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UBC1 0.1U/6/Y5V/25V/Z/X
UBC1 +USBP4 +FUSBP4 0.1U/6/Y5V/25V/Z/X
5 6
+USBP4
0.1U/6/Y5V/25V/Z F_USB1 UR2
0.1U/6/Y5V/25V/Z F_USB1 UR2 -USBP4
Nvidia comments. Mar.21, 2007 7 8 -FUSBP4
-USBP4
10K/4/X
10K/4/X
1 2
-FUSBP5 0/8P4R/SHT/X
3 4 -FUSBP4 0/8P4R/SHT/X
+FUSBP5 +FUSBP4
5 6
URN9
URN9
7 8
IUSBOC- UR3 0/4/X +USBP7 +FUSBP7
UR3 0/4/X
10 1 2 2006.05.26 EMI
-USBOC1
+USBP7
-USBP7
D 3 4 -FUSBP7
D
-USBP7
PH/2*5K9/YL/2.54/VA/D UBC4 0.1U/6/Y5V/25V/Z/X
PH/2*5K9/YL/2.54/VA/D +USBP6 +FUSBP6 UBC4 0.1U/6/Y5V/25V/Z/X
5 6
+USBP6 VCC VCC3
-USBP6
7 8 -FUSBP6
-USBP6
0/8P4R/SHT/X SBC7 0.01U/4/X7R/16V/K/X
0/8P4R/SHT/X SBC7 0.01U/4/X7R/16V/K/X
VCC3
EMI RETURN PATH PCICLK
URN11
URN11
+USBP8 +FUSBP8 UR5 0/6/X UR6 2.2/6
UR5 0/6/X UR6 2.2/6
1 2
+USBP8
-USBP8
3 4 -FUSBP8
-USBP8
+USBP9 +FUSBP9
5 6 1116 EMI
+USBP9
-USBP9
7 8 -FUSBP9
Audio issue, change to 0/6/X
-USBP9
0/8P4R/SHT/X R132 0/6/SHT/X
0/8P4R/SHT/X R132 0/6/SHT/X
F_USB2 F7 SMD1812P160/8V
F7 SMD1812P160/8V
5VDUAL
20050629 EMI
UBC2 R167 0/6/SHT/X
UBC2 R167 0/6/SHT/X
0.1U/6/Y5V/25V/Z/X F_USB2
0.1U/6/Y5V/25V/Z/X F_USB2
R169 0/4/SHT/X
R169 0/4/SHT/X
1 2
-FUSBP7
3 4 -FUSBP6
20060621 EMI
+FUSBP7 +FUSBP6
5 6 EMI DVI-KB
7 8
5VDUAL
IUSBOC-
10
1 PH/2*5K9/YL/2.54/VA/D
1 PH/2*5K9/YL/2.54/VA/D
+
+
UEC1
UEC1
1000U/D/6.3V/8C/30m
1000U/D/6.3V/8C/30m
C C
F_USB3
F6 SMD1812P160/8V
F6 SMD1812P160/8V
5VDUAL
FUSEVCC
F_USB3
F_USB3
UBC3
UBC3
1 2
-FUSBP8 0.1U/6/Y5V/25V/Z/X
3 4 -FUSBP9 0.1U/6/Y5V/25V/Z/X
+FUSBP8 +FUSBP9
5 6
BC684
BC684
7 8
IUSBOC-
10 0.1U/4/Y5V/16V/Z
0.1U/4/Y5V/16V/Z
SHIELD1
PH/2*5K9/YL/2.54/VA/D
PH/2*5K9/YL/2.54/VA/D
M1
DVI
DVI
TX0-
HDMI_TXD0N
17
HDMI_TXD0N
TX0+
HDMI_TXD0P
18
HDMI_TXD0P
TX1-
HDMI_TXD1N
9
17 9 1
17 9 1
HDMI_TXD1N DVI-30P-1
DVI-30P-1
TX1+
HDMI_TXD1P
10
HDMI_TXD1P COMMON
COMMON
TX2-
HDMI_TXD2N
1
HDMI_TXD2N
TX2+
HDMI_TXD2P
2
HDMI_TXD2P
SHLD24
3
SHLD13
VCC
11
SHLD05
19
B B
TX3-
12
TX3+
13
TX4-
4
TX4+
R91 R92
R91 R92
5
TX5-
2.2K/4 2.2K/4
2.2K/4 2.2K/4
20
TX5+
21
DDCC
DDCCLK_DVI R107 33/6 DVI_CLK
R107 33/6
6
DDCCLK_DVI
DDCD
