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CPU
DOTHAN


o m
FSB
533MHz




s .c
ic
LVDS




t
Nvidia PCI-E DDR2 DDR2
CRT SO-DIMM
VGA Card Alviso


a
TV OUT
DMI interface PCMCIA




e m
PCI R5C841 1394
33MHz
LPC




h
FWH 33MHz ICH6-M CARD READER




c
PRINTER PORT Azalia MINI-PCI 1
SUPER I/O WIRE LESS




-s
SIR
LPC47N217
IDE Giga LAN
AUDIO DJ KEY 88E8001




p
KBC 38857 HDD




to
INSTANT KEY




p
CD ROM
AZALIA CODEC




. la
MDC Header USB 2.0 USB
X4 USB CCD




w
BLUE TOOTH
Module




w w
5 4 3 2 1




o m
H_D#[0..63] 6

U48B
6 H_A#[16..3]




.c
H_A#16 AA2 N2 U48A
A[16]# ADS# H_ADS# 6
H_A#15 Y3 A10 TPC28t 1 T222 H_D#15 C25 Y25 H_D#47
H_A#14 A[15]# PRDY# R19 r0402 56Ohm H_D#14 D[15]# D[47]# H_D#46
D AA3 A[14]# PREQ# B10 +VCCP E23 D[14]# D[46]# AA26 D
H_A#13 U1 / H_D#13 B23 Y23 H_D#45
H_A#12 A[13]# H_D#12 D[13]# D[45]# H_D#44
Y1 A[12]# BNR# L1 H_BNR# 6 C26 D[12]# D[44]# V26
H_A#11 Y4 J3 H_D#11 E24 U25 H_D#43
H_BPRI# 6




ADDRESS GROUP 0
H_A#10 A[11]# BPRI# H_D#10 D[11]# D[43]# H_D#42
W2 D24 V24




s
A[10]# D[10]# D[42]#




DATA GROUP 0
H_A#9 H_D#9 H_D#41




2
T4 A[9]# B24 D[9]# D[41]# U26
H_A#8 W1 A7 TPC28t 1 T214 H_D#8 C20 AA23 H_D#40




DATA GROUP
H_A#7 A[8]# DBR# H_D#7 D[8]# D[40]# H_D#39
V2 A[7]# B20 D[7]# D[39]# R23
H_A#6 R3 H_D#6 A21 R26 H_D#38
A[6]# D[6]# D[38]#




ic
H_A#5 V3 H_D#5 B26 R24 H_D#37
H_A#4 A[5]# H_D#4 D[5]# D[37]# H_D#36
U4 A[4]# DEFER# L4 H_DEFER# 6 A24 D[4]# D[36]# V23
H_A#3 P4 H2 H_D#3 B21 U23 H_D#35
A[3]# DRDY# H_DRDY# 6 D[3]# D[35]#
U3 M2 H_D#2 A22 T25 H_D#34
6 H_ADSTB#0 ADSTB[0]# DBSY# H_DBSY# 6 D[2]# D[34]#
H_REQ#4 T1 H_D#1 A25 AA24 H_D#33




t
H_REQ#3 REQ[4]# H_D#0 D[1]# D[33]# H_D#32
P1 REQ[3]# A19 D[0]# D[32]# Y26
H_REQ#2 T2 D25 T24
REQ[2]# 6 H_DINV#0 DINV[0]# DINV[2]# H_DINV#2 6
H_REQ#1 P3 C23 W25
REQ[1]# 6 H_DSTBN#0 DSTBN[0]# DSTBN[2]# H_DSTBN#2 6
H_REQ#0 R2 C22 W24
REQ[0]# 6 H_DSTBP#0 DSTBP[0]# DSTBP[2]# H_DSTBP#2 6
N4




a
H_BR0# 6




CONTROL
BR0# H_D#31 H_D#63
6 H_REQ#[4..0] K25 D[31]# D[63]# AF26
H_D#30 N25 AF22 H_D#62
H_IERR# R44 r0402 56Ohm H_D#29 D[30]# D[62]# H_D#61
IERR# A4 +VCCP H26 D[29]# D[61]# AF25
H_D#28 M25 AD21 H_D#60
6 H_A#[31..17] D[28]# D[60]#
H_A#31 AF1 H_D#27 N24 AE21 H_D#59
H_A#30 A[31]# H_D#26 D[27]# D[59]# H_D#58
AE1 B5 H_INIT# 18 L26 AF20




3
A[30]# INIT# D[26]# D[58]#




DATA GROUP 1
H_A#29 AF3 H_D#25 J25 AD24 H_D#57
A[29]# D[25]# D[57]#




m
H_A#28 H_D#24 H_D#56




DATA GROUP
AD6 M23 AF23

ADDRESS GROUP 1
H_A#27 A[28]# H_D#23 D[24]# D[56]# H_D#55
AE2 A[27]# LOCK# J2 H_LOCK# 6 J23 D[23]# D[55]# AE22
H_A#26 AD5 H_D#22 G24 AD23 H_D#54
H_A#25 A[26]# TPC28t T38 H_D#21 D[22]# D[54]# H_D#53
AC6 A[25]# 1 F25 D[21]# D[53]# AC25
H_A#24 AB4 H_D#20 H24 AC22 H_D#52




e
C
H_A#23 A[24]# R25 2 / 1 54.9Ohm 1% H_D#19 D[20]# D[52]# H_D#51 C
AD2 A[23]# +VCCP M26 D[19]# D[51]# AC20
H_A#22 AE4 H_D#18 L23 AB24 H_D#50
H_A#21 A[22]# H_D#17 D[18]# D[50]# H_D#49
AD3 A[21]# RESET# B11 H_CPURST# 6 G25 D[17]# D[49]# AC23
H_A#20 AC3 L2 H_RS#2 H_D#16 H23 AB25 H_D#48
H_A#19 A[20]# RS[2]# H_RS#1 D[16]# D[48]#
AC7 K1 J26 AD20




