Intel 855GM Design Manual page 318

Chipset platform
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A
U2E1A
8
H_A#[31:3]
H_A#3
P4
A3#
H_A#4
U4
A4#
H_A#5
V3
A5#
H_A#6
R3
A6#
H_A#7
V2
A7#
H_A#8
W1
A8#
H_A#9
T4
A9#
H_A#10
W2
A10#
H_A#11
4
Y4
A11#
H_A#12
Y1
A12#
H_A#13
U1
A13#
H_A#14
AA3
A14#
H_A#15
Y3
A15#
H_A#16
AA2
A16#
U3
8
H_ADSTB#0
ADSTB#0
8
H_REQ#[4:0]
H_REQ#0
R2
REQ0#
H_REQ#1
P3
REQ1#
H_REQ#2
T2
REQ2#
H_REQ#3
P1
REQ3#
H_REQ#4
T1
REQ4#
8
H_A#[31:3]
H_A#17
AF4
A17#
H_A#18
AC4
A18#
H_A#19
AC7
A19#
H_A#20
AC3
A20#
H_A#21
AD3
A21#
H_A#22
AE4
A22#
H_A#23
AD2
A23#
H_A#24
AB4
A24#
H_A#25
AC6
A25#
H_A#26
AD5
A26#
H_A#27
AE2
3
A27#
H_A#28
AD6
A28#
H_A#29
AF3
A29#
H_A#30
AE1
A30#
H_A#31
AF1
A31#
AE5
8
H_ADSTB#1
ADSTB#1
C2
18
H_A20M#
A20M#
D3
18
H_FERR#
FERR#
A3
18
H_IGNNE#
IGNNE#
C6
18,37
H_STPCLK#
STPCLK#
D1
18,37
H_INTR
LINT0
D4
18,37
H_NMI
LINT1
B4
18,37
H_SMI#
SMI#
Intel Pentium M Processor
2
Layout Note:
COMP1, COMP3 should be routed as Zo=55ohm
traces shorter than 0.5"
Comp0
Comp1
Comp2
Comp3
1
R2R1
R2R2
R3R2
54.9_1%
27.4_1%
54.9_1%
A
B
N2
H_ADS#
8
ADS#
L1
H_BNR#
8
BNR#
J3
H_BPRI#
8
BPRI#
L4
H_DEFER# 8
DEFER#
H2
H_DRDY# 8
DRDY#
M2
H_DBSY# 8
DBSY#
N4
H_BR0#
8
BR0#
H_IERR#
A4
IERR#
B5
INIT#
H_INIT#
J2
H_LOCK# 8
LOCK#
H_CPURST# 5,8
B11
RESET#
H1
H_RS#0
8
RS0#
K1
H_RS#1
8
RS1#
L2
H_RS#2
8
RS2#
M3
H_TRDY# 8
TRDY#
K3
H_HIT#
8
HIT#
K4
H_HITM#
8
HITM#
C8
BPM#0
H_BPM0_ITP# 5
B8
BPM#1
H_BPM1_ITP# 5
A9
BPM#2
H_BPM2_ITP# 5
C9
H_BPM3_ITP# 5
BPM#3
A10
H_BPM4_PRDY# 5
PRDY#
B10
H_BPM5_PREQ# 5
PREQ#
A13
H_TCK 5
TCK
C12
TDI
A12
H_TDO 5
TDO
C11
H_TMS 5
TMS
B13
H_TRST# 5
TRST#
A7
ITP_DBRESET# 5,45,46
DBR#
H_PROCHOT#
R3E1
B17
PROCHOT#
B18
THERMDA
H_THERMDA 5
A18
THERMDC
H_THERMDC 5
C17
PM_THRMTRIP# 19
THERMTRIP#
A15
ITP_CLK1
CLK_ITP_CPU# 6
A16
ITP_CLK0
CLK_ITP_CPU 6
B14
CLK_CPU_BCLK# 6
BCLK1
B15
CLK_CPU_BCLK 6
BCLK0
R3R3
27.4_1%
B
C
+VCCP
4,5,9,18..20,40,42,46
R2E1
56
Place testpoint on
H_IERR# with a GND
18,37
0.1" away
8
H_D#[63:0]
+VCCP 4,5,9,18..20,40,42,46
H_TDI pullup (R3T3) must
be placed within 300ps of
CPU TDI pin (within 2")
R3T3
150
TDI_FLEX 5
+VCCP 4,5,9,18..20,40,42,46
56