DDCDATA_DVI R106 33/6 DVI_DATA
R106 33/6
7
DDCDATA_DVI
VDDC
14
GND
FUSEVCC R_USB FUSEVCC
R_USB
15
SHLDC
22
TXC-
HDMI_TXC0N
1 2 24
HDMI_TXC0N
TXC+
-USBP0 HDMI_TXC0P
3 7 5 3 1 4 -USBP1
7 5 3 1 23
HDMI_TXC0P
VSYNC
+USBP0 +USBP1
5 6 8
HPD
HPLUG_DET R111 3.6K/4 DVI_HPD
R111 3.6K/4
7 8 16
HPLUG_DET
24 16 8
24 16 8
8 6 4 2
8 6 4 2
R
C1
G
C2
B
USB/A/BK/S/RA/D/2
USB/A/BK/S/RA/D/2
C3
C3 C1
C3 C1
AGND1
R345 D47 BC7
R345 D47 BC7
C5
6.2K/4 BAV99/SOT23/300mA 0.1U/4/Y5V/16V/Z
6.2K/4 BAV99/SOT23/300mA 0.1U/4/Y5V/16V/Z
C5 C5A
C5 C5A
AGND2
C6
SOT23
SOT23 HSYNC
C4
C4 C2
C4 C2
SHIELD2
M2
VCC3
DVI-I/29P/SC/RA/D
DVI-I/29P/SC/RA/D
11NR6-501024-91R
+USBP1
+USBP1
-USBP1
A -USBP1 A
+USBP0
+USBP0
-USBP0
-USBP0
GIGABYTE
GIGABYTE
GIGABYTE
Title
Title
Title
USB PORT
USB PORT
USB PORT
Size Document Number Rev
Size Document Number Rev
Size Document Number Rev
Custom
Custom
Custom
GA-M68SM-S2L 1.0
GA-M68SM-S2L 1.0
GA-M68SM-S2L 1.0
Date: Sheet 23 of 29
Date: Sheet 23 of 29
Date: Sheet 23 of 29
8 7 6 5 4 3 2 1
9
12
11
10
3
2
1
5 4 3 2 1
CR2 20K/4/1
CR2 20K/4/1
AVDD
CBC2
CBC2
SPDIF
0.1U/6/Y5V/25V/Z
0.1U/6/Y5V/25V/Z
D D
CR7 2.2/8
CR7 2.2/8 FAUDIO_JD
VCC3
CU1 CBC3
CU1 CBC3
CBC48 4.7U/8/Y/16V/X
CBC48 4.7U/8/Y/16V/X
22u/12/X5R/6.3V/M ALC880/CMI9880
22u/12/X5R/6.3V/M ALC880/CMI9880
1 36
DVDD1 FRONT-R LINE_O_R
-ACZ_DET CR16 22/4
CR16 22/4
2 35
-ACZ_DET GPIO0/XTALI FRONT-L LINE_O_L
3 34
GPIO1/XTALO SENSE B (JD2)/FMIC1
VREFOUT2 CR105 8.2K/4
CR105 8.2K/4
4 33
DVS1 DCVOL/VREFVOUT2 AVDD
VODR CR13 8.2K/4
CR13 8.2K/4
5 32
ACZ_SDOUT MIC2
SDATA_OUT MIC1-VREFO-R/FMIC2
CR14 33/4
CR14 33/4 LINE2_VREFO
6 31
ACZ_BITCLK BIT_CLK LINE2-VREFO/JD4
MIC2_VREFO
7 30
DVSS2 MIC2-VREFO/AFILT2
CR15 22/4
CR15 22/4
8 29
ACZ_SDIN0 SDATA-IN LINE1-VREFO-L/AFILT1
VOBR CR17 8.2K/4
CR17 8.2K/4
9 28
DVDD2 MIC1-VREFO-L/VREFOUT MIC1
10 27
ACZ_SYNC
SYNC VREF
AVDD
11 26
-ACZ_RST RESET# AVSS1
12 25
PC_BEEP AVDD1
CBC4
CBC4
22P/4/N/50V/X
22P/4/N/50V/X
CBC5 CBC6
CBC5 CBC6
0.1U/4/Y5V/16V/Z 0.1U/4/Y5V/16V/Z
0.1U/4/Y5V/16V/Z 0.1U/4/Y5V/16V/Z
CBC7 CBC8
CBC7 CBC8
ALC662-GR/S 0.1U/6/Y5V/25V/Z
