Intel VC820 - Desktop Board Motherboard Design Manual page 222

8 7
LAN
D
18
TD_C
18
18
RD_C
C
No stuff C61, C79.
C61 C79
18
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%
R364
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+
18,19
7
RD-
16
3
RJ-4
4 15 ACTLED
RJ-5
18,19
5
RJ-7
6
RJ-8
RDC_J
C31 C78
0.1UF
0.1UF
No stuff C31.
5 4
3 2
VCC3_3
No stuff JP1,JP3,JP4,R60,R73,R78.
LILED
18,19
ACTLED
18,19
SPEEDLED
18
For debug only. Hold LAN in reset.
J18
RSMRST# 1
11,33
LAN_RSMRST# 2
18
3
J17
82559 LAN
Enable* 1-2
Disable 2-3
TITLE: INTEL(R) 820 CHIPSET DUAL PROCESSOR CUSTOMER REFERENCE BOARD
LAN
PCD PLATFORM DESIGN
R
1900 PRAIRIE CITY ROAD
FOLSOM, CALIFORNIA 95630
3 2
1
D
C
B
A
REV:
3.03
DRAWN BY: PROJECT:
LAST REVISED: SHEET:
11-29-1999_14:46 19 OF 38
1