MiTAC 8050QMA Manuel de service télécharger pdf (Page 121)

120

50QMA

N/B Maintenance

8.5 Memory Test Error-2

Extend DDRAM is failure or system hangs up.

R243,R263….

+0.9VS

SMBDATA

SMBCLK

J713

DDR SODIMM

+DDR2_VREF

R606

+1.8V

R242

C304

0.1µ

C604

2.2µ

C295

2.2µ

S[A..B]_DQS#[0..7], S[A..B]_DQS[0..7]

S[A..B]_A[0..13], CKE#[0..3], CS#[0..3], ODT[0..3]

S[A..B]_BS#[0..2], S[A..B]_CAS#, S[A..B]_RAS#, S[A..B]_WE#

S[A..B]_DM[0..7], S[A..B]_DQ[0..63]

NB_CLK_DDR[0,1,3,4], NB_CLK_DDR[0,1,3,4]#

Clock

Generator

ICS954226

SMBDATA

SMBCLK

R692

10K

R691

10K

+3VS

SA_DQS#[0..7], SA_DQS[0..7]

SA_MA[0..13], CKE#[0..1], CS#[0..1], ODT[0..1]

SA_BS#[0..2], SA_CAS#, SA_RAS#, SA_WE#

SA_DM[0..7], SA_DQ[0..63]

NB_CLK_DDR[0,1], NB_CLK_DDR[0,1]#

J714

DDR SODIMM

SB_DQS#[0..7], SB_DQS[0..7]

SB_MA[0..13], CKE#[2..3], CS#[2..3], ODT[2..3]

SB_BS#[0..2], SB_CAS#, SB_RAS#, SB_WE#

SB_DM[0..7], SB_DQ[0..63]

NB_CLK_DDR[3,4], NB_CLK_DDR[3,4]#

C285

0.1µ

U710

North Bridge

915PM

GMCH

P4 P7

SMBDATA

SMBCLK

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MiTAC 8050QMA Manuel de service Page 121

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