Intel VC820 - Desktop Board Motherboard Design Manual page 191

8 7
VRM
VRM requirements are based on VRM8.4 spec .
D
Place caps next to output FETs.
C82,C87,C107,C111 must support >6A of RMS current.
C
VID[4:0]
3
JP6
VID Override Jumpers
B
A
8 7
6
VCC5
DO3316P-102
VRM_VCC5
1 1 1
2 2 2
OUTEN
VID0
VID1
VID2
VID3
VID4
JP8 JP10 JP7 JP9
6
5 4
VCC12
PVCC_R
1
2
1 1
2 2
1
2
VR3 VRM_IMAX
19 7
OUTEN IMAX
18 13
VID0 PWRGD
17 12 VRM_FAULT
VID1 FAULT#
16 20 VRM_G1
VID2 G1
15 8 VRM_IFB
VID3 IFB
14 1 VRM_G2
VID4 G2
11
VFB
LTC1753
VRM_COMP
5 4
3 2
VCC3_3 VCC5
VRM_PWRGD
4,31
5 6 7 8 5 6 7 8
4 3 2 1 4 3 2 1
IFB_Q
R65
20
5 6 7 8 5 6 7 8
1
2
4 3 2 1 4 3 2 1
1 1 1 1
2 2 2 2
Sanyo 4SP2200M
TITLE: INTEL(R) 820 CHIPSET CUSTOMER REFERENCE BOARD
VRM 8.2
DRAWN BY:
PCD PLATFORM DESIGN
R
1900 PRAIRIE CITY ROAD
LAST REVISED:
FOLSOM, CALIFORNIA 95630
3 2
1
D
C118, C119 must be next to FETs.
1
2
VCCVID
C
L18
1.0UH-20A
ETQP6F0R8L
B
A
REV:
1.01
PROJECT:
SHEET:
11-18-1999_11:24 28 OF 36
1