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Don't be lazy, go to motherboard page and you have there list of CPUs supported and the minimum bios version required to work with that CPU:

 

https://www.gigabyte.com/Motherboard/B450M-DS3H-rev-10/support#support-cpu

 

As you can see, yes, they're supported with F1 or newer :

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The cpu doesn't use so much power to require a 8 pin EPS connector, it will work just fine with only the 4 pin connector.

The cpu doesn't have integrated graphics, so you need a video card to get it working - don't connect the monitor to the video ports on the motherboard.

 

Also, if you have vga monitor and you also bought a new video card, dvi-vga passive adapters won't work, modern video cards no longer produce the vga signal.

 

place motherboard on the cardboard  box it came with (without anything under it), install cpu, cooler, a stick of ram, insert a video card , connect the power supply connectors into mb. If needed connect pci-e 6/8 pin to video card.

Use a flathead screwdriver to power the motherboard - short the two pins in the front panel header for about a second.

If it works, you can move everything in the case. If not, start checking things.

 

does the motherboard have some standby leds that light up when a power supply is connected even if the pc is off?

When you push the power button, do some leds light up, do they change colors? If so , see manual and check if those colors are some code pointing out to what's wrong.

Maybe memory stick is not inserted completely, or motherboard wants to plug memory in a specific slot, for example.

Often system can't start because you didn't put the front panel correctly - testing the mb+cpu+ram+video outside the case helps with that.

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6 minutes ago, mariushm said:

so you need a video card to get it working - don't connect the monitor to the video ports on the motherboard.

 so i really need a gpu for it to boot up 
also am fro the Trinidad and Tobago and not easy getting a gpu here 

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any video card that plugs in a pci-e slot will work.

For sure you must have some craiglist / ebay type of sites specialized for your region/country or general area , or some local newspaper with ads, or some used computer stores, just go around and find a video card.

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2 minutes ago, mariushm said:

For sure you must have some craiglist / ebay type of sites specialized for your region/country or general area , or some local newspaper with ads, or some used computer stores, just go around and find a video card.

i can use ebay  but it will take time to get here also computers stores here  have very old gpu with vga connectors in them 

 

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21 minutes ago, mariushm said:

-snip-

The computer will not post without the 8pin EPS power supplied to the board. It doesn't matter how power hungry the chip is or isn't

Current Network Layout:

Current Build Log/PC:

Storage Server Setup:

 

Prior Build Log/PC:

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7 minutes ago, Natureninja said:

 so i can use a 8 pin adapter for the borad 

 

You'll need to, yes, since the board only has an 8-pin EPS slot

Current Network Layout:

Current Build Log/PC:

Storage Server Setup:

 

Prior Build Log/PC:

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2 minutes ago, Lurick said:

You'll need to, yes, since the board only has an 8-pin EPS slot

also one more thing am using a hdmi to vga adapter for my monitor will that work as well  or i nee to put it on my tv to get a post 

 

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Just now, Natureninja said:

also one more thing am using a hdmi to vga adapter for my monitor will that work as well  or i nee to put it on my tv to get a post 

 

Tough to say since VGA to HDMI adapters can be a nightmare at times. I would cut out the adapter if possible to make sure things get setup properly then add in the adapter after.

Current Network Layout:

Current Build Log/PC:

Storage Server Setup:

 

Prior Build Log/PC:

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1 minute ago, Lurick said:

Tough to say since VGA to HDMI adapters can be a nightmare at times. I would cut out the adapter if possible to make sure things get setup properly then add in the adapter after.

great i will try that to see it work 

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The motherboard will start with just half of the EPS connector in it. With the 2x2 or 4 pin CPU power.

So it will function with just 4 pin connector, as long as you also have a video card installed.

see : https://community.amd.com/thread/240476

Quote

Thanks for the manual.

 

But, in fact, the PC turned on and it is working.

Majority of motherboards will function with just 4 pin connector.

 

Each pair of 12v + GND wires in the 4pin connector can carry 9A of current - you have 2 pairs in the 4pin CPU connector, so you can give 12v x 2 x 9 = 216w of power to the CPU.

The Ryzen 2600 consumes up to around 100-120 watts.

 

You can see in the picture below a complete system consumed 142w under Blender benchmark (where CPU is used to maximum and everything else idles, consuming very little power) - you can assume mb, ram, video card consumed less than 25w :

 

image.png.4ab871ec37b65dce25b680dde31da8b0.png

Even if you're getting close to 150w for the CPU alone, you still have a lot of margin up to 200w+ that the connector can safely handle.

 

If you overclock, that's another story. When overclocked to 4.2 Ghz, the CPU used up to around 160-180w and you're getting super close to the maximum power limit of the 4 pin connector (around 215w), so you should really use an 8 pin connector.

 

 

 

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12 minutes ago, mariushm said:

So it will function with just 4 pin connector, as long as you also have a video card installed

i will try it an get back to you guys on this 
its my frist time building a pc so i waited almost a year to build it 

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