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8170 N/B MAINTENANCE
8.7 Keyboard (K/B) Touch-Pad (T/P) Test Error
Error message of keyboard or touch-pad failure is shown or any key does not work.
U508
Micro
Controller
H8/F3437
IRQ1
IRQ12
-IOW
XD[0:7]
-IOR
Level Shift
R78
10K
+5VA
-H8_KBCS
-ROMCS
89
-H8_A20GATE
ICH-A20GATE
76
U13
74CBTD3384
2
3
Internal Keyboard Connector
J12
KO[0:15]
KI[0:7]
H8_VDD5
36
9,59,4
53
54
96
97
95
17
U17
ICH2
82801BA
U509
Supper I/O
PC87393
14 15
98
-MCCS
-H8_MCCS
T_CLK
T_DATA
Touch-pad
Oonnctor
J15
+5V
L15
L16
120Z/100M
120Z/100M
L13
120Z/100M
C149
47P
C139
47P
C135
0.1U
4
2
3
1
57
10
R627 1M
X503
16MHz
C630
68P
C633
68P
L520
37
+5VA
R66
10K
120Z/100M
P13
P19
P19
P19
72
73
P18