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5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Near the USB connectors
C
modify 2002,02,05
1-2 : For PCI 2.1 or later
2-3 : For early PCI 2.0
J4
0.1
VIA TECHNOLOGIES, INC.
1
2
Tuesday, August 27, 2002
USB port& power switch
VT5642D
Title
Size
Document Number
Rev
Date:
Sheet
of
USB3P
USB1N
USB3N
USB4N
USB4P
USB2P
USB2N
USB1P
-S3
-OC0
-OC1
-S3
-S3
USB1N
USB1P
USB2N
USB2P
USB3N
USB3P
USB4N
USB4P
5V_AUX
5V_AUX
5V_AUX
-OC0
1
-OC1
1
USB1N
1
USB1P
1
USB2N
1
USB2P
1
USB3N
1
USB3P
1
USB4N
1
USB4P
1
AGND
VCCUSB1
VCCUSB2
VCCUSB3
VCCUSB4
AGND
VCCUSB1
VCCUSB2
AGND
VCCUSB3
VCCUSB4
AVCC3
AVCC3
AGND
AGND
AVCC3
AGND
AVCC3
AGND
VCC3_SB
AGND
5V_SB
VCCUSB1 VCCUSB2 VCCUSB3 VCCUSB4
AGND
AGND
AVCC5
AVCC5
AVCC5
AVCC5
AVCC3
AVCC3
AVCC3
AVCC3
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
5V_SB
AVCC5
L5
DLW21SN900SQ2
1
4
2
3
FB15
BLM21P
.1u
C40
U6
MIC2012
1
8
2
3
4
7
5
6
-FAULT1
-FAULT2
-S3
AUX
GND
OUT1
OUT2
MAIN
.1u
C39
R30
470
U5D
12
13
11
R40
15K
R46
470
U5C
9
10
8
R34
15K
CT5
100u
R36
15K
CT6
100u
L2
DLW21SN900SQ2
1
4
2
3
UJ4
UJACK
1
4
2
3
CT7
100u
R35
15K
R27
3K
CT8
100u
CT12
22u
R41
15K
R39
15K
L4
DLW21SN900SQ2
1
4
2
3
R37
15K
U5A
1
2
3
U9
LM2621
8
1
5
7
2
6
SW
PGND
SGND
BOOT
EN
VDD
U5B
4
5
6
R38
15K
D1
RB160L-40
1
2
39p
C41
L3
DLW21SN900SQ2
1
4
2
3
R68
150K
FB17
BLM21P
R67
200K
R66
500
R50
1.5K
R69
50K
FB14
BLM21P
J4
2
1
3
UJ1
UJACK
1
4
2
3
UJ2
UJACK
1
4
2
3
FB5
FB16
BLM21P
.1u
C43
UJ3
UJACK
1
4
2
3
FB18
BLM21P
U4
MIC2012
1
8
2
3
4
7
5
6
-FAULT1
-FAULT2
-S3
AUX
GND
OUT1
OUT2
MAIN
FB19
BLM21P
FB20
BLM21P
FB21
BLM21P
CT13
33u
L1
6.8uH
FB7
R28
470
R29
470