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GIGABYTE GA-H110-H
https://vlab.su/viewtopic.php?f=223&t=140108		 Страница 1 из 1
latinphoenix7 [ 06 фев 2024, 06:57 ]
Заголовок сообщения:  GIGABYTE GA-H110-H
hELLO EVERYONE!
GIGABYTE GA-H110-H REV. 1.0

Problem: Vcore =0V

Diagnostics
N_-PFMRST (PLTRST# PCH)---> LRESET# (I/O)= 0V

PCH_PWROK= 3.3V
SYS_PWROK= 3.3v
N_-CPURST= 1V
PCIE CLOCK A13 AND A14= 0.4V

T_TPMCLK (TPM)= CHANGEABLE/INCONSTANT = MUTIMETER SHOWS 1 -- 6v


PCH IS FRIED??
pEEp [ 06 фев 2024, 14:03 ]
Заголовок сообщения:  Re: GIGABYTE GA-H110-H
latinphoenix7 писал(а):
Problem: Vcore =0V

PWM ISL95858 ?

VTT_PWRGD (8) = ?
VR_RDY (11) = ?
V95858 (24) = ? + check R=2.2 Ohm (VCC 5v)
latinphoenix7 [ 07 фев 2024, 02:24 ]
Заголовок сообщения:  Re: GIGABYTE GA-H110-H
pEEp писал(а):
PWM ISL95858 ?

VTT_PWRGD (8) = ?
VR_RDY (11) = ?
V95858 (24) = ? + check R=2.2 Ohm (VCC 5v)


Yes, the PWM is ISL95858
VTT_PWRGD (8)= 3V
VR_RDY (11) = 3.3
V95858 (24) =5V (This voltage (5VDUAL comes from DAQ5)
ISL95858_VIN(44)=12V
95858_VDDP (32)=5V
SCLK (5)= 1V
SDA (7)= 1V
ALERT# (6)= 1V

ETC
ALL of PWM looks OK.

N_CPUPWROK= 1V
N_-CPURST= 0V I made a mistake on previous post

I was watching "the power sequence# for H110/B150 (6ta Gen) and I saw that N_-PFMRST (PLTRST# PCH) doesnt come out of PCH.
As you can see, Vcore (20) needs N_-PFMRST and CPURST# to come out


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