8170 N/B MAINTENANCE

8.6 Memory Test Error

Either one or two extend SO-DIMM RAM Module is failure or system hangs up.

Memory Test Error

1.If your system installed with expansion SO-DIMM module then check them for proper installation.

2.Make sure that your SO-DIMM sockets are OK.

3.Then try another known good SO-DIMM modules.

Test

Yes

OK?

 

No

 

If your system host bus clock running at 100MHZ then make sure that SO-DIMM module meet require of PC 100.

 

 

Replace

Replace the faulty

 

 

Motherboard

SDRAM module.

 

 

 

 

 

 

Board-level

Troubleshooting

One of the following components or signals on the motherboard may be defective ,Use an oscilloscope to check the signals or replace the parts one at A time and test after each replacement.

Parts:

Signals:

 

U3

RP7

MD [0:63]

-MSRASA

RP9

RP3

MDD [0:63]

CK[0:3]

RP14

J505

MA[0:14]

CKE[0:3]

J503

U17

MAA[0:14]

SDRAMCLK1

Q7

Q8

-DQMA[0:7]

SDRAMCLK2

Q15

R51

-MDQMA[0:7]

SDRAMCLK4

 

 

 

 

-CS[0:3]

SDRAMCLK5

 

 

-MCS[0:3]

SMBCLK

 

 

-SWEA

SMBDATA

 

 

-MSWEA

SMBDATA0

Test

Yes

Replace the faulty

Ok?

 

SDRAM module.

 

 

 

No

-SCASA

SMBDATA1

-MSCASA

DRAMENA

-SRASA

 

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