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5 4 3 2 1
T12Eg Main BD. R2.0 BLOCK DIAGRAM
CLOCK GEN.
ICS9LPR363CGLF-T
D D
Merom CPU PAGE 29
FAN + Thermal sensor
478B uFCPGA
PAGE 3,4 PAGE 50
FSB 800 MHz
LVDS
PAGE 46
CRT CRESTLINE DDR-II
DDR2 667MHz
SiI1962A
PAGE 45
965GM SO-DIMM X 2
SDVO * 1 PAGE 7,8,9
DVI SDVO to 1466 FCBGA
PAGE 45
DVI LPFQ48 PAGE
C
PAGE 18
10,11,12,13,14,15,16
DMI *4 MiniCard MiniCard C
WLAN Conn. Robson Conn.
PCIE *4 PAGE 53 PAGE 53
ESATA New Card
Azalia ICH8-M Conn Conn
MDC PAGE 66 PAGE 43
PAGE 34,35
PCI*2
10/100/1000 LAN VCORE
LPC
RTL8110SCL PAGE 80
ALC660 652 BGA
PAGE 33,34
SYSTEM
PAGE PAGE 81
PAGE 36 20,21,22,23,24
1394 IO_1.5VS_1.05VS
PAGE 42
B
CardBus PAGE 82 B
TPM RICOH R5C832 Card IO_DDR_VTT
Reader
Module PAGE 62
PAGE 40, 41
PAGE 42
PAGE 83
IO_1.25VS
PAGE 84
CardBus CardBus
T/P RICOH R5C841 SHUTDOWN
PAGE 87
PAGE 32 PAGE 64 PAGE 65
CHARGER
CIR EC PAGE 88
PAGE 32
ITE8511 Bluetooth DETECT
PAGE 90
SATA PAGE 61
PAGE 30,31,32 HDD USB2.0 Bus CMOS LOAD SWITCH
PAGE 91
PAGE 51
Camera
A PAGE 39
PROTECT A
IDE Default Group-CLKGEN
PAGE 92
ODD USB ports Title : BLOCK DIAGRAM
PAGE 51
X 4 ASUSTeK COMPUTER INC Engineer: Miller Liu
Size Project Name Rev
PAGE 52
Custom T12Eg 2.0
Date: , 13, 2007 Sheet 1 of 94
5 4 3 2 1
5 4 3 2 1
Reset 6 Power On
PWRSW#_EC
SWITCH
IC
D D
2
+5VA 9
AC_BAT_SYS 1 7 PM_PWRBTN# SLP_S3#
+3VA_EC
+3VA EC
+3VA_EC 5 PM_RSMRST# ICH8 SLP_S4# 8
IT8511E
3 VSUS_ON
VRMPWRGD
EC_CLK_EN
CL_PWROK
15 PWROK
+3VSUS 4 VSUS_GD#
+5VSUS
+12VSUS
C
10 18 18 C
SUSC_EC#
+1.8V
+3V
+5V
+12V 19
H_CPURST#
12 17 965GM Merom
CL_PWROK
ICH8_PWROK
PWROK
14
+0.9VS
B
+1.5VS 16 B
+1.25VS
CLK_PWRGD
+2.5VS CLK
11 +3VS Gen.
+5VS CLK_PWRGD asserted when both
SUSB_EC1#
+12VS PM_SUSB# and VRM_PWRGD are
high.
