Intel VC820 - Desktop Board Motherboard Design Manual page 169

8 7
8,37 HUBREF
CONN_AGPREF
C194
19
MCH
0.01UF
C155
U10
MCH_096
HD#[63:0]
HD#0
R2
3
HD#1
R1
HD#2
R4
D
HD#3
P5
HD#4
T1
HD#5
R5
HD#6
V1
HD#7
Y2
HD#8
W1
HD#9
U1
HD#10
T2
HD#11
Y3
HD#12
W2
HD#13
U3
HD#14
Y1
HD#15
U2
HD#16
W4
HD#17
W3
HD#18 V4
HD#19
U4
HD#20 T3
C
HD#21 Y4
HD#22 Y5
HD#23 T4
HD#24 V5
HD#25
T5
HD#26 Y6
HD#27
W5
HD#28
U6
HD#29
V6
HD#30
W6
HD#31
T6
HD#32
W7
HD#33
U7
HD#34
Y8
HD#35
Y7
HD#36
T8
HD#37
W8
HD#38
T7
HD#39
W9
HD#40
U8
B
HD#41
W10
HD#42
Y10
HD#43
V8
HD#44
U9
HD#45
Y9
HD#46
W11
HD#47
T9
HD#48
Y11
HD#49
T10
HD#50
T12
HD#51
U10
HD#52
V10
HD#53
W12
HD#54
T11
HD#55
U13
HD#56
Y13
HD#57 Y12
A
HD#58
W14
HD#59 U11
HD#60 U12
HD#61 Y14
HD#62 V14
HD#63 W13
8 7
6
RAMREF_R
GTLREF2
GTLREF1
HD#0
HD#1
HD#2
HD#3
HD#4
HD#5
HD#6
HD#7
HD#8
HD#9
HD#10
HD#11
HD#12
HD#13
HD#14
HD#15
HD#16
HD#17
HD#18
HD#19
HD#20
HD#21
HD#22
HD#23
HD#24
HD#25
HD#26
HD#27
HD#28
HD#29
HD#30
HOST HOST
HD#31
HD#32
HD#33
HD#34
HD#35
HD#36
HD#37
HD#38
HD#39
HD#40
HD#41
HD#42
HD#43
HD#44
HD#45
HD#46
HD#47
HD#48
HD#49
HD#50
HD#51
HD#52
HD#53
HD#54
HD#55
HD#56
HD#57
HD#58
HD#59
HD#60
HD#61
HD#62
HD#63
6
5 4
R168
RAMREF
6,11
100-1%
C191 C203
6
6
HA#[31:0]
HA#3
J1
HA#3
HA#4
H3
HA#4
HA#5
H4
HA#5
HA#6
G5
HA#6
HA#7
K2
HA#7
HA#8
H5
HA#8
HA#9
H2
HA#9
HA#10
J4
HA#10
HA#11
L1
HA#11
HA#12
J5
HA#12
HA#13
K1
HA#13
HA#14
J2
HA#14
HA#15
K5
HA#15
HA#16
K3
HA#16
HA#17
L4
HA#17
K4 HA#18
HA#18
HA#19
L2
HA#19
N2 HA#20
HA#20
M3 HA#21
HA#21
M2 HA#22
HA#22
M1 HA#23
HA#23
N5 HA#24
HA#24
HA#25
M4
HA#25
P1 HA#26
HA#26
HA#27
N1
HA#27
HA#28
P2
HA#28
HA#29
P3
HA#29
HA#30
N4
HA#30
HA#31
M5
HA#31
CPURST#
P4
CPURST#
4
HADS#
D2
ADS#
4
BNR#
F5
BNR#
4
BPRI#
G1
BPRI#
4
DBSY#
D1
DBSY#
4
DEFER#
F2
DEFER#
4
DRDY#
F1
DRDY#
4
HIT#
D3
HIT#
4
HITM#
E1
HITM#
4
HLOCK#
F3
HLOCK#
4
HTRDY#
F4
HTRDY#
4
RS#[2:0]
RS#0
E5
RS#0
RS#1
C1
RS#1
RS#2
E2
RS#2
HREQ#[4:0]
HREQ#0
H1
HREQ#0
HREQ#1
G4
HREQ#1
VCC1_8
HREQ#2
E4
HREQ#2
HREQ#3
E3
HREQ#3
HREQ#4
G2
HREQ#4
MCHCLK
V2
HCLKIN
5
F20 PCIRST#
RSTIN#
8,10,11,12,16,19,20,21,22
MCH_HLCOMP
A18
HLCOMP
R129
T15 GRCOMP Place R129 and R180 less than 0.5" from MCH using 10 mil trace.
TEST/GRCOMP
40.2-1%
5 4
3 2
VTT1_5
3
GTLREF2
C158
VDDQ
MCH_AGPREF
19
3
RAMREF
6,11
3
TITLE: INTEL(R) 820 CHIPSET CUSTOMER REFERENCE BOARD
MCH
PCD PLATFORM DESIGN
R
1900 PRAIRIE CITY ROAD
FOLSOM, CALIFORNIA 95630
3 2
1
VTT1_5
D
GTLREF1
C183
470PF
MCH_AGPREF_CV
C
470PF
MCH_AGPREF_CG
Place MCH_AGPREF circuit near the MCH.
VCC1_8
B
A
REV:
1.01
DRAWN BY: PROJECT:
LAST REVISED: SHEET:
11-24-1999_11:15 6 OF 36
1