Intel VC820 - Desktop Board Motherboard Design Manual page 198

Chipset
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8
7
Decoupling
VCC3_3 Decoupling
VCC3_3
0.1UF
D
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
C
0.1UF
0.1UF
VCCVID
10UF
B
10UF
10UF
10UF
10UF
A
8
7
6
VCC3_3 Decoupling
VCC2_5 Decoupling
VCC3_3
VCC2_5
VCC3_3
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
Core Voltage Decoupling
VCC3_3SBY
VCCVID
10UF
10UF
10UF
10UF
10UF
6
5
4
Bulk Power Decoupling
VCC12
VCC5
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
C346
C338
C342
1
2
1
2
1
2
+
+
+
22UF
22UF
22UF
Termination Decoupling
VTT1_5
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
0.01UF
0.1UF
0.01UF
0.01UF
0.01UF
Place caps at VTT pins on Slot 1 connector.
5
4
3
2
VCC12-
0.1UF
0.1UF
0.1UF
0.1UF
C340
2
1
+
22UF
TITLE: INTEL(R) 820 CHIPSET CUSTOMER REFERENCE BOARD
BULK DECOUPLING
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_11:31
35
OF 36
1

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