Delay
99ms
13 CPU_VRON Power On Sequence
+VCORE
1 19
A A
Default Group-CLKGEN
Title : PowerOn sequence
ASUSTeK COMPUTER INC Engineer: Miller Liu
Size Project Name Rev
Custom T12EG 2.0
Date: , 13, 2007 Sheet 2 of 94
5 4 3 2 1
5 4 3 2 1
10 H_D#[63:0] H_D#[63:0]
H_A#[35:3]
10 H_A#[35:3]
D D
10 H_REQ#[4:0] H_REQ#[4:0]
1 T0318
1 T0319
TPC26T
TPC26T
U0301A U0301B
H_A#3 J4 H1 H_D#0 E22 Y22 H_D#32
A[3]# ADS# H_ADS# 10 D[0]# D[32]#
H_A#4 L5 E2 H_D#1 F24 AB24 H_D#33
A[4]# BNR# H_BNR# 10 D[1]# D[33]#
H_A#5 L4 G5 H_D#2 E26 V24 H_D#34
A[5]# BPRI# H_BPRI# 10 D[2]# D[34]#
H_A#6 K5 H_D#3 G22 V26 H_D#35
H_A#7 A[6]# H_D#4 D[3]# D[35]# H_D#36
M3 A[7]# DEFER# H5 H_DEFER# 10 F23 D[4]# D[36]# V23
H_A#8 N2 F21 H_D#5 G25 T22 H_D#37
A[8]# DRDY# H_DRDY# 10 D[5]# D[37]#
H_A#9 J1 E1 H_D#6 E25 U25 H_D#38
A[9]# DBSY# H_DBSY# 10 D[6]# D[38]#
H_A#10 N3 H_D#7 E23 U23 H_D#39
H_A#11 A[10]# H_D#8 D[7]# D[39]# H_D#40
P5 A[11]# BR0# F1 H_BR0# 10 K24 D[8]# D[40]# Y25
H_A#12 P2 H_D#9 G24 W22 H_D#41
H_A#13 A[12]# H_IERR# R0309 56Ohm H_D#10 D[9]# D[41]# H_D#42
L2 A[13]# IERR# D20 +VCCP_CPU J24 D[10]# D[42]# Y23
H_A#14 P4 B3 H_D#11 J23 W24 H_D#43
A[14]# INIT# H_INIT# 20 D[11]# D[43]#
H_A#15 P1 H_D#12 H22 W25 H_D#44
H_A#16 A[15]# H_D#13 D[12]# D[44]# H_D#45
R1 A[16]# LOCK# H4 H_LOCK# 10 F26 D[13]# D[45]# AA23
M1 H_D#14 K22 AA24 H_D#46
10 H_ADSTB#0 ADSTB[0]# D[14]# D[46]#
C1 H_D#15 H23 AB25 H_D#47
RESET# H_CPURST# 10 D[15]# D[47]#
H_REQ#0 K3 F3 J26 Y26
REQ[0]# RS[0]# H_RS#0 10 10 H_DSTBN#0 DSTBN[0]# DSTBN[2]# H_DSTBN#2 10
H_REQ#1 H2 F4 H26 AA26
REQ[1]# RS[1]# H_RS#1 10 10 H_DSTBP#0 DSTBP[0]# DSTBP[2]# H_DSTBP#2 10
H_REQ#2 K2 G3 H25 U22
REQ[2]# RS[2]# H_RS#2 10 10 H_DINV#0 DINV[0]# DINV[2]# H_DINV#2 10
H_REQ#3 J3 G2
REQ[3]# TRDY# H_TRDY# 10
C H_REQ#4 L1 C
REQ[4]# H_D#16 H_D#48
HIT# G6 H_HIT# 10 N22 D[16]# D[48]# AE24
H_A#17 Y2 E4 H_D#17 K25 AD24 H_D#49
A[17]# HITM# H_HITM# 10 D[17]# D[49]#
H_A#18 U5 H_D#18 P26 AA21 H_D#50
H_A#19 A[18]# T0322 TPC26T H_D#19 D[18]# D[50]# H_D#51
R3 A[19]# BPM[0]# AD4 1 R23 D[19]# D[51]# AB22
H_A#20 W6 AD3 XDP_BPM#1 H_D#20 L23 AB21 H_D#52
H_A#21 A[20]# BPM[1]# T0323 TPC26T H_D#21 D[20]# D[52]# H_D#53
U4 A[21]# BPM[2]# AD1 1 M24 D[21]# D[53]# AC26
H_A#22 Y5 AC4 1 T0324 TPC26T H_D#22 L22 AD20 H_D#54
H_A#23 A[22]# BPM[3]# T0325 TPC26T H_D#23 D[22]# D[54]# H_D#55
U1 A[23]# PRDY# AC2 1 M23 D[23]# D[55]# AE22
H_A#24 R4 AC1 H_PREQ# H_D#24 P25 AF23 H_D#56
H_A#25 A[24]# PREQ# H_TCK H_D#25 D[24]# D[56]# H_D#57
T5 A[25]# TCK AC5 P23 D[25]# D[57]# AC25
H_A#26 T3 AA6 H_TDI +VCCP_CPU H_D#26 P22 AE21 H_D#58 Comp0,2 connect with Zo=27.4 ohm,
H_A#27 A[26]# TDI H_TDO H_D#27 D[26]# D[58]# H_D#59
W2 A[27]# TDO AB3 T24 D[27]# D[59]# AD21 make trace length shorter than 0.5".
