin one shown on page 19, (positive + for hard drive led = HDLED+). Bottom row farthest pin to the left of set. Pin two is above pin one. Pin two is, PLED+ (known as power led). Pin 3 is to the right of pin one & is HDLED- (Hard drive led, negative). Pin 4 is above pin 3 & is also PLED-, (Negative for power led). ECT!
6781222.jpg If your new case has an internal speaker (Used for P.O.S.T, power on self test). This would connect to, Chassis Speaker Header located on page 8, number 16. Again, normally only two wires are used across the 4-pin connector. (One at each end of the connector).

To see ASRock's main site for the 775VM800 motherboard click this link:
http://www.asrock.com/mb/overview.asp?Model=775VM800&s=

Good luck Paul!
Run into a snag, just post the issue here.

Mike

Nov 02, 2008 | Asrock 775VM800 Motherboard

1 Answer

Powering up


You need to remove the cap from 8-pin EATX12V connector and connect 8-pin EPC +12V power plug from your P/S, otherwise it will not work. Your power supply should support 8-pin EATX12V. If you P/S comes with 4-pin connector only you just use your 4-pin open spot and leave the cap on.

May 22, 2008 | ASUS P5K Deluxe/WiFi-AP, iP35, S 775,...

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