Service manual
Schematic Diagrams
LAN RTL8100BL (71-M1900-D02) B - 23
Schematic Diagrams
LAN RTL8100BL
Sheet 21 of 34
LAN RTL8100BL
LANVDD3
LANVDD3
LANVDD3
VDD3
VDD3
+3V
LANVDD3
LANVCC25
+3VS
LANVCC25
LANVDD3
LANVDD3
LANVCC25
LANVCC25
LANVDD3
AD[0..31](12,17,18,19)
DEVSEL#(12,17,19)
FRAME#(12,17,18,19)
GNT2#(12)
REQ2#(12)
AD21(12,17,19)
INTD#(12)
TRDY#(12,17,18,19)
PAR(12,17,19)
PERR#(17,19)
SERR#(12,17,19)
STOP#(12,17,19)
PRST#(12,17,22)
PCICLKLAN(4)
C/BE#[0..3](12,17,18,19)
HWSUS_LAN#(14)
PME#(17,19,20,22,23)
IRDY#(12,17,18,19)
MA1/EEDI
EECS
MA2/EESK
C/BE#0
C/BE#1
C/BE#2
C/BE#3
MA0/EEDO
RXIN-
FRAME#
PAR
TRDY#
PRST#
REQ2#
PERR#
IRDY#
SERR#
GNT2#
STOP#
DEVSEL#
TXD+
TXD-
VCTRL
C/BE#[0..3]
VCTRL
RXIN+
AD[0..31]
AD23
AD26
AD27
AD0
AD3
AD14
AD16
AD28
AD21
AD24
AD18
AD2
AD25
AD12
AD17
AD6
AD13
AD22
AD11
AD4
AD31
AD5
AD29
AD10
AD8
AD15
AD9
AD20
AD1
AD30
AD7
AD19
PME#
R10
51
C4
0.1UF
C236
27P
Y1 25MHz
R12
5.6K
U10
9346
1
2
3
4
8
7
6
5
CS
SK
DI
DO
VCC
NC
NC
GND
C3
0.1UF
C24
0.1UF
R18
51
R15
51
C18
0.1UF
C29
0.1UF
R7
75
R4
75
R8
51
R6
5.6K
T
C1
10U/1206
R22
0
C7
0.1UF
C46
0.1UF
C34
0.1UF
C21
0.1UF
L33
BK2125HS121
R20 0
C23
0.1UF
JLAN1
ACES88231-1200
1
2
3
4
5
6
7
8 9
TX+
TX-
RX+
N/C
N/C
RX-
N/C
N/C GND
R9
75
C32
0.1UF
R16 15K(R)
R24
1K(R)
T
T
T
C2
10U/1206
Q1
2SB1198K
D1
F01J2E
A C
D2
F01J2E
A C
C232
0.1UF
T
T
T
C233
10U/1206
C35
10P(R)
R14
10(R)
C30
0.1U(R)
T
L3 BK2125HS121
R11 0(R)
T
C235
27P
U12
LF-H80P
16
15
14
8
6
7
1
11
2
9
3
10
4
5
12
13
RX+
RX-
RXC
TX-
TXC
TX+
RD+
TDC
RD-
TD-
RDC
TD+
NC
NC
NC
NC
R13
75
C41
1000P/2KV
R21 100
T
T
T
T
T
T
L7
BK1608HS121(R)
L2
BK1608HS121(R)
R23 0
RTL8100BL
U11
RTL8100BL
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
57
7
60
61
63
64
65
67
68
35
71
72
54
74
40
79
80
58
59
81
82
83
84
85
86
87
89
91
92
93
94
95
51
88
50
77
55
78
75
76
96
97
90
VDD
CBE3B
IDSEL
AD23
AD22
GND
AD21
AD20
AD19
AD18
AD17
VDD
AD16
CBE2B
FRAMEB
IRDYB
TRDYB
GND
DEVSELB
STOPB
PERRB
SERRB
PAR
CBE1B
VDD
AD15
AD14
AD13
AD12
GND
AD11
AD10
AD9
AD8
CBE0B
AD7
AD6
AD5
AD4
GND
AD3
AD2
AD1
AD0
VDD
MA0/EEDO
MA1/EEDI
MA2/EESK
EECS
NC
GND
GND
AVDD
AVDD25
GND
NC
GND
PMEB
VDD25
X2
X1
RTT3
LWAKE
RTSET
RXIN-
RXIN+
VDD25
TXD-
TXD+
NC
ISOLATEB
VDD25
LED1
LED0
AVDD25
AVDD
INTAB
RSTB
CLK
GNTB
REQB
AD31
AD30
AD29
AD28
AD27
AD26
AD25
AD24
VDD25
GND
AUX
LED2
VCTRL
NC
AVDD
AVDD25
VDD25
VDD
VDD
C257
0.1UF
C6
0.1UF
C33
0.1UF
The maximum voltage drop when on should be less than 0.3V
*For RTL8100C application, all bead must be rated
300mA/100ohm@100Mhz
for EMI supression
EMI supression can be
changed to 33 ohm
DE-COUPLE CAPS PLEASE CLOSE CHIP POWER PIN