16
Chapter 2
HARDWARE INSTALLATION
User's Manual |
AL701
SATA_ACT-
33
O OC 3.3V 3.3V/3.3V
Serial ATA Led. Open collector output pin driven during SATA command
activity.
USB Interface Signals
Signal
Pin#
Pin Type
Pwr Rail /Tolerance AL701
Carrier Board
Description
USB3_P1_RXP
146
I USB
USB
Connect 90Ω @100MHz Common Choke in series and
ESD suppressors to GND to USB connector
USB Superspeed receive signal differential pair
USB3_P1_RXN
144
I USB
USB Superspeed receive signal differential pair
USB3_P1_TXP_C
134
O USB
USB
AC Coupling capacitor
Connect 90Ω @100MHz Common Choke in series and
ESD suppressors to GND to USB connector
USB Superspeed transmit signal differential pair
USB3_P1_TXN_C
132
O USB
AC Coupling capacitor
USB Superspeed transmit signal differential pair
USB2_DP1
96
I/O USB
USB
Connect 90Ω @100MHz Common Choke in series and
ESD suppressors to GND to USB connector
Universal Serial Bus Port 0 differential pair.
USB2_DN1
94
USB2_DP0
95
I/O USB
USB
Connect 90Ω @100MHz Common Choke in series and
ESD suppressors to GND to USB connector
Universal Serial Bus Port 1 differential pair.This port may be optionally
used as USB client port.
USB2_DN0
93
USB2_DP2
90
I/O USB
USB
Connect 90Ω @100MHz Common Choke in series and
ESD suppressors to GND to USB connector
Universal Serial Bus Port 2 differential pair.
USB2_DN2
88
USB2_DP3
89
I/O USB
USB
Connect 90Ω @100MHz Common Choke in series and
ESD suppressors to GND to USB connector
Universal Serial Bus Port 3 differential pair.
USB2_DN3
87
USB3_RXP2P (option ) 84
I/O USB
I USB
USB
Connect 90Ω @100MHz Common Choke in series and
ESD suppressors to GND to USB connector
Universal Serial Bus Port 4 differential pair.
Multiplexed with receive signal differential pairs for the Superspeed USB
data path.
USB3_RXP2N (option USB_P4-) 82
USB3_TXP2P (option ) 83
I/O USB
O USB
USB
AC Coupling capacitor
Connect 90Ω @100MHz Common Choke in series and
ESD suppressors to GND to USB connector
Universal Serial Bus Port 5 differential pair.
Multiplexed with transmit signal differential pairs for the Superspeed USB
data path.
USB3_TXP2N (option USB_P5-) 81
AC Coupling capacitor
USB3_RXP0P
(option )
78
I/O USB
I USB
USB
Connect Common Choke in series and ESD
suppressors to GND to USB connector(This Port is
BOM Option with USB_P6 / USB_P7)
Universal Serial Bus Port 6 differential pair.
Multiplexed with receive signal differential pairs for the Superspeed USB
data path.
USB3_RXP0N
(option USB_P6- )
76
USB3_TXP0P
(option )
77
I/O USB
O USB
USB
AC Coupling capacitor
Universal Serial Bus Port 7 differential pair.
Multiplexed with transmit signal differential pairs for the Superspeed USB
data path.
USB3_TXP0N
(option USB_P7-)
75
AC Coupling capacitor
USB01_OC-
86
I CMOS
3.3V Suspend/3.3V PU 10K to 3.3V Suspend
Connect to Overcurrent of USB Power Switch
Over current detect input 1. This pin is used to monitor the USB power
over current of the USB Ports 0 and 1.
USB23_OC-
85
I CMOS
3.3V Suspend/3.3V PU 10K to 3.3V Suspend
Connect to Overcurrent of USB Power Switch
Over current detect input 2. This pin is used to monitor the USB power
over current of the USB Ports 2 and 3.
USB45_OC-
80
I CMOS
3.3V Suspend/3.3V PU 10K to 3.3V Suspend
Connect to Overcurrent of USB Power Switch
Over current detect input 3. This pin is used to monitor the USB power
over current of the USB Ports 4 and 5.
USB67_OC-
79
I CMOS
3.3V Suspend/3.3V PU 10K to 3.3V Suspend
Connect to Overcurrent of USB Power Switch
Over current detect input 4. This pin is used to monitor the USB power
over current of the USB Ports 6 and 7.
USB_OTG_ID_3V3
92
I CMOS
3.3V Suspend/3.3V
USB ID pin.Configures the mode of the USB Port 1. If the signal is
detected as being ‘high active’ the BIOS will automatically configure USB
Port 1 as USB Client and enable USB Client support. This signal should
be driven as OC signal by external circuitry.