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8
7
LAN
D
16
TD_C
16
16
RD_C
C
No stuff C61, C79.
C61
C79
16
0.1UF
0.1UF
B
A
8
7
6
Place termination resistors close to 82559.
TDP
R26
49.9-1%
R20
10
49.9-1%
TDN
12
RDP
R62
49.9-1%
R63
49.9-1%
RDN
RJ4_J
TXC_J
XC_R
C5
No stuff C5.
470PF
C5 must be rated at 1500V.
6
5
4
VCC3_3
J2
RJMAG
TD+
14
TD-
9
13
LILED
RD+
16,17
7
RD-
16
3
RJ-4
4
15
ACTLED
RJ-5
16,17
5
RJ-7
6
RJ-8
RDC_J
C31
C78
0.1UF
0.1UF
8 2 5 5 9 L A N
E n a b le *
D is a b le
No stuff C31.
5
4
3
2
VCC3_3
No stuff JP1,JP3,JP4,R60,R73,R78.
LILED
16,17
ACTLED
16,17
SPEEDLED
16
For debug only. Hold LAN in reset.
J17
RSMRST#
1
9,31
LAN_RSMRST#
2
16
3
J 1 7
1 -2
2 -3
TITLE: INTEL(R) 820 CHIPSET CUSTOMER REFERENCE BOARD
LAN
PCD PLATFORM DESIGN
R
1900 PRAIRIE CITY ROAD
FOLSOM, CALIFORNIA 95630
3
2
1
D
C
B
A
REV:
1.01
DRAWN BY:
PROJECT:
LAST REVISED:
SHEET:
11-18-1999_10:48
17
OF 36
1
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