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x570 Phantom Gaming X not posting

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ILLRobinson View Drop Down

Joined: 05 Sep 2023
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    Posted: 05 Sep 2023 at 2:00am

I'm building a system using the x570 Phantom Gaming X. I decided to breadboard the system before I do a full install into my case.

Specs for my build:
- X570 Phantom Gaming X
- Ryzen 7 5800X
- XFX Merc 319 RX 6800XT
- 4x G.Skill RIPJAWS 16GB DDR4
- Corsair AX1000

While just getting the core components in place (CPU, one stick of DDR mem, and the PSU), I fired it and its doesn't even light up. The only thing I see happening is a pulsing of the onboard LEDs (pulse every 10-15 secs?).

I tried shorting the pins for the power (with a screwdriver), as well as even hooking up the front panel connectors for my case, but still nothing.

I thought it might be the PSU, so I swapped it for another one, but the same thing happens.

Has anyone seen this behavior with an Asrock motherboard before? Not sure if I'm experiencing PSU issues or something further in (motherboard, CPU, etc.).

Thanks in advance for any thoughts!
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kerberos_20 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kerberos_20 Quote  Post ReplyReply Direct Link To This Post Posted: 06 Sep 2023 at 7:22am
mainboard led is tied to standby power, it has nothing to do with main power powering up PC
it just means that PSU is connected to mainboard and PSU switch is turned on

so something isnt connected properly

if you doin breadboarding...start with basics
remove CPU, keep just plugged fan to mainboard (3/4pin fan cable), so you can see if it starts spinning or not
insert just 24pin power connector and 8pin CPU connector
rest is unnecesary
ram, gpu, cpu not necesary
short power button switch, see if your single fan connected to mobo starts spinning

if fan doesnt spin, then theres just PSU and mainboard (and cables between PSU and mainboard)
so thats kinda easy to check which one needs replacement

if it starts spinning, power it off and add CPU and try powering it up
then repeat addin one item at a time until it breaks

Edited by kerberos_20 - 06 Sep 2023 at 7:25am
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