Design Guide

A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
0.5" max length
Place testpoint on
H_IERR# with a GND
0.1" away
Layout Note:
COMP1, COMP3 should be routed as Zo=55ohm
traces shorter than 0.5"
H_TDI pullup (R3T3) must
be placed within 300ps of
CPU TDI pin (within 2")
4.401
Processor 1 of 2
Custom
350Monday, September 15, 2003
Intel 855GM/GME CRB
<Doc>
Title
Size Document Number Rev
Date: Sheet
of
Project:
Comp0
Comp2
Comp3
TP_GTLREF3 Comp0
TP_GTLREF1
Comp3
Comp1
TP_NC_3
Comp1
Comp2
TP_GTLREF2
H_REQ#4
H_REQ#2
H_IERR#
H_REQ#0
H_REQ#3
H_REQ#1
TP_B_SEL1
TP_NC_2
H_PROCHOT#
H_A#23
H_A#24
H_A#19
H_A#31
H_A#22
H_A#28
H_A#12
H_A#27
H_A#10
H_A#15
H_A#16
H_A#4
H_A#13
H_A#21
H_A#8
H_A#25
H_A#7
H_A#6
H_A#14
H_A#9
H_A#18
H_A#30
H_A#17
H_A#26
H_A#3
H_A#29
H_A#20
H_A#11
H_A#5
H_D#14
H_D#21
H_D#43
H_D#56
H_D#32
H_D#38
H_D#60
H_D#20
H_D#26
H_D#33
H_D#53
H_D#34
H_D#46
H_D#61
H_D#0
H_D#15
H_D#30
H_D#58
H_D#36
H_D#16
H_D#25
H_D#22
H_D#39
H_D#1
H_D#41
H_D#42
H_D#44
H_D#6
H_D#9
H_D#40
H_D#54
H_D#50
H_D#2
H_D#7
H_D#28
H_D#48
H_D#27
H_D#49
H_D#51
H_D#37
H_D#17
H_D#24
H_D#57
H_D#59
H_D#18
H_D#29
H_D#45
H_D#4
H_D#8
H_D#19
H_D#23
H_D#31
H_D#62
H_D#11
H_D#63
H_D#12
H_D#52
H_D#55
H_D#13
H_D#3
H_D#10
H_D#35
H_D#47
H_D#5
TEST1
TEST2
H_DSTBN#2 8
H_DSTBP#2 8
H_DINV#2 8
H_DSTBN#3 8
H_DSTBP#3 8
H_DINV#3 8
H_D#[63:0] 8
H_DSTBN#08
H_DINV#08
H_DSTBN#18
H_DSTBP#18
H_DINV#18
H_DSTBP#08
H_REQ#[4:0]8
H_A#[31:3]8
H_A#[31:3]8
H_ADS# 8
H_BNR# 8
H_DRDY# 8
H_DBSY# 8
H_BR0# 8
H_LOCK# 8
H_HITM# 8
H_HIT# 8
H_D#[63:0]8
H_DPWR# 7
CLK_ITP_CPU# 6
CLK_ITP_CPU 6
H_BPM5_PREQ# 5
CLK_CPU_BCLK 6
H_ADSTB#08
H_TRST# 5
H_TMS 5
CLK_CPU_BCLK# 6
H_BPRI# 8
H_DEFER# 8
H_CPURST# 5,8
H_DPSLP# 7,18,37
H_CPUSLP# 18,37
H_PWRGD 18,37
PM_THRMTRIP# 19
H_THERMDA 5
H_THERMDC 5
H_TRDY# 8
H_TDO 5
H_TCK 5
H_FERR#18
+VCCP 4,5,9,18..20,40,42,46
H_BPM4_PRDY# 5
H_BPM3_ITP# 5
H_BPM2_ITP# 5
H_BPM0_ITP# 5
H_BPM1_ITP# 5
ITP_DBRESET# 5,45,46
TDI_FLEX 5
+VCCP 4,5,9,18..20,40,42,46
+VCCP 4,5,9,18..20,40,42,46
H_RS#1 8
H_RS#2 8
H_RS#0 8
H_A20M#18
H_ADSTB#18
H_IGNNE#18
H_STPCLK#18,37
H_INTR18,37
H_NMI18,37
H_SMI#18,37
