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**REFERENCE VOLTAGE FOR PROCESSOR. THERE
ARE 8 VREF PINS. PLACE ONE CAPACITOR
NEAR EVERY 2 VREF PINS.
Make MREF as short and fat as possible.
Use at least 24 mill line.
THIS DRAWING CONTAINS INFORMATION WHICH HAS NOT
BEEN VERIFIED FOR MANUFACTURING AS AN END USER
PRODUCT. INTEL IS NOT RESPONSIBLE FOR THE
MISUSE OF THIS INFORMATION.
Low Q, Self-resonance >10MHz
Series resitance 1 Ohm Typ,
1.5Ohm Max
Rated current >=30 mA
Tantalum +-30%
Series resistance 1 Ohm Max
Series inductance 2 nH Typ
Spare Decoupling Caps: Do Not Populate
Place within 2" of Pin
Route as a Pair
Layout: Route trace
through resistor
Celeron Processor Adaptor A
Socket370_B
Embedded Microcontroller Division (EMD)
Intel Corporation
5000 W. Chandler Blvd
Chandler AZ, 85044
C
411Tuesday, May 11, 1999
Title
Size Document Number Rev
Date: Sheet of
VID2
VID0
VID1
VID3
VID[3:0] 11
VCCCORE
VCC_CMOS V2_5 VTT
VCCCORE
VCCCORE
VCCCORE
VCCCORE VCCCORE
VCCCORE
VCCCORE
VGTLREF_CPU
VGTLREF_CPU
VCCCOREVCCCORE
C39
4.7uF
10V
X5R
370 Pin Socket
Power Supply
U1B
SCK370_10
A37
AB32
AC33
AC5
AD2
AD34
AF32
AF36
AG5
AH2
AH34
AJ11
AJ15
AJ19
AJ23
AJ27
AJ3
AJ7
AK36
AK4
AL1
AL3
AM10
AM14
AM18
AM2
AM22
AM26
AM30
AM34
AM6
AN3
B12
B16
B20
B24
B28
B32
B4
B8
D18
D2
D22
D26
D30
D34
D4
E11
E15
E19
E7
F20
F24
F28
F32
F36
G5
H2
H34
K36
L5
M2
M34
P32
P36
Q5
R34
T32
T36
U5
V2
V34
X32
X36
Y37
Y5
Z2
Z34
AJ31
Y33
AA37
AA5
AB2
AB34
AD32
AE5
AF2
AF34
AH24
AH32
AH36
AJ13
AJ17
AJ21
AJ25
AJ29
AJ5
AJ9
AK2
AK34
AM12
AM16
AM20
AM24
AM28
AM32
AM4
AM8
B10
B14
B18
B22
B26
B30
B34
B6
C3
D20
D24
D28
D32
D36
D6
E13
E17
E5
E9
F14
F2
F22
F26
F30
F34
F4
H32
H36
J5
K2
K32
K34
M32
N5
P2
P34
R32
R36
S5
T2
T34
V32
V36
W5
X34
Y35
Z32
E33
F18
K4
R6
V6
AD6
AK12
AK22
AL35
AM36
AL37
AJ37
AB36
Z36
AD36
W33
U33
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
VREF0
VREF1
VREF2
VREF3
VREF4
VREF5
VREF6
VREF7
VID0
VID1
VID2
VID3
VCC_CMOS
VCC_2.5
VCC_1.5
PLL1
PLL2
C48
0.1uF
C5
0.1uF
C6
0.1uF
C3
0.1uF
C4
0.1uF
L1
22 uH
LQG21C220N00T1
C40
1uF
10V
X5R
C41
1uF
10V
X5R
C44
1uF
10V
X5R
C43
1uF
10V
X5R
C42
1uF
10V
X5R
C9
0.1uF
C8
0.1uF
C7
0.1uF
C11
1uF
10V
X5R
C12
1uF
10V
X5R
C13
1uF
10V
X5R
C14
1uF
10V
X5R
C10
1uF
10V
X5R
C15
1uF
10V
X5R
C17
1uF
10V
X5R
C16
1uF
10V
X5R
C19
1uF
10V
X5R
C18
1uF
10V
X5R
R14
1
C25
4.7uF
10V
X5R
C26
4.7uF
10V
X5R
C29
4.7uF
10V
X5R
C28
4.7uF
10V
X5R
C27
4.7uF
10V
X5R
C49
22uF
16V
Tantalum
C142
0.1uF
C141
0.1uF
C140
0.1uF
C139
4.7uF
10V
X5R
C24
1uF
10V
X5R
C20
1uF
10V
X5R
C23
1uF
10V
X5R
C21
1uF
10V
X5R
C22
1uF
10V
X5R
C45
4.7uF
10V
X5R
C46
4.7uF
10V
X5R
C47
4.7uF
10V
X5R
C33
1uF
10V
X5R
C31
1uF
10V
X5R
C32
1uF
10V
X5R
C34
1uF
10V
X5R
C30
1uF
10V
X5R
C36
4.7uF
10V
X5R
C35
4.7uF
10V
X5R
C37
4.7uF
10V
X5R
C38
4.7uF
10V
X5R