H_A#28 W5 AB5 H_TMS H_D#28 R24 AC22 H_D#60 Comp 1,3 connect with Z0=55 ohm,
H_A#29 A[28]# TMS H_TRST# H_D#29 D[28]# D[60]# H_D#61
Y4 A[29]# TRST# AB6 L25 D[29]# D[61]# AD23 make trace length shorter than 0.5".
H_A#30 U2 C20 H_DBR# H_D#30 T25 AF22 H_D#62
H_A#31 A[30]# DBR# R0315 H_D#31 D[30]# D[62]# H_D#63
V4 A[31]# N25 D[31]# D[63]# AC23
H_A#32 W3 1KOhm L26 AE25
A[32]# 10 H_DSTBN#1 DSTBN[1]# DSTBN[3]# H_DSTBN#3 10
H_A#33 AA4 THERMAL 1% M26 AF24
A[33]# 10 H_DSTBP#1 DSTBP[1]# DSTBP[3]# H_DSTBP#3 10
H_A#34 AB2 N24 AC20
A[34]# 10 H_DINV#1 DINV[1]# DINV[3]# H_DINV#3 10
H_A#35 AA3 D21 H_PROCHOT_S#
A[35]# PROCHOT# GTL_REF H_COMP0 R0311
10 H_ADSTB#1 V1 ADSTB[1]# THRMDA A24 CPU_THRM_DA 50 AD26 GTLREF COMP[0] R26 1 2 27.4Ohm 1%
T0320 1 B25 R0317 2 @ 1% 1 1KOhm C23 MISC U26 H_COMP1 R0312 1 2 54.9Ohm 1%
THRMDC CPU_THRM_DC 50 TEST1 COMP[1]
TPC26T A6 R0318 2 @ 1% 1 1KOhm D25 AA1 H_COMP2 R0313 1 2 27.4Ohm 1%
20 H_A20M# A20M# TEST2 COMP[2]
A5 C7 C0301 R0316 C24 Y1 H_COMP3 R0314 1 2 54.9Ohm 1%
20 H_FERR# FERR# THERMTRIP# PM_THRMTRIP# 11,20 TEST3 COMP[3]
C4 0.1UF/10V 2KOhm TPC26T T0305 1 AF26
20 H_IGNNE# IGNNE# TEST4
T0321 1 X7R 1% TPC26T T0306 1 AF1 E5
TEST5 DPRSTP# H_DPRSTP# 11,20,80
TPC26T D5 1 T0326 TPC26T A26 B5 GND
20 H_STPCLK# STPCLK# TEST6 DPSLP# H_DPSLP# 20
20 H_INTR C6 LINT0 H CLK DPWR# D24 H_DPWR# 10
B 20 H_NMI B4 LINT1 BCLK[0] A22 CLK_CPU_BCLK 29 29 CPU_BSEL0 B22 BSEL[0] PWRGOOD D6 H_PWRGD 20 B
A3 A21 GND GND GND B23 D7
20 H_SMI# SMI# BCLK[1] CLK_CPU_BCLK# 29 29 CPU_BSEL1 BSEL[1] SLP# H_CPUSLP# 10
29 CPU_BSEL2 C21 BSEL[2] PSI# AE6 PM_PSI# 80
TPC26T T0308 1 M4
TPC26T T0309 RSVD1 T0327 TPC26T Zo=55 ohm, 0.5" max SOCKET478B
1 N5 RSVD2 1
TPC26T T0310 1 T2 for GTLREF
TPC26T T0311 RSVD3
1 V3 RSVD4
TPC26T T0312 1 B2
TPC26T T0313 RSVD5
1 C3 RSVD6
TPC26T T0314 1 D2
TPC26T T0315 RSVD7
1 D22 RSVD8
TPC26T T0316 1 D3
TPC26T T0317 RSVD9
1 F6 RSVD10
Default Strapping When Not Used +VCCP_CPU
SOCKET478B +VCCP_CPU
XDP_BPM#1 R0301 1 @ 2 54.9Ohm 1% R0310
H_PREQ# R0302 1 2 54.9Ohm 1% 68Ohm M0102
H_TDI R0303 1 2 150Ohm 1%
H_TDO R0304 1 @ 2 54.9Ohm 1%
H_TMS R0305 1 2 39Ohm 5% R0319 0Ohm
H_PROCHOT_S# 1 2 PWRLIMIT# 30,88
H_DBR# R0306 1 @ 2 1KOhm 1%
+3VS 3
D Q0301
H_TCK R0307 1 2 27.4Ohm 1% 2N7002
