![Hitachi M300N Service Manual Download Page 89](http://html.mh-extra.com/html/hitachi/m300n/m300n_service-manual_142402089.webp)
Schematic Diagrams
B - 18 LAN RTL8100BL (71-M3000-D04)
B.Schematic Diagrams
LAN RTL8100BL
+3V
+3V
+3V
+2.5V
+3V
+2.5V
+3V
+3VA_LAN
+3VS
PCI_DEVSEL#
[12,14,20,24]
PCI_FRAME#
[12,14,20,24]
PCI_REQ2#
[12,14]
PCI_AD16
[12,20,24]
INT_PIRQC#
[12,14,24]
PCLK_LAN
[10]
PCI_TRDY#
[12,14,20,24]
PCI_PAR
[12,20,24]
PCI_PERR#
[12,14,20,24]
PCI_STOP#
[12,14,20,24]
PCI_SERR#
[12,14,20,24]
SUSB#
[4,13,19,22,26,29]
PCI_PME#[12,20,24]
PCI_AD[31:0]
[12,20,24]
PCI_IRDY#
[12,14,20,24]
PCI_GNT2#
[12]
PCI_C/BE2#
[12,20,24]
PCI_C/BE0#
[12,20,24]
PCI_C/BE1#
[12,20,24]
PCI_C/BE3#
[12,20,24]
PCIRST#
[5,6,12,16,17,19,20,21,24,27]
PRST#
[12,16,20,24]
SUSB#
Z1815
Z1809
MA0/EEDO
EECS
INT_PIRQC#
PCI_GNT2#
Z1808
Z1822
Z1823
Z
1821
PCI_DEVSEL#
PCI_PERR#
PCI_SERR#
PCI_PAR
Z1816
PCI_STOP#
MA2/EESK
Z1806
PCI_PME#
PCI_TRDY#
MA1/EEDI
Z1817
PCI_PREQ#2
Z1807
Z1801
Z1814
Z1811
Z1813
Z1812
Z1805
PCI_FRAME#
PCI_AD29
PCI_AD22
PCI_AD[31:0]
PCI_AD26
PCI_AD24
PCI_AD23
PCI_AD0
PCI_AD12
PCI_AD15
PCI_AD11
PCI_AD6
PCI_AD9
PCI_AD1
PCI_AD2
PCI_AD8
PCI_AD31
PCI_AD17
PCI_AD25
PCI_AD30
PCI_AD20
PCI_AD18
PCI_AD10
PCI_AD3
PCI_AD19
PCI_AD28
PCI_AD13
PCI_AD7
PCI_AD27
PCI_AD21
PCI_AD4
PCI_AD5
PCI_AD16
PCI_AD14
PCI_IRDY#
Z1818
PCI_C/BE2#
PCI_C/BE1#
PCI_C/BE3#
PCI_C/BE0#
Z1843
Z1844
RXIN+
RXIN-
Z1824
Z1845
Z1832
Z1831
Z1830
Z1829
Z1825
Z1827
Z1837
Z1826
Z1828
Z1839
Z1840
Z1838
Z1833
Z1834
Z1835
Z1836
RSTB
RSTB
TXD+
TXD-
Z1819
Z
1820
Z
1803
Z
1804
Z
1802
Z1810
T
Z
1801
T
Z
1802
T
Z
1803
T
Z
1804
TZ1805
TZ1806
C576
2KV
C575
2KV
L16
1608HM121
1
2
L65
HCB1608K-121T25
L15
1608HM121
1
2
C511
0.1uF
C474
0.1uF
C510
0.1uF
C448
0.1uF
C468
0.1uF
C476
0.1uF
R461
10
R454
15K
C428
27P
L63
HCB2012K-121T30
C447
0.1uF
U41
9346
1
2
3
4
8
7
6
5
CS
SK
DI
DO
VCC
NC
NC
GND
C473
0.1uF
C449
0.1uF
C429
27P
C450
0.1uF
R465
100
Y2
25MHz
C467
10P
C466
0.1uF
L61
HCB2012K-121T30
R456
5.6K
R450
*1K
R452
0
T
C430 0.1uF
T
C409
*0.1uF
T
R463
0
T
T
T
T
L57
FCM1608K-121T06
RTL8100B
U43
RTL8100B
6
98
99
100
1
2
3
4
5
8
9
22
10
11
12
13
14
16
15
17
18
19
20
21
34
23
24
25
26
31
27
28
29
30
32
33
36
37
38
43
41
42
44
45
39
46
47
48
49
53
56 62
70
69
66
52
73
7
60
