Gigabyte GA-B150M-HD3 DDR3 rev.POWER SEQUENCE Schematics

B150M-HD3 DDR3 R1.0

Power Sequence

JEFF.KO

1

B150M-HD3 DDR3 Power Sequence

24MHz

Rev 1.0

13.

MA_EN

12.

VR_RDY

SYS_PWROK

Output Clock

15.

PCH_PWROK

16.

THB_C
DDRVTT_BOOT

VCC1_0_PCH
THB_C

ITE_PWROK

11.

B150

5.

8.

O_PWRBTSW

10.

6.

ITE

IT8628E

VIN

N_PCH_DPWROK

O_-RSMRST

18.

-PFMRST

21.

4.

-PWRBTSW

PWOK

9.

-PSON

4.

14.

3VDUAL_PCH

CIRCUIT

3VDUAL

RTL8111G

M.2A

SATA EXPRESSA1,A2

7.

3.

FET

3.

FET

ASM1083

PCIEX1_1,2

TPM

POWER

BUTTON

ATX

POWER

1.CPU : VCORE,VCCGT,VCCSA,VCCIO,VDDQ,VCCST_VCCPLL

2.B150 :

VCC1_0_PCH,VCC1_0_PCH_DSW,VCC3_PCH ,3VDUAL_PCH,VC
C3,N_RTCVDD

3. IT8628 : IT_VCCH,IT_AVCC,2_5LEVEL

4. DDR 3 : VDDQ,DDRVTT,VDDSPD(VCC3)

-BPCIRST

PCIEX16,4

MAIN POWER

SYSTEM VOLTAGE

2.

5VDUAL

PCI1,2

FET

1.

5VSB

10.

ISL95858

ISL6625

After the start-up sequence, the controller regulates the output voltage to the value set by the VID

After the start up VBOOT voltage ok

Dept : #41B研發服務部 By: Engineering

20.

VCORE , VCCGT

CPU_VCCST_PWOK

17.

N_CPUPWROK

19.

N_-CPURST

LGA1151

2