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A B C D E
A8N_A8Dc AMD/MCP67MV/MCP67D BLOCK DIAGRAM
BATTERY
1
Sub block Diagram / TYPE
1
BOM option 3S2P
64
POWER
SEQENCE
2
CPU
CPU .... CAP 5
DDR2 533/667/800
AMD Turion 64 F/G SODIMM X2 DDR
LFB LFB LFB LFB
3,4
DDR2 SDRAM +1.8V
.... CAP/RES
9
+0.9VS
2
DVI Dual HOST BUS 533/667/800 MHz 7,8 2
CH. 47
Nvidia PCI-E
CRT & TV
VGA NB8x series VGA x16 DCIN
CON 46
CON ATI CON RTC
M7x series FAN CON.
LVDS & INV VGA BAORD 70
CON 45
THERMAL
MCP67MV/D CONTROL 50
VCORE USB2.0
USB x4 PCI EXPRESS X1
3 52 SATA 3
SYSTEM
PCI_BUS 3.3V, 33MHz
1.5VS & 1.05VS B/T
PATA
ACZ
61
SATA ODD 11~24
HDD Master CARDBUS LAN 1G MINI CARD NEW
DDR & VTT x2 CARD
Camera 51 51 4 IN 1 RICOH RTL8111B
FingerPrint R5C833 53 43
CARD 33
68 READER
+3VAO & +2.5VS
LPC, 33MHz 42
RJ11,RJ45
CHARGER Azalia
LAN IO CON
4 ALC660 34 4
PIC
TPM 62
KBC Module
OP MDC SW & LED
DETECT IT8511E TPA0212 CON 56
34
KB NEW CARD
PROTECT (DEBUG)
67 60
ISA
ROM AC & BAT CON
USB x1 FAN CTRL
LOAD SWITCH PHONE
55
T/P SIO 50
5 FLOWCHART 30,31 LPC47N217 5
1394
MIC_IN
SLOT Title : BLOCKDIAGRAM
40 Engineer:
ASUSTeK COMPUTER INC
SIGNAL Allen_CD Wu
FIR Size Project Name Rev
Custom A8N_A8Dc 1.0
Date: , 01, 2007 Sheet 1 of 94
A B C D E
5 4 3 2 1
Reset
IC
PWR_SW# 6 Power On
2 SWITCH
D D
+5VA
AC_BAT_SYS 1 5 PWRGD_SB
+3VA_EC SLP_S4#
+3VA EC PWRGD_SB
To EC
+3VA_EC 7 PM_PWRBTN#
IT8511E SLP_S3#
3 VSUS_ON
+1.2VSUS
+3VSUS 4 SUS_PWRGD
+5VSUS
+12VSUS
14
C
8 13 PM_PWROK
C
PWRGD
SUSC_ON
+1.5V
+1.8V
+3V 15
+5V MCP67MV/D
+12V HT_CPU_RESET#
10 Merom
12
+0.9VS
+1.2VSP
+1.2VS
B
+1.25VS 11 B
+1.5VS
+1.8VS
9 +2.5VS
+3VS
SUSB_ON
+5VS
+12VS
Power On Sequence
1 15
A
+VCORE A
Title : PowerOn sequence
ASUSTeK COMPUTER INC Engineer:
Size Project Name Rev
Custom A8N_A8Dc 1.0
Date: , 01, 2007 Sheet 2 of 94
5 4 3 2 1
5 4 3 2 1
U201A
10 HT_CPU_RX_CLK1 J5 L0_CLKIN_H1 L0_CLKOUT_H1 Y4 HT_CPU_TX_CLK1 10
10 HT_CPU_RX_CLK#1 K5 L0_CLKIN_L1 L0_CLKOUT_L1 Y3 HT_CPU_TX_CLK#1 10
10 HT_CPU_RX_CLK0 J3 L0_CLKIN_H0 L0_CLKOUT_H0 Y1 HT_CPU_TX_CLK0 10
10 HT_CPU_RX_CLK#0 J2 L0_CLKIN_L0 L0_CLKOUT_L0 W1 HT_CPU_TX_CLK#0 10
CHANGE 1211-06 HT_CPU_RXCTL1 P3 T5
HT_CPU_RXCTL#1 L0_CTLIN_H1 L0_CTLOUT_H1 CHANGE 1211-06
P4 R5
L0_CTLIN_L1 L0_CTLOUT_L1
10 HT_CPU_RXCTL0 N1 R2 HT_CPU_TXCTL0 10
L0_CTLIN_H0 L0_CTLOUT_H0
10 HT_CPU_RXCTL#0 P1 R3 HT_CPU_TXCTL#0 10
L0_CTLIN_L0 L0_CTLOUT_L0
10 HT_CPU_RXD15 N5 T4 HT_CPU_TXD15 10 0.04A
