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8
7
R360
8.2K/4/X
VCC3
R376
8.2K/4
MB_ID2
D
[19]
CTS1-
-THERM
R405
0/4/SHT/M/X
IT_VCC
[26]
IO_VID7
[26]
IO_VID6
[30]
FANIO1
[30]
FANPWM1
[30]
FANIO2
[30]
FANPWM3
[26]
IO_VID5
[26]
IO_VID4
[26]
IO_VID3
[26]
IO_VID2
[26]
IO_VID1
[26]
IO_VID0
TURBO1
TURBO0
MB_ID2
BSEL166_3
C
[23]
EUP_N
[26]
-PROCHOT_GPIO
[27]
BEEP-
[26]
PSI_CTL
JP6
-RST_BTN
[13]
-PECI_REQ
R357
10/4
ITE_PWROK
[12,13,23]
PWROK1
R371
10/4
[29]
-PFMRST2
R369
10/4
PRST1-
[4]
-PFMRST1
IT_VCC
-LPCPD
-PFMRST
[13]
-PFMRST
-LDRQ0
[13]
-LDRQ0
BC164
22p/4/NPO/50V/J/X
[12]
SERIRQ
[13]
-LFRAME
LAD[0..3]
[13]
LAD[0..3]
B
[12]
-KBRST
[12]
A20GATE
[22]
LPC33
[22]
LPCCLK48
VCC3
PWROK1
R433
8.2K/4
CEB_N
[19]
-SPI_HOLD0
R372
1K/4/1
-RST_BTN
VCC3
R449
680/4/X
CEB_N
R440
1K/4/1
VCC3
A
8
7
6
JP2
[19]
RTS1-
[19]
DSR1-
JP3
[19]
TXD1
[19]
RXD1
JP4
[19]
DTR1-
[19]
DCD1-
[19]
RI1-
32
CTS1#
33
PSI_L/FAN_CTL5/CIRRX2/GP16
34
SVD/PCIRSTIN#/CIRTX2/GP15
35
VCC
36
VCORE_EN/VID7/GP64
37
VCORE_GOOD/VID6/GP63
38
FAN_TAC1
39
FAN_CTL1
40
FAN_TAC2/GP52
41
FAN_CTL2/GP51
42
FAN_TAC3/GP37
43
FAN_CTL3/GP36
44
VID5/GP35
45
VID4/GP34
46
GNDD
47
VID3/GP33
48
IT8720F ( GB )
VID2/GP32
49
VID1/GP31
50
VID0/GP30
51
VIDO5/GP27/SIN2
52
VIDO4/GP26/SOUT2
53
VIDO3/FAN_TAC4/GP25/DSR2#
54
VIDO2/FAN_TAC5/GP24/RTS2#
55
GP23/SI
56
GP22/SCK
57
VIDO1/GP21/DCD2#
58
VIDO0/GP20/CTS2#
59
VIDO6/GP17/RI2#
60
VIDO7/JP6/DTR2#
61
RESETCON#/CIRTX1/CE_N
62
SVC/PECI_RQT/GP14
63
PWROK1/GP13
64
PCIRST1#/GP12
65
PCIRST2#/GP11
66
VCC
67
VIDVCC
68
LRESET#
69
LDRQ#/JP1
R415
8.2K/4
C138
R356
47K/4/1
SOT23
10p/4/NPO/50V/J/X
Q63
MMBT2222A/SOT23/600mA/40
NC For IT8721
-LPCPD
R402
10/4
VCC3
-LDRQ0
R403
1K/4/1
VCC3
ITE_PWROK
R370
1K/4/1
VCC3
-PCIE_RST
R509
1K/4/1
VCC3
C164
22p/4/NPO/50V/J
-PFMRST1
R355
1K/4/1
VCC3
-PFMRST2
R358
1K/4/1
VCC3
A20GATE
R412
680/4/X
BC166
1u/4/X5R/6.3V/K
Hi :Disable WDT
Lo :Enable WDT to rest PWROK
6
5
4
SIO
5
BUSY/GP82
4
PE/GP81
3
SLCT/GP80
2
AVCC
1
VIN0
128
VIN1
127
VIN2
PWOK
126
VIN3/ATXPG
125
VIN4/VLDT_12
124
VIN5/VDDA_25
123
VIN6/VDIMM_STR
122
VREF
121
TMPIN1
120
TMPIN2
119
TMPIN3
118
TSD-
117
