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5
5VDUAL
5VSB
U11A
VCC=4.2V
KA393D/SO8
R438
8.2K/4
3
VCC
+
1
R431
2
-
12K/4/1
C147
1u/6/X7R/16V/K
R432
10K/4/1
5VSB
5VSB
D
R439
C149
10K/4/1
0.1u/4/X7R/16V/K
+12V=10V
U11B
KA393D/SO8
R524
8.2K/4
5
+12V
+
7
6
-
R523
C162
2.74K/4/1
0.1u/4/X7R/16V/K
5VDUAL_GATE
5VSB
D
R493
Q88
G
S
1K/4/1
2N7002/SOT23/25pF/5
SOT23
Q85
MMBT2222A/SOT23/600mA/40
C163
1n/4/X7R/50V/K/X
SOT23
[13,18,24]
-SLP_S3
PWROK1 [12,13,18]
R502
D
8.2K/4
Q76
G
S
2N7002/SOT23/25pF/5/X
SOT23
+12V SHORT PROTECT
C
VCC
D
R251
1K/4/1
+12V_ISEN
G
S
R256
D
2K/4/1
G
S
Q36
SOT23
2N7002/SOT23/25pF/5
R260
2K/4/1
BC127
0.1u/4/X7R/16V/K
5VDUAL SHORT PROTECT
D9
BAT54A/SOT23/200mA
D11
B
BAT54C/SOT23/200mA
5VSB
EUP
Q70
1
MMBT2907A/SOT23/-600mA/50
3
[18]
EUP_N
2
R478
8.2K/4
SOT23
5VSB
R469
1K/4/1
R479
68K/4/1
Q87
MMBT2222A/SOT23/600mA/40
SOT23
R475
C157
100K/4/1
1u/6/X7R/16V/K
5VDUAL
Delay CPU_VTT RISING Timming,不足造成CPU不穩, 開機/DDR/C3/C6 ISSUE.
R459
20K/4/1
CPU_VTT
C150
1u/4/X5R/6.3V/K
+12V
2_5LEVEL
A
R447
3.9K/4/1
5
+
R436
8.2K/4
7
0.5V
Z221
6
-
R437
1K/4/1
C145
U10B
0.01u/4/X7R/25V/K
LM324DR/SO14
5
4
+12V
3VDUAL
Q68
R499
2SK3918/TO252/1300pF/7.5m
8.2K/4
5VDUAL
1
2
3
VCC
R476
2
1K/4/1
Q81
P2003ED/P/TO252/30m
5VSB_C
1
2
L1085DG/TO252/5A
3
5VSB
1
1
+
+
EC20
EC21
100u/D/10V/57
1000u/D/6.3V/8C/30m
DDRVTT
-THRMTRIP [4,12]
SOT23
Q35
2N7002/SOT23/25pF/5
BC157
1u/4/X5R/6.3V/K
C117
1u/4/X5R/6.3V/K
5VSB_C
5VSB
R491
5VSB
200/4/1
2_5LEVEL
2_5LEVEL
1
+
CE2
100u/D/10V/57
Q86
AP431N/SOT23/150mA
5VSB
R489
15K+1U:CPU_VTT與VTT_PWRGD差10ms
8.2K/4
PWR_EN
Q83
MMBT2222A/SOT23/600mA/40
R501
[13,18,24]
-SLP_S3
8.2K/4
VTT_PWRGD [4,26]
R477
C158
1.2K/4/1
0.1u/4/X7R/16V/K
Q84
VCC3
R490
8.2K/4
SOT23
MMBT2222A/SOT23/600mA/40
BC190
R492
0.1u/4/X7R/16V/K
8.2K/4
4
3
5VDUAL
3VDUAL
BC29
0.1u/4/Y5V/16V/Z
R55
1
3
+
100/4/1
BC30
EC3
0.1u/4/Y5V/16V/Z
1000u/D/6.3V/8C/30m
1
R54
Q6
169/4/1
DDR_15V
VCC
R365
0/6/SHT/M/X
R347
U6
1K/4/1
1
8
VIN
VREF2
2
7
GND
ENABLE
DDR_VTT_REF
3
6
VREF1
VCNTL
BC154
10u/8/X5R/6.3V/K
4
5
VOUT
BOOT_SEL
R348
1K/4/1
RT9173DPSP/3A/SO8/S
DDRVTT
1A
max
VTT_PWRGD
VTT_PWRGD [4,26]
SOT23
D
Q82
2N7002/SOT23/25pF/5
G
S
R483
0/4/X
SOT23
3
2
VCC1_8_PCH
2_5LEVEL
+12V
VCC3
R466
U10C
3K/4/1
LM324DR/SO14
VCC18_EN
10
+
R198
100/4/1
VCC15_G
8
R452
9
-
BC182
8.2K/4
C142
1u/6/X7R/16V/K
1n/4/X7R/50V/K
R444
40.2K/4/1
2K/4/1
R443
VCC1_05_PCH
2_5LEVEL
+12V
Q48
2SK3918/TO252/1300pF/7.5m
R441
U10D
13.7K/4/1
LM324DR/SO14
R344
100/4/1
VCC1_05_EN
12
+
VCC1_05_G
14
R442
13
-
BC181
10K/4/1
C140
1u/6/X7R/16V/K
1n/4/X7R/50V/K
R429
40.2K/4/1
[26]
VCC1_05_PCH_OV
R428
2K/4/1
BC151
10u/8/X5R/6.3V/K
+12V
3
+
1
2
-
U10A
LM324DR/SO14
Gigabyte Technology
Title
DISCRETE POWER
Size
Document Number
GA-H55M-S2
C
Date:
Tuesday, October 05, 2010
2
1
D
Q21
2SK3918/TO252/1300pF/7.5m
1.5A
max
R530
8.2K/4
VCC1_8_PCH
1
+
EC12
1000u/D/6.3V/8C/30m
C
Q47
2SK3918/TO252/1300pF/7.5m
DDR_15V
R531
8.2K/4
VCC1_05_PCH
1
1
+
+
EC17
EC16
1000u/D/6.3V/8C/30m
1000u/D/6.3V/8C/30m
B
A
Rev
1.3
Sheet
23
of
31
1
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