8
H_DSTBN#0
8
H_DSTBP#0
8
H_DINV#0
4,5,9,18..20,40,42,46
+VCCP
8
H_DSTBN#1
R4D2
8
H_DSTBP#1
1K_1%
8
H_DINV#1
H_GTLREF
0.5" max length
46
R3D1
2K_1%
R3T2
NO_STUFF_1K
C
D
U2E1B
H_D#0
A19
D0#
D32#
H_D#1
A25
D1#
D33#
H_D#2
A22
D2#
D34#
H_D#3
B21
D3#
D35#
H_D#4
A24
D4#
D36#
H_D#5
B26
D37#
D5#
H_D#6
A21
D6#
D38#
H_D#7
B20
D7#
D39#
H_D#8
C20
D8#
D40#
H_D#9
B24
D9#
D41#
H_D#10
D24
D10#
D42#
H_D#11
E24
D11#
D43#
H_D#12
C26
D12#
D44#
H_D#13
B23
D13#
D45#
H_D#14
E23
D14#
D46#
H_D#15
C25
D15#
D47#
C23
DSTBN0#
DSTBN2#
C22
DSTBP0#
DSTBP2#
D25
DINV0#
DINV2#
H_D#16
H23
D16#
D48#
H_D#17
G25
D17#
D49#
H_D#18
L23
D18#
D50#
H_D#19
M26
D19#
D51#
H_D#20
H24
D20#
D52#
H_D#21
F25
D21#
D53#
H_D#22
G24
D22#
D54#
H_D#23
J23
D23#
D55#
H_D#24
M23
D24#
D56#
H_D#25
J25
D25#
D57#
H_D#26
L26
D26#
D58#
H_D#27
N24
D27#
D59#
H_D#28
M25
D28#
D60#
H_D#29
H26
D29#
D61#
H_D#30
N25
D30#
D62#
H_D#31
K25
D31#
D63#
K24
DSTBN1#
DSTBN3#
L24
DSTBP1#
DSTBP3#
J26
DINV1#
DINV3#
TP_GTLREF3
AC1
GTLREF3
COMP0
TP_GTLREF2
G1
GTLREF2
COMP1
TP_GTLREF1
E26
GTLREF1
COMP2
AD26
GTLREF0
COMP3
MISC
A1
NC0
B2
NC1
DPSLP#
DPWR#
TP_B_SEL1
C14
RSVD1
PWRGOOD
TP_NC_2
C3
RSVD2
SLP#
TP_NC_3
AF7
RSVD3
C16
RSVD4
TEST1
E1
PSI#
TEST2
PM_PSI#
39
Intel Pentium M Processor
Title
Processor 1 of 2
Size
Project:
Custom
Intel 855GM/GME CRB
Date:
Monday, September 15, 2003
D
E
4
H_D#[63:0] 8
H_D#32
Y26
H_D#33
AA24
H_D#34
T25
H_D#35
U23
H_D#36
V23
H_D#37
R24
H_D#38
R26
H_D#39
R23
H_D#40
AA23
H_D#41
U26
H_D#42
V24
H_D#43
U25
3
H_D#44
V26
H_D#45
Y23
H_D#46
AA26
H_D#47
Y25
W25
H_DSTBN#2 8
W24
H_DSTBP#2 8
T24
H_DINV#2 8
H_D#48
AB25
H_D#49
AC23
H_D#50
AB24
H_D#51
AC20
H_D#52
AC22
H_D#53
AC25
H_D#54
AD23
H_D#55
AE22
H_D#56
AF23
H_D#57
AD24
H_D#58
AF20
H_D#59
AE21
H_D#60
AD21
H_D#61
AF25
H_D#62
AF22
H_D#63
2
AF26
AE24
H_DSTBN#3 8
AE25
H_DSTBP#3 8
AD20
H_DINV#3 8
Comp0
+VCCP
P25
Comp1
4,5,9,18..20,40,42,46
P26
Comp2
AB2
Comp3
R2T1
AB1
330
B7
H_DPSLP# 7,18,37
C19
H_DPWR# 7
E4
H_PWRGD 18,37
A6
H_CPUSLP# 18,37
TEST1
C5
TEST2
F23
R3T1
R2T3
NO_STUFF_1K
NO_STUFF_1K
1
Document Number
Rev
<Doc>
4.401
Sheet
3
of
50
E

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