Intel VC820 - Desktop Board Motherboard Design Manual page 171

8 7
ICH
AD[31:0]
16,20,21
D
C
C_BE#[3:0]
16,20,21
16,20,21,32
16,20,21,32
16,20,21,32
16,20,21,32
16,20,21,32
B
6,10,11,12,16,19,20,21,22
16,20,21,32
16,20,21,32
16,19,20,21
A
8 7
6
U13
ICH_096
AD0
G2
AD0
AD1
G4
AD1
AD2
F2
AD2
AD3
F3
AD3
AD4
F4
AD4
AD5
F5
AD5
AD6
E1
AD6
AD7
E2
AD7
AD8
D1
AD8
AD9
D3
AD9
AD10
E4
AD10
AD11
C2
AD11
AD12
C1
AD12
AD13
B1
AD13'
AD14
D4
AD14
AD15
C3
AD15
AD16
A4
AD16
AD17
B4
AD17
AD18
C5
AD18
AD19
C6
AD19
AD20 B5
AD20
AD21 E7
AD21
AD22 A6
AD22
AD23 B6
AD23
AD24 D7
AD24
AD25 B8
AD25
AD26 A7
AD26
AD27 A8
AD27
AD28
B7
AD28
AD29 C9
AD29
AD30
D8
AD30
AD31 C7
AD31
C_BE#0
D2
CBE0#
C_BE#1
B2
CBE#1
C_BE#2
A3
CBE#2
C_BE#3
D6
CBE#3
DEVSEL#
D9
DEVSEL#
FRAME#
B3
FRAME#
IRDY#
A2
IRDY#
TRDY#
C4
TRDY#
STOP#
D5
STOP#
PAR
A9
PAR
16,20,21
PCIRST#
J5
PCIRST#
PLOCK#
B9
PLOCK#
20,21,32
SERR#
A1
SERR#
PERR#
E9
PERR#/GPIO7
PCI_PME# K1
PME#
REQ#A N6
GPIO0/REQ#A
21,32
GNT#A
P5
GPIO16/GNT#A
21,32
ICHPCLK
C14
PCICLK
5
6
5 4
A20M#
CPUSLP#
FERR#
IGNNE#
INIT#
CPU
INTR
NMI
SMI#
STPCLK#
RCIN#
A20GATE
ICH_A
HL0
HL1
HL2
HL3
HL4
HL5
HL6
HL7
HUB
HL8
HL9
HL10
HL11
HL_STB
PCI
HL_STB#
HLCOMP
HUBREF
PIRQA#
PIRQB#
PIRQC#
PIRQD#
IRQ14
IRQ
IRQ15
APICCLK
APICD0
APICD1
SERIRQ
REQ#0
REQ#1
REQ#2
REQ#3
REQ#4
GPIO1/REQ#B/REQ#5
PCI
GNT#0
GNT#1
GNT#2
GNT#3
GNT#4
GPIO17/GNT#B/GNT#5
5 4
3 2
A20M#
F13
4,32
SLP#
E12
4,32
F15 FERR#
4,32
B17 IGNNE#
4,32
HINIT#
E15
4,10,32
LINT0
E14
4,32
LINT1
B16
4,32
SMI#
F14
4,32
STPCLK#
A17
4,32
KBRST#
A15
12,32
A20GATE
B15
12,32
HL[10:0]
D17 HL0
7
HL1
E17
HL2
F17
HL3
G16
HL4
J15
Place R239 less than 0.5" from the ICH using a 10 mil trace.
K16 HL5
HL6 VCC1_8
K17
L17 HL7
HL8
H15
J17 HL9
J14 HL10
TP1
F16 HL11_TP
G17 HL_STB
7,37
H17 HL_STB#
7,37
ICH_HLCOMP
M17
J13
C237
PIRQ#A
D10
16,19,20,21,32
PIRQ#B 0.01UF
A10
19,20,21,32
PIRQ#C
B10
20,21,32
PIRQ#D
C10
20,21,32
IRQ14
P11
22,32
IRQ15
N14
22,32
APICCLK
C16
5
PICD0
E16
4,32
PICD1
C17
4,32
SERIRQ
R4
12,21,32
PREQ#0
A14
20,32
PREQ#1
B13
20,32
PREQ#2
B12
21,32
PREQ#3
D12
16,32
PREQ#4
B11
32
PREQ#5
P4
21,32 6,8,37
PGNT#0
A13
20,32
PGNT#1
C13
20,32
PGNT#2
A12
21,32
PGNT#3
C12
16,32
PGNT#4
A11
32
PGNT#5
R5
21,32
TITLE: INTEL(R) 820 CHIPSET CUSTOMER REFERENCE BOARD
ICH
PCD PLATFORM DESIGN
R
1900 PRAIRIE CITY ROAD
FOLSOM, CALIFORNIA 95630
3 2
1
D
C
HUBREF 6,8,37
Place C237 close to ICH.
VCC1_8
B
HUBREF
C218
0.1UF
Place HUBREF circuit between MCH and ICH
HUBREF voltage = 0.9V +/- 2%
A
REV:
1.01
DRAWN BY: PROJECT:
LAST REVISED: SHEET:
11-24-1999_11:14 8 OF 36
1