User Guide

8081
8081
N/B Maintenance
N/B Maintenance
114
Hard Driver Test Error
One of the following parts 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.
Yes
No
Re-boot
OK?
Replace the faulty parts.
1. Check if BIOS setup is OK?.
2. Try another working drive and cable.
Check the system driver for proper
installation.
No
Re - Test
OK?
End
Yes
Board-level
Troubleshooting
8.7 Hard Drive Test Error
Either an error message is shown, or the drive motor spins non-stop, while reading data from or writing
data to hard disk.
Parts: Signals:
U520
U9
U526~U528
J8
Q25
Q26
R818
L22
D17
D506
Q509
R675
+5V_UH
+5V_HDD
5V_HDD
HDD_LED#
PD_D[0:15]
IDERST#
PDCS1#
PDA[0:2]
PDDACK#
PIORDY
PDIOR#
PDIOW#
PDREQ
PDCS3#
IRQ14
Replace
Motherboard