ALC662-GR/S 0.1U/6/Y5V/25V/Z
1U/6/Y5V/10V/Z
1U/6/Y5V/10V/Z
FRONT_JD CR19 5.1K/4/1 CBC9
CR19 5.1K/4/1 CBC9
FRONT_JD
C LINE1_JD CR20 10K/4/1 4.7U/8/Y/16V/X C
CR20 10K/4/1 4.7U/8/Y/16V/X
LINE1_JD
CBC10 4.7U/8/X5R/6.3V/K
CBC10 4.7U/8/X5R/6.3V/K
LINE_IN_R
MIC1_JD CR21 20K/4/1
CR21 20K/4/1
MIC1_JD
CBC11 4.7U/8/X5R/6.3V/K
CBC11 4.7U/8/X5R/6.3V/K
LINE_IN_L
CBC12 4.7U/8/X5R/6.3V/K
CBC12 4.7U/8/X5R/6.3V/K
MIC2
LINE2_L CBC13 4.7U/8/X5R/6.3V/K
CBC13 4.7U/8/X5R/6.3V/K
MIC1
LINE2_R CBC14 0.1U/6/Y5V/25V/Z
CBC14 0.1U/6/Y5V/25V/Z
CD_R
MIC2_L CBC15 0.1U/6/Y5V/25V/Z
CBC15 0.1U/6/Y5V/25V/Z
CDGND
MIC2_R CBC16 0.1U/6/Y5V/25V/Z
CBC16 0.1U/6/Y5V/25V/Z
CD_L
B B
CQ8 CR74 8.2K/4
CQ8 CR74 8.2K/4
LINE2_VREFO
CR75 8.2K/4
CR75 8.2K/4
INTEL FRONT AUDIO
BAT54A/SOT23/200mA
BAT54A/SOT23/200mA
VCC3
CQ9 CR76 8.2K/4
CQ9 CR76 8.2K/4
MIC2_VREFO
CR77 8.2K/4
CR77 8.2K/4
CR45 22K/4 CR78
CR45 22K/4 CR78
BAT54A/SOT23/200mA F_AUDIO
BAT54A/SOT23/200mA F_AUDIO
8.2K/4
8.2K/4
CR46 22K/4
CR46 22K/4
MIC2_L CBC45 4.7U/8/X5R/6.3V/K CR24 75/4
CBC45 4.7U/8/X5R/6.3V/K CR24 75/4
1 2
MIC2_R CBC44 4.7U/8/X5R/6.3V/K CR25 75/4 -ACZ_DET
CBC44 4.7U/8/X5R/6.3V/K CR25 75/4
3 4
LINE2_R CEC9 100U/D/10V/57 CR18 75/4 BACK_R CR79 20K/4/1 FAUDIO_JD
CEC9 100U/D/10V/57 CR18 75/4 CR79 20K/4/1
5 6
7
LINE2_L CEC10 100U/D/10V/57 CR23 75/4 BACK_L CR80 39.2K/4/1
CEC10 100U/D/10V/57 CR23 75/4 CR80 39.2K/4/1
9 10
PH/2*5K8/GED/2.54/VA/D
PH/2*5K8/GED/2.54/VA/D
A A
CC1 CC2 CC3 CC4
CC1 CC2 CC3 CC4
180P/4/NPO/50V/J 180P/4/NPO/50V/J 180P/4/NPO/50V/J 180P/4/NPO/50V/J
180P/4/NPO/50V/J 180P/4/NPO/50V/J 180P/4/NPO/50V/J 180P/4/NPO/50V/J
GIGABYTE
GIGABYTE
GIGABYTE
Title
Title
Title
ALC662
ALC662
ALC662
Size Document Number Rev
Size Document Number Rev
Size Document Number Rev
Custom GA-M68SM-S2L
Custom GA-M68SM-S2L
Custom GA-M68SM-S2L
1.0
1.0
1.0
Date: Monday, September 17, 2007 Sheet 24 of 29
Date: Monday, September 17, 2007 Sheet 24 of 29
Date: Monday, September 17, 2007 Sheet 24 of 29
5 4 3 2 1
48
47
46
45
44
43
42
41
40
39
38
37
LFE
CEN
AVSS2
AVDD2
SURR-L
SURR-R
SPDIF/EAPD
JDREF (NC)/JD3