H_TRST# R0308 1 2 649Ohm 1%
11
THRO_CPU 30
G
M1024 GND S 2
A A
Default Group-CLKGEN
GND
Title : MEROM CPU (1)
ASUSTeK COMPUTER INC Engineer: Miller Liu
Size Project Name Rev
Custom T12Eg 2.0
Date: , 13, 2007 Sheet 3 of 94
5 4 3 2 1
5 4 3 2 1
Decoupling guide from INTEL
+VCCP_CPU +VCORE
VCORE 22uF/10V * 32pcs
330uF/2V * 6pcs
VCCP 0.1uF * 6pcs for CPU
150uF * 1pcs for CPU + +
CE0401 CE0402
100UF/2.5V 330UF/2V
D
+VCCP Decoupling Capacitor D
+VCORE +VCORE
+VCORE A4
U0301D
VSS1 VSS82 P6
(Place near CPU) GND GND
U0301C (CPU core power) A8 P21
VSS2 VSS83
A7 AB20 A11 P24
A9
VCC1 VCC68
AB7
Max: 44000mA A14
VSS3 VSS84
R2
VCC2 VCC69 VSS4 VSS85 +VCCP
A10 VCC3 VCC70 AC7 A16 VSS5 VSS86 R5
A12 AC9 A19 R22 +VCCP_CPU
VCC4 VCC71 VSS6 VSS87 JP0401
A13 VCC5 VCC72 AC12 A23 VSS7 VSS88 R25
A15 VCC6 VCC73 AC13 AF2 VSS8 VSS89 T1 1 2
A17 VCC7 VCC74 AC15 B6 VSS9 VSS90 T4
A18 AC17 B8 T23 SHORT_PIN
VCC8 VCC75 VSS10 VSS91 @ C0401 C0402 C0403 C0404 C0405 C0406
A20 VCC9 VCC76 AC18 B11 VSS11 VSS92 T26
B7 AD7 B13 U3 0.1UF/10V 0.1UF/10V 0.1UF/10V 0.1UF/10V 0.1UF/10V 0.1UF/10V
VCC10 VCC77 VSS12 VSS93 X7R X7R X7R X7R X7R X7R
B9 VCC11 VCC78 AD9 B16 VSS13 VSS94 U6
B10 VCC12 VCC79 AD10 B19 VSS14 VSS95 U21
B12 VCC13 VCC80 AD12 B21 VSS15 VSS96 U24
B14 VCC14 VCC81 AD14 B24 VSS16 VSS97 V2
B15 VCC15 VCC82 AD15 C5 VSS17 VSS98 V5
B17 VCC16 VCC83 AD17 C8 VSS18 VSS99 V22
B18 AD18 C11 V25 GND
VCC17 VCC84 VSS19 VSS100
B20 VCC18 VCC85 AE9 C14 VSS20 VSS101 W1
C9 VCC19 VCC86 AE10 C16 VSS21 VSS102 W4
C10 VCC20 VCC87 AE12 C19 VSS22 VSS103 W23
C12 VCC21 VCC88 AE13 C2 VSS23 VSS104 W26
C13 VCC22 VCC89 AE15 C22 VSS24 VSS105 Y3
C15 VCC23 VCC90 AE17 C25 VSS25 VSS106 Y6
C17 AE18 D1 Y21 +VCORE
VCC24 VCC91 VSS26 VSS107
C C18 VCC25 VCC92 AE20 D4 VSS27 VSS108 Y24 C
D9 VCC26 VCC93 AF9 D8 VSS28 VSS109 AA2
D10 VCC27 VCC94 AF10 D11 VSS29 VSS110 AA5
D12 VCC28 VCC95 AF12 D13 VSS30 VSS111 AA8
D14 VCC29 VCC96 AF14 D16 VSS31 VSS112 AA11
D15 AF15 +VCCP_CPU D19 AA14 C0407 C0408 C0409 C0410 C0411 C0412
VCC30 VCC97 VSS32 VSS113 10UF/6.3V 10UF/6.3V 10UF/6.3V 10UF/6.3V 10UF/6.3V 10UF/6.3V
D17 VCC31 VCC98 AF17 (CPU AGTL+ power) D23 VSS33 VSS114 AA16
D18 AF18 D26 AA19 X5R X5R X5R X5R X5R X5R
E7
VCC32 VCC99
AF20
Max: 2500mA E3