H_INIT# 18,37
PM_PSI#
39
+VCCP4,5,9,18..20,40,42,46
+VCCP
4,5,9,18..20,40,42,46
H_GTLREF
46
R3D1
2K_1%
R2T1
330
ADDR GROUP 0
ADDR GROUP 1
CONTROLITP SIGNALS
H CLK THERM
U2E1A
Intel Pentium M Processor
P4
U4
V3
R3
V2
W1
T4
W2
Y4
Y1
U1
AA3
Y3
AA2
AF4
AC4
AC7
AC3
AD3
AE4
AD2
AB4
AC6
AD5
AE2
AD6
AF3
AE1
AF1
R2
P3
T2
P1
T1
U3
AE5
B15
B14
A16
A15
C2
D3
A3
D1
D4
B4
C6
N2
L1
J3
L4
H2
M2
N4
A4
B5
J2
B11
H1
K1
L2
M3
K3
K4
C8
B8
A9
C9
A10
B10
A13
C12
A12
C11
B13
A7
B17
B18
A18
C17
A3#
A4#
A5#
A6#
A7#
A8#
A9#
A10#
A11#
A12#
A13#
A14#
A15#
A16#
A17#
A18#
A19#
A20#
A21#
A22#
A23#
A24#
A25#
A26#
A27#
A28#
A29#
A30#
A31#
REQ0#
REQ1#
REQ2#
REQ3#
REQ4#
ADSTB#0
ADSTB#1
BCLK0
BCLK1
ITP_CLK0
ITP_CLK1
A20M#
FERR#
IGNNE#
LINT0
LINT1
SMI#
STPCLK#
ADS#
BNR#
BPRI#
DEFER#
DRDY#
DBSY#
BR0#
IERR#
INIT#
LOCK#
RESET#
RS0#
RS1#
RS2#
TRDY#
HIT#
HITM#
BPM#0
BPM#1
BPM#2
BPM#3
PRDY#
PREQ#
TCK
TDI
TDO
TMS
TRST#
DBR#
PROCHOT#
THERMDA
THERMDC
THERMTRIP#
R2R2
27.4_1%
R3R3
27.4_1%
R3T2
NO_STUFF_1K
R2T3
NO_STUFF_1K
R2E1
56
R4D2
1K_1%
R3E1 56
R3T1
NO_STUFF_1K
R3T3
150
R3R2
54.9_1%
R2R1
54.9_1%
DATA GRP 0DATA GRP 1
DATA GRP 2 DATA GRP 3
MISC
U2E1B
Intel Pentium M Processor
A19
A25
A22
B21
A24
B26
A21
B20
C20
B24
D24
E24
C26
B23
E23
C25
H23
G25
L23
M26
H24
F25
G24
J23
M23
J25
L26
N24
M25
H26
N25
K25
Y26
AA24
T25
U23
V23
R24
R26
R23
AA23
U26
V24
U25
V26
Y23
AA26
Y25
AB25
AC23
AB24
AC20
AC22
AC25
AD23
AE22
AF23
AD24
AF20
AE21
AD21
AF25
AF22
AF26
C23
K24
W25
AE24
C22
L24
W24
AE25
D25
J26
T24
AD20
B7
C19
AD26
E26
G1
AC1
C5
F23
P25
P26
AB2
AB1
E4
A6
C14
C3
AF7
C16
E1
A1
B2
D0#
D1#
D2#
D3#
D4#
D5#
D6#
D7#
D8#
D9#
D10#
D11#
D12#
D13#
D14#
D15#
D16#
D17#
D18#
D19#
D20#
D21#
D22#
D23#
D24#
D25#
D26#
D27#
D28#
D29#
D30#
D31#
D32#
D33#
D34#
D35#
D36#
D37#
D38#
D39#
D40#
D41#
D42#
D43#
D44#
D45#
D46#
D47#
D48#
D49#
D50#
D51#
D52#
D53#
D54#
D55#
D56#
D57#
D58#
D59#
D60#
D61#
D62#
D63#
DSTBN0#
DSTBN1#
DSTBN2#
DSTBN3#
DSTBP0#
DSTBP1#
DSTBP2#
DSTBP3#
DINV0#
DINV1#
DINV2#
DINV3#
DPSLP#
DPWR#
GTLREF0
GTLREF1
GTLREF2
GTLREF3
TEST1
TEST2
COMP0
COMP1
COMP2
COMP3
PWRGOOD
SLP#
RSVD1
RSVD2
RSVD3
RSVD4
PSI#
NC0
NC1