61
63
64
65
67
68
35
71
72
54
74
40
79
80
58
81
82
83
84
85
86
87
89
91
92
93
94
95
51
88
50
77
78
75
76
96
97
90
57
55
59
VD
D
C
BE3
B
IDSEL
AD23
AD22
GN
D
AD21
AD20
AD19
AD18
AD17
VD
D
AD16
C
BE2
B
FRAMEB
IRDYB
TRDYB
GN
D
DEVSELB
STOPB
PERRB
SERRB
PAR
C
BE1
B
VD
D
AD15
AD14
AD13
AD12
GN
D
AD11
AD10
AD9
AD8
C
BE0
B
AD7
AD6
AD5
AD4
GN
D
AD3
AD2
AD1
AD0
VD
D
MA0/EEDO
MA1/EEDI
MA2/EESK
EECS
NC
GN
D
GN
D
AVD
D
A
V
DD25
GN
D
NC
GN
D
V
DD25
X2
X1
RTT3
L
W
AKE
RTSET
RXIN-
RXIN+
V
DD25
TXD-
TXD+
NC
IS
O
L
AT
EB
V
DD25
LE
D1
LE
D0
A
V
DD25
INTAB
RSTB
CLK
GNTB
REQB
AD31
AD30
AD29
AD28
AD27
AD26
AD25
AD24
V
DD25
GN
D
AUX
LE
D2
NC
AVD
D
A
V
DD25
V
DD25
VD
D
VD
D
PMEB
VCTRL
AVD
D
R455
5.6K
T
R431
50
R438
75
R432
50
C406
0.1uF
C408
0.1uF
R422
75
R433
75
R129
75
R442
50
R443
50
L59
HCB2012K-121T30
U9
LF-H80P
7
8
6
15
14
16
10
11
9
2
3
1
4 5
12 13
RD+
RD-
RDC
TD-
TDC
TD+
RX+
RXC
RX-
TX-
TXC
TX+
NC NC
NC NC
R467
0
R466
*0
JMODEM1
85204-2
1
2
1
2
JMLAN1
PJS-28VL3
1
2
3
4
5
6
7
8
9
10
GND1
GND2
TX+
TX-
RX+
N/C
N/C
RX-
N/C
N/C
TIP
RING
GND
GND
T
T
L60
HCB2012K-121T30
C385
0.01uF/3KV
L20
FRC-1394-201
1
2
3
4
5
6
7
8
C410
*15PF
C413
0.1uF
+2.5V
[5,7,8,12,22]
+3V
[4,12,13,14,16,20,21,22,24,25,26,28]
*For RTL8100C application, all bead must be rated
300mA/100ohm@100Mhz
The maximum voltage drop when on should be less than 0.3V
DE-COUPLE CAPS PLEASE CLOSE CHIP POWER PIN
RTL8100B Note:
A. Change R718 from 1.8K(RTL8100)
to 5.6K(RTL8100B)
B. RTL8100B Del R?
C. RTL8100B Pin 51,96
to VDD25.
Pin 58 to AVDD25.
RTL8100B Reserved
(CONNECT TO CHASSIS GND)
ROM SELECT
Sheet 17 of 29
LAN RTL8100BL
Summary of Contents for M300N
Page 1: ......
Page 2: ...Preface I Preface Notebook Computer M300N M310N Service Manual ...
Page 50: ...Part Lists Top M300N A 3 A Part Lists Top M300N Figure 1 Top M300N ...
Page 51: ...Part Lists A 4 Bottom M300N A Part Lists Bottom M300N Figure 2 Bottom M300N ...
Page 52: ...Part Lists LCD M300N A 5 A Part Lists LCD M300N Figure 3 LCD M300N ...
Page 61: ...Part Lists A 14 Top M310N A Part Lists Top M310N Figure 12 Top M310N ...
Page 62: ...Part Lists Bottom M310N A 15 A Part Lists Bottom M310N Figure 13 Bottom M310N ...
Page 63: ...Part Lists A 16 LCD M310N A Part Lists LCD M310N Figure 14 LCD M310N ...