LINE1-VREFOR/VREFO3
SENSE A(JD1)/PHONE JD5
SPDIFO
LINE2-L/AUX-L
LINE2-R/AUX-R
SURBACK-R/XTALSEL
MIC2-L/JD2
SURBACK-L/JD0 GPIO0
MIC2-R/JD1 GPIO1
CD_L
CD_GND
CD_R
MIC1-L/MIC1
MIC1-R/MIC2
LINE1-L
LINE1-R
13
14
15
16
17
18
19
20
21
22
23
24
SOT23
SOT23
SOT23
SOT23
1
1
1
1
+
+
+
+
5 4 3 2 1
CR26 0/SHT/X CEC17 10u/S/16V/45 CR59 75/4
CR26 0/SHT/X CEC17 10u/S/16V/45 CR59 75/4 AJ_B5
LINE OUT LINE_O_R
CR27 0/6/X
CR27 0/6/X
CEC19 10u/S/16V/45 CR60 75/4
CEC19 10u/S/16V/45 CR60 75/4 AJ_B2
LINE_O_L
For 882 CR59/CR60=>22 ohm
CR3 CR4
CR3 CR4
22K/4 22K/4
22K/4 22K/4
VCC SPDIF_O CBC21 CBC22
SPDIF_O CBC21 CBC22
22K is for some polar capacitor use only.
+12V
1
CQ4
CQ4
2
SPDIF
CD1
CD1 For 882 CR3/CR4=>no pop
D 3 D
1N4148W/SOD123/300mA 180P/4/NPO/50V/J
1N4148W/SOD123/300mA 180P/4/NPO/50V/J
AVDD
180P/4/NPO/50V/J
180P/4/NPO/50V/J
PH/1*3/BK/2.54/VA/D
PH/1*3/BK/2.54/VA/D
CD2
CD2
5VSB LINE-IN
For 882 CR61/CR62=>0 ohm
PIN HEADER 1X3
1N4148W/SOD123/300mA CBC25
1N4148W/SOD123/300mA CBC25
CBC47 0.1U/6/Y/25V/X CR61 75/4
CBC47 0.1U/6/Y/25V/X CR61 75/4 LINE_IN_RR
LINE_IN_R
APL78L05/SOT89/0.1A
APL78L05/SOT89/0.1A
CR62 75/4
CR62 75/4 LINE_IN_LL
LINE_IN_L
22u/12/X5R/6.3V/M
22u/12/X5R/6.3V/M
CR8 CR9
CR8 CR9
22K/4/X 22K/4/X
22K/4/X 22K/4/X
CBC26 CBC27
CBC26 CBC27
For 882 CR8/CR9=>no pop 180P/4/NPO/50V/J
180P/4/NPO/50V/J
180P/4/NPO/50V/J
180P/4/NPO/50V/J
MIC
CR63 75/4
CR63 75/4 MIC22
MIC2
CR64 75/4
CR64 75/4 MIC11
MIC1
For 882 CR63/CR64=>0 ohm
CR10 CR11 CBC29
CR10 CR11 CBC29
C CD_IN 22K/4/X 22K/4/X CBC28 180P/4/NPO/50V/J C
CD_IN 22K/4/X 22K/4/X CBC28 180P/4/NPO/50V/J
CD IN
1
CD_L
2
CDGND
3
For 882 CR10/CR11=>no pop 180P/4/NPO/50V/J
180P/4/NPO/50V/J
4
CD_R
SHR/1*4/BK/P/2.54/VA/D
SHR/1*4/BK/P/2.54/VA/D
CR51 CR52 CR53
CR51 CR52 CR53
8.2K/4 8.2K/4 8.2K/4
8.2K/4 8.2K/4 8.2K/4
USB_LAN
B B
USB
AUDIO
AUDIO
C4
C4
LINE1_JD
C3
LINE1_JD C3 BLUE
LINE_IN_RR
C5
C5
LINE-IN
LINE_IN_LL
C2
C2
GND
GND
B4
B4
FRONT_JD
B3
FRONT_JD B3
AJ_B5
B5
B5 GREEN
AJ_B2
B2 LINE-OUT
B2
GND
GND
A4
A4
MIC1_JD
A3
MIC1_JD A3
MIC22
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