L0_CADIN_H15 L0_CADOUT_H15
10 HT_CPU_RXD#15 P5 T3 HT_CPU_TXD#15 10
L0_CADIN_L15 L0_CADOUT_L15 +2.5VS Irat=1A
10 HT_CPU_RXD14 M3 V5 HT_CPU_TXD14 10
L0_CADIN_H14 L0_CADOUT_H14
10 HT_CPU_RXD#14 M4 U5 HT_CPU_TXD#14 10
L0_CADIN_L14 L0_CADOUT_L14 L201
D 10 HT_CPU_RXD13 L5
L0_CADIN_H13 L0_CADOUT_H13
V4 HT_CPU_TXD13 10 40mA D
M5 V3 30Ohm/100Mhz 1 2
10 HT_CPU_RXD#13 L0_CADIN_L13 L0_CADOUT_L13 HT_CPU_TXD#13 10
10 HT_CPU_RXD12 K3 Y5 HT_CPU_TXD12 10
L0_CADIN_H12 L0_CADOUT_H12 C207 C203
10 HT_CPU_RXD#12 K4 W5 HT_CPU_TXD#12 10
L0_CADIN_L12 L0_CADOUT_L12 10UF/10V 10UF/10V C204 C205 C206
10 HT_CPU_RXD11 H3 AB5 HT_CPU_TXD11 10
L0_CADIN_H11 L0_CADOUT_H11
10 HT_CPU_RXD#11 H4 AA5 HT_CPU_TXD#11 10
L0_CADIN_L11 L0_CADOUT_L11 4.7UF/6.3V 0.22UF/16V 3300PF/25V
10 HT_CPU_RXD10 G5 L0_CADIN_H10 AB4 HT_CPU_TXD10 10
L0_CADOUT_H10
10 HT_CPU_RXD#10 H5 L0_CADIN_L10 L0_CADOUT_L10 AB3 HT_CPU_TXD#10 10
10 HT_CPU_RXD9 F3 L0_CADIN_H9 L0_CADOUT_H9 AD5 HT_CPU_TXD9 10
10 HT_CPU_RXD#9 F4 L0_CADIN_L9 L0_CADOUT_L9 AC5 HT_CPU_TXD#9 10
E5 AD4 GND GND GND
10 HT_CPU_RXD8 L0_CADIN_H8 L0_CADOUT_H8 HT_CPU_TXD8 10
10 HT_CPU_RXD#8 F5 L0_CADIN_L8 L0_CADOUT_L8 AD3 HT_CPU_TXD#8 10
HYPERTRANSPORT
10 HT_CPU_RXD7 N3 L0_CADIN_H7 L0_CADOUT_H7 T1 HT_CPU_TXD7 10
10 HT_CPU_RXD#7 N2 L0_CADIN_L7 L0_CADOUT_L7 R1 HT_CPU_TXD#7 10
L1 U2 C201
10 HT_CPU_RXD6 L0_CADIN_H6 L0_CADOUT_H6 HT_CPU_TXD6 10
10 HT_CPU_RXD#6 M1 L0_CADIN_L6 L0_CADOUT_L6 U3 HT_CPU_TXD#6 10 10 CPUCLK 2 1 3900PF/25V
L3 V1 +1.8V
10 HT_CPU_RXD5 L0_CADIN_H5 L0_CADOUT_H5 HT_CPU_TXD5 10
10 HT_CPU_RXD#5 L2 L0_CADIN_L5 L0_CADOUT_L5 U1 HT_CPU_TXD#5 10
10 HT_CPU_RXD4 J1 L0_CADIN_H4 L0_CADOUT_H4 W2 HT_CPU_TXD4 10 Place 169ohm no more than 500mils from CPU R217
K1 W3 169Ohm
10 HT_CPU_RXD#4 L0_CADIN_L4 L0_CADOUT_L4 HT_CPU_TXD#4 10
G1 AA2 1% U201D
10 HT_CPU_RXD3 L0_CADIN_H3 L0_CADOUT_H3 HT_CPU_TXD3 10
H1 AA3 C202
10 HT_CPU_RXD#3 L0_CADIN_L3 L0_CADOUT_L3 HT_CPU_TXD#3 10
10 HT_CPU_RXD2 G3 AB1 HT_CPU_TXD2 10 10 CPUCLK# 2 1 3900PF/25V +2.5VDDA F8
L0_CADIN_H2 L0_CADOUT_H2 VDDA1 R209
10 HT_CPU_RXD#2 G2 AA1 HT_CPU_TXD#2 10 F9
L0_CADIN_L2 L0_CADOUT_L2 VDDA2 300Ohm R210 R211
10 HT_CPU_RXD1 E1 AC2 HT_CPU_TXD1 10
L0_CADIN_H1 L0_CADOUT_H1 R218 1
10 HT_CPU_RXD#1 F1 AC3 HT_CPU_TXD#1 10 +1.8V 2 300Ohm CPUCLK_R A9 300Ohm 300Ohm
L0_CADIN_L1 L0_CADOUT_L1 +1.8V +1.8V R219 1 CLKIN_H
10 HT_CPU_RXD0 E3 AD1 HT_CPU_TXD0 10 +1.8V 2 300Ohm CPUCLK_R# A8
