8050D N/B Maintenance

8.5 Memory Test Error

Either on board or extend SDRAM is failure or system hangs up.

Memory Test Error

3.Then try another known good SO-DIMM

 

Document

Secret

Parts:

1.If your system installed with expansion

 

 

 

 

SO-DIMM module then check them for

 

 

Boa d-level

 

proper installation.

 

 

 

Troubleshooting

Check following parts and

2.Make sure that your SO-DIMM sockets

 

 

 

 

are OK.

 

MiTac

 

 

 

modules.

 

 

 

U714

 

 

 

 

 

Confidential

 

 

 

J711

 

 

 

 

 

 

 

 

 

 

J712

Test

Yes

Replace the faulty

 

 

U712

 

 

R979

 

 

 

OK?

 

SDRAM module.

 

 

R1040

 

 

 

 

Replace

R1030

No

 

 

 

Motherboard

R1031

 

 

 

R1011

 

 

 

 

 

If your system host bus clock

 

 

 

R1016

 

 

 

R948

running at 100MHZ then make No

 

 

 

Replace the faulty

 

 

R949

sure that SO-DIMM module

 

SDRAM module.

 

 

R950

meet require of DDR 333.

 

 

 

 

R955

 

 

 

 

R340

 

 

 

 

 

 

 

 

 

 

C337

C346

Yes

signals

Signals:

MD[0..63]

SMBCLK

SMBDATA

DQS[0..7]

DM[0..7]

MCB[0..7] MA0 MA3 MA[6..12] WE# CAS# RAS# BA[0,1] NB_DM8 NB_DQS8

CLK_DDR[0..5] CLK_DDR[0..5]#

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