MiTAC 7521 PLUS/N - Manual (Page 123)

122
7521 7521 Plus / N N/B MAINTENANCE Plus / N N/B MAINTENANCE
8.8 HARD DRIVE TEST ERROR
Either an error message is shown , or the driver motor continues spinning ,
while reading data is from or writing data is to hard drive.
HARD DRIVE TEST ERROR.
Replace mother BD
or into board-level
Troubleshooting.
Board-level
Troubleshooting for
hard drive test error.
Check the following parts for cold solder or one of the following
parts on the mother-board may be defective, use an oscilloscope
to check the following signal or replace the parts one at a time and
test after each replacement.
Re-boot
OK?
Correct it
then end.
YES
NO
Check if HDD’s cable installed to
HDD and system properly (J516)
Re-boot
OK?
Replace the
faulty parts
then end.
YES
NO
1. Try another known good HDD.
2. Try another known good HDD’s
Transulation cable.
Parts:
U24, Q24
Q25, R210
RP46, RP47
RP45, RP58
R191, R211
R212, JS10
C253, C250
J516
Signals:
PDD[0~15]
PDDACK#
PDIOR#
PDIOW#
PDDREQ
PDCS[1,3]#
PDA[0:2]
PIDEACTS#
PIDE_ PU RDDP[0~15]
RPDDACK#
RPDIOR#
RPDIOW#
RCS[1,3]P#
RDAP[0~2]