h
A[19]# RS[1]# 6 H_DINV#1 DINV[1]# DINV[3]# H_DINV#3 6
H_A#18 AC4 H1 H_RS#0 K24 AE24
A[18]# RS[0]# 6 H_DSTBN#1 DSTBN[1]# DSTBN[3]# H_DSTBN#3 6
H_A#17 AF4 L24 AE25
A[17]# H_RS#[0..2] 6 6 H_DSTBP#1 DSTBP[1]# DSTBP[3]# H_DSTBP#3 6
6 H_ADSTB#1 AE5 ADSTB[1]# TRDY# M3 H_TRDY# 6
SOCKET479P




c
HIT# K3 H_HIT# 6
6 H_DPWR# C19 DPWR# HITM# K4 H_HITM# 6
SOCKET479P




-s
Layout note:
U48C
COMP0 and COMP2 need to be Zo=27.4ohm traces.
21 CLK_CPU_BCLK B15 BCLK[0]
B14 Best estimate is 18mil wide trace for outer layers and
HOSTCLK




21 CLK_CPU_BCLK# BCLK[1]
R20 2 r0402 1 49.9Ohm 1% A16 AB1 H_COMP3 R39 2 1 54.9Ohm 1% 14mil if on internal layer. See RDDP of Banias.
R21 2 r0402 1 49.9Ohm 1% ITP_CLK[0] COMP[3] H_COMP2 R40 1 27.4Ohm
A15 AB2 2
ITP_CLK[1] COMP[2]
P26 H_COMP1 R5232 1 54.9Ohm 1% Traces should be shorter than 0.5". Refer to latest CS layout
COMP[1] H_COMP0 R524 27.4Ohm
C2 P25 1 2




p
18 H_A20M# A20M# COMP[0]
GND D3 COMP1, COMP3 should be routed as Zo=55ohm
18 H_FERR# FERR#
LEGACY CPU




A3 GND
18 H_IGNNE# IGNNE# traces shorter than 0.5"
18 H_DPSLP# B7 DPSLP# BPM[3]# C9
6,18 H_CPUSLP# A6 SLP# BPM[2]# A9
D1 B8 +VCCP




o
18 H_INTR LINT0 BPM[1]#
18 H_NMI D4 LINT1 BPM[0]# C8
18 H_SMI# B4 SMI#




2

t
T28 1 TPC28t C6
18 H_STPCLK# STPCLK#
B R522 120mA / 20mil B
E4 AC1 1KOhm FSB 400MHz -> 1.8V
18 H_PWRGD PWRGOOD GTLREF[3] 1% +1.8VS_VCCA
GTLREF[2] G1 H_DPRSTP# 18 FSB 533MHz -> 1.5V
H_VID5 H4 E26 r0402




p
H_VID4 VID[5] GTLREF[1] GTL_REF0




1
G4 VID[4] GTLREF[0] AD26
H_VID3 G3 +1.8VS_VCCA
VID[3]




2
H_VID2 F3
H_VID1 VID[2] r0402 R521
F2 VID[1]
H_VID0 E2 C5 R45 1 / 2 1KOhm 2KOhm +1.8VS_PROC




la
VID[0] TEST1 R108 1 / 1% +1.8VS_PROC
TEST2 F23 2 1KOhm
+VCCP
MISC




r0402 r0402




1




1




1




1




1




1




1




1
+1.8VS_VCCA + + + +
1
AC26 VCCA[3]
N1 GND C656 C61 C662 C56
VCCA[2]




.
B1 A13 R32 1 2 27.4Ohm GND 10uF/10V C652 10uF/10V C653 10uF/10V C68 10uF/10V C66
+1.8VS_PROC VCCA[1] TCK R18 150Ohm c0805 0.01UF c0805 0.01UF c0805 0.01UF c0805 0.01UF




2




2




2




2
F26 VCCA[0] TDI C12 1 2
R24 / 1 54.9Ohm 1% c0402 c0402 c0402 c0402




2




2




2




2
TDO A12 2
B18 C11 R23 1 2 39Ohm
5 CPU_THRM_DA THERMDA TMS
A18 B13 R30 1 2 8.2KOhm GND GND GND GND GND GND GND GND
5 CPU_THRM_DC THERMDC TRST#
7,18 PM_THRMTRIP# C17 THERMTRIP#
H_PROCHOT_S# B17 1% Place near CPU pin




w
PROCHOT#
VCCSENSE AE7 VCCSENSE R487 2 / 1 54.9Ohm
44 PM_PSI# E1 RSVD5 GND
T50 1 TPC28t C16
T27 RSVD4
1 TPC28t C3 RSVD3
T42 1 TPC28t C14
T217 RSVD2
1 TPC28t AF7 RSVD1
1%




w
T211 1 TPC28t B2 RSVD0 VSSSENSE AF6 VSSSENSE R484 2 / 1 54.9Ohm

SOCKET479P H_PWRGD R42 1 r0402 2 200Ohm 1% +VCCP
GND H_PROCHOT_S# R22 r0402 56Ohm
A A

A-STEP B-STEP Dothan FSB533




w
H_VID5 1 2 RN2A
Min Typ Max H_VID4
0Ohm
RN2B
VR_VID5 44
Bclk FSB BSEL1 BSEL0 BSEL0 VCCA 1.425V 1.5V 1.575V H_VID3
3 0Ohm 4
RN2C