GNDA
R510
116
RSMRST#/CIRRX1/GP55
R508
115
PCIRST3#/GP10/VDIMM_STR_EN
114
MCLK/GP56
113
MDAT/GP57
112
KCLK/GP60
111
KDAT/GP61
110
3VSBSW#/GP40
109
PWROK2/GP41
BSEL166_2
108
SUSC#/GP53
107
PSON#/GP42
106
PANSWH#/GP43
105
GNDD
104
PME#/GP54
103
PWRON#GP44
102
SUSB#
101
GP46/IRRX
100
VBAT
99
COPEN#
98
IT_VCCH
VCCH
CEB_N
97
IRTX/GP47/CE2_N/JP7
96
DSKCHG#
BC188
IIT8720F-S-JX(GB)/S
4.7u/8/X5R/6.3V/K
R426
10/4
PECI [4,12]
SST
R427
10/4
SSTCTL [12]
R393
0/6/SHT/M/X
VCC
R472
0/6/SHT/M/X
5VSB
R446
0/6/SHT/M/X
VCC
VCC
5VSB
BC193
BC168
BC184
BC169
0.1u/4/Y5V/16V/Z
0.1u/4/Y5V/16V/Z
0.1u/4/Y5V/16V/Z
10u/8/X5R/6.3V/K
5
4
3
2
R406
VCC3
R516
VCC
TURBO0
IT_AVCC
VIN0 [30]
VIN1 [30]
BC185
TURBO1
VIN2 [30]
1u/6/X7R/16V/K
PWOK [28]
CLOSE PIN2
VIN4 [30]
PWOK
VIN5 [30]
VIN6 [30]
VREF [30]
SYS_TEMP [30]
CPU_TEMP [30]
PWM_TEMP [30]
22/4
-RSMRST
-RSMRST [13,14]
10/4
-PCIE_RST [15,16]
MCLK [30]
5VSB
MDAT [30]
KCLK [30]
KDAT [30]
R504
8.2K/4
PECI_CTL [12]
VBAT [13]
-CASEOPEN [27]
C170
0.01u/4/X7R/25V/K
3VDUAL_ICH
BC189
0.047u/4/X7R/16V/K
ITE8720 Power on Strapping
JP2
JP3
JP4
JP5
JP6
JP7
IT_VCC
BSEL166_2
R505
8.2K/4
5VSB
BSEL166_3
R375
8.2K/4
IT_VCCH
5VSB
IT_AVCC
FANPWM3
R361
8.2K/4
VCC
JP2
R423
8.2K/4
VCC
R417
8.2K/4/X
JP3
R418
8.2K/4
VCC
R413
1K/4/1/X
JP4
R414
8.2K/4
VCC
JP6
R373
8.2K/4
VCC3
Title
Size
Document Number
B
Date:
Tuesday, October 05, 2010
3
2
1
8.2K/4
-THERM
-THERM [19]
8.2K/4/X
PWOK
CLK_T0 [22]
VCC3
Q54
R379
MMBT2222A/SOT23/600mA/40
8.2K/4
SOT23
D
CLK_T1 [22]
VCC3
Q56
R383
MMBT2222A/SOT23/600mA/40
8.2K/4
SOT23
C166
1n/4/X7R/50V/K/X
C
-PSON [24,28]
-PWRBTSW [27]
-LPCPME [13]
PWRBTSW [13]
-SLP_S3 [13,23,24]
R503
8.2K/4
EUP
1
Disable VID/SVID output pins
0
Enable VIDO0~7 output pins
1 SPI-Flash Disable
0
SPI-Flash Enable
1
k8 power sequency function is Disable
B
0 k8 power sequency function is Enable
1
Disable WDT reset PWROK
0
Enable WDT reset PWROK
1 Parallel VID output
0
Serial VID output
1
Enable Dual BIOS Function
0
Disable Dual BIOS Function
A
Gigabyte Technology
ITE 8720 LPC IO
Rev
GA-H55M-S2
1.3
Sheet
18
of
31
1
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