L0_CADIN_H0 L0_CADOUT_H0 R220 1 CLKIN_L
10 HT_CPU_RXD#0 E2 AC1 HT_CPU_TXD#0 10 +1.8V 2 300Ohm
L0_CADIN_L0 L0_CADOUT_L0
10 HT_CPU_PWRGD A7 A5 CPU_VID5 80
SOCKET638 PWROK VID5
10 HT_CPU_STOP# F10 C6 CPU_VID4 80
R225 R221 LDTSTOP_L VID4
10 HT_CPU_RESET# B7 A6 CPU_VID3 80
0105-07 300Ohm 300Ohm RESET_L VID3
A4 CPU_VID2 80
CHANGE VID2
+1.8V 1 R226 2 1KOhm CPU_PRESENT# AC6 C5 CPU_VID1 80
CPU_PRESENT_L VID1
B5 CPU_VID0 80
R240 1 0Ohm CPU_SIC_L VID0
14 CPU_SIC 2
0.5A R241 1 0Ohm 2 CPU_SID_L R201 1 @ 2 300Ohm CPU_SIC_L AF4 AF6 CPU_THERMTRIP#
14 CPU_SID SIC THERMTRIP_L
+1.2VS_HT CPU_SID_L AF5 AC7 1 R0301 2 CPU_PROCHOT#
GND SID PROCHOT_L 0Ohm
C C
1 CPU_TDI AF9 AE9 CPU_TDO 1 T213 TPC28T
R227 TDI TDO
2 1 49.9Ohm HT_CPU_RXCTL1 T215 TPC28T 1 CPU_TRST# AD9 TRST_L
T216 TPC28T 1 CPU_TCK AC9 MISC
R231 TCK
2 1 49.9Ohm HT_CPU_RXCTL#1 T217 TPC28T 1 CPU_TMS AA9 TMS
T218 TPC28T
1 CPU_DBREQ# E10 G10 CPU_DBRDY 1 T214 TPC28T
GND CHECK T219 TPC28T DBREQ_L DBRDY
CHANGE 1211-06 CPU_VDD_FB F6 W9 CPU_VDDIO_FB_H 1 T207 TPC28T
80 CPU_VDD_FB VDD_FB_H VDDIO_FB_H
CPU_VDD_FB# E6 Y9 CPU_VDDIO_FB_L 1 T208 TPC28T 0.5A
80 CPU_VDD_FB# VDD_FB_L VDDIO_FB_L CHANGE 0105-07
1 CPU_VTT_SENSE Y10 VTT_SENSE PSI_L A3 PSI# 80
+1.2VS_HT
T201 TPC28T
W17 P6 CPU_HTREF1 1 R212 2 44.2Ohm
R203 1 M_VREF HTREF1
+1.8V 2 39.2Ohm CPU_M_ZN AE10 M_ZN HTREF0 R6 CPU_HTREF0 1 R213 2 44.2Ohm
GND R204 1 2 39.2Ohm CPU_M_ZP AF10 M_ZP
15mils trace,20mil spece /Shorter than 6" R205 1 2 510Ohm E9 C9 CPU_TEST29 R214 GND
+1.8V TEST25_H TEST29_H
GND R206 1 2 510Ohm E8 C8 CPU_TEST29# 80.6Ohm
JP201 R207 300Ohm TEST25_L TEST29_L
1 2 G9
+1.8V CPU_VREF R208 300Ohm TEST19
1 2 1 2 H10
TEST18
AA7
L202 SHORT_PIN TEST13
C2
+5V GND TEST9 T209 TPC28T
1 2 AE7 1
GND TEST24 T210 TPC28T
1 D7 AD7 1
T202 TPC28T TEST17 TEST23 T211 TPC28T
120Ohm/100Mhz
T203 TPC28T
1
1
E7
F7
TEST16 TEST22
AE8
AB8 R215 1
1
2 300Ohm
check,F3T mount
C211 T204 TPC28T TEST15 TEST21 T212 TPC28T
1 C7 AF7 1
R229 0.1UF/25V T205 TPC28T TEST14 TEST20
1 AC8
2KOhm @ T206 TPC28T TEST12
J7
1% TEST28_H GND
C3 H8
U202 TEST7 TEST28_L
AA6 AF8
V+ GND R228 TEST6 TEST27 R216 1
1 + 50 CPU_THERM_DC W7 AE6 2 300Ohm +1.8V
check,F3T mount
CPU_M_VREF THERMDC TEST26
4 1 2 CPU_M_VREF 8 50 CPU_THERM_DA W8 THERMDA K8
10Ohm TEST10
3 - Y6 TEST3 TEST8 C4
V- @ AB6
R230 LMV321IDBVR C209 TEST2
2KOhm C212 @ C210 C208 SOCKET638
B B
1% 0.1UF/25V 39PF/50V 0.1UF/25V 1000PF/50V
GND +3VSUS
0103-07