User Guide

8081
8081
N/B Maintenance
N/B Maintenance
115
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.
PDA2
U9
I/O
Controller
Hub
82801DBM
ICH4-M
P11
PIORDY
PDIOR#
PDIOW#
PDDACK#
PDDREQ
PDCS1#
J8
P12
2
Primary EIDE Connector for Hard-Disk
IDERST#
40
R818
330
D17
CL-190G
HDD_LED#
C_RSTDRV1#
+5V_HDD
41, 42
PDCS3#
PDA0
PDA1
IRQ14
D506
BAW56
2
1
3
+3V
R127
4.7K
+3V
+3V
R664
10K
Q509
DTC144TKA
+5V
R676
10K
R675
22
C_PDCS1#
C_PDA2
C_PDDACK#
C_PIORDY
C_PDIOR#
C_PDIOW#
C_PDDREQ
38
35
30
28
26
24
22
C_PDCS3#
C_PDA0
C_PDA1
C_PINTRQ
37
36
34
32
PD_D[0:15]
3~18
C_PD_D[0:15]
C179
10µ
C180
0.1µ
C187
0.1µ
C207
2.2µ
L22
120Z/100M
5V_HDD
C208
1µ
+5V_UH
R74
100K
DS
G
Q25
SI2301DS
Q26
DTC144WK
USB_HDD_PWRON
+3V
R721
8.2K
U526
U527
U528
74CBTD3384
P_C_RSTDRV1#
P_C_PDCS1#
P_ C_PDA2
P_ C_PDDACK#
P_ C_PIORDY
P_ C_PDIOR#
P_ C_PDIOW#
P_ C_PDDREQ
P_ C_PDCS3#
P_ C_PDA0
P_ C_PDA1
C_PINTRQ
C_PD_D[0:15]
U520
H8/F3437
P21
68