Dell 3542 4beeps

[didouche1200]

Motherboard cedar 13268-1 non display with 4 beeps

Flash bios and changed ddr3l but no think voltage ddr 1,3v OK but no diplay with 4 beeps

[Techtiger]

Re: Dell 3542 4beeps

You have to check DRAMRST

[didouche1200]

Re: Dell 3542 4beeps

dramrst ok 1.3v

[Techtiger]

Re: Dell 3542 4beeps

did you used a goog working DDR 3L ? now check in RAM slot pin
203
204
199
200
202
1
126

[didouche1200]

Re: Dell 3542 4beeps

203 0.68v
204 0.68v
199 3.3v
200 3.3v
202 3.3v
1 0.68v
126 0.68v

[Techtiger]

Re: Dell 3542 4beeps

203 0.68v
204 0.68v
199 3.3v
200 3.3v
202 3.3v
1 0.68v
126 0.68v

what voltage is mising on the coils ?

[didouche1200]

Re: Dell 3542 4beeps

Voltage in the coil 1.3v

[Techtiger]

Re: Dell 3542 4beeps

Voltage in the coil 1.3v

test the voltage on the rest of the coils CPU GFX ect

[mcplslg123]

Re: Dell 3542 4beeps

Hmm, varied experience on this unit with same fault. It was bios on 2 times(flashing clean me bios helped) and on 2-3 times it was SOC failure. Replacing SOC solved it. Everything in ram circuit seems to work but still 4 beeps.

[didouche1200]

Re: Dell 3542 4beeps

Replacing soc but all volatage goods

[Techtiger]

Re: Dell 3542 4beeps

Can you test voltage on SIO pin 126 127 128 3 update

[didouche1200]

Re: Dell 3542 4beeps

Sio pin 126 128 128 3.3v

[Techtiger]

Re: Dell 3542 4beeps

Sio pin 126 128 128 3.3v

And pin 3 of SIO what voltage ?

[didouche1200]

Re: Dell 3542 4beeps

Pin 3 Lpc frame 3.3v