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Prestigio Cavaliere 141
8.6 Memory Test Error
Symptom:
Either on board or extend DDR RAM is failure or system hangs up.
Memory Test Error
1.If your system installed with expansion
DIMM module then check them for
proper
installation.
2.Make sure that your DIMM sockets are
OK.
3.Then try another known good DIMM
modules.
Test
OK?
No
If your system host bus clock running at
133MHZ then make sure that DIMM
module meet require of PC 133.
Test
Ok?
No
Yes
Replace the
faulty DRAM
module.
Yes
Replace the faulty
DDR RAM 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.
Replace
Motherboard
111
Technical Service Manual
Check
U7,U8,U9,U10
U511,U512,U513,U514
For any cold
solder?
No
Parts:
Signals:
WE#
U503
RP11
RAS#
U516
RP12
CAS#
U508
RP13
CS#0
U510
RP14
CS#1
J509
RP15
CS#2
RP4
RP16
CS#3
RP6
RP17
DQM[0:7]
RP7
DQS [0:7]
RP8
MD [0:63]
RP9
MA# [0:12]
RP10
Yes
Re-soldering
BS0
BS1
CKE0
CKE1
CKE2
CKE3
SMBCLK
SMBDATA
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