14
Chapter 2
HARDWARE INSTALLATION
User's Manual |
AL701
Pin Types
I Input Pin
O Output Pin
I/O Bi-directional input / output Pin
OD Open drain
OC Open Collector
PP Push Pull
NC Not Connected
X
Signal Descriptions
PCI Express Interface Signals Descriptions
Signal
Pin#
Pin Type
Pwr Rail /Tolerance AL701
Carrier Board
Description
PCIE_P0_RXP
180
I PCIE
PCIE
Device - Connect AC Coupling cap 0.1uF
Slot - Connect to PCIE Conn pin
PCI Express channel 0, Receive Input differential pair.
PCIE_P0_RXN
182
PCIE_P0_TXP_C
179
O PCIE
PCIE
AC Coupling capacitor
Connect to PCIE device or slot
PCI Express channel 0, Transmit Output differential pair.
PCIE_P0_TXN_C
181
AC Coupling capacitor
PCIE_P1_RXP
174
I PCIE
PCIE
Device - Connect AC Coupling cap 0.1uF
Slot - Connect to PCIE Conn pin
PCI Express channel 1, Receive Input differential pair.
PCIE_P1_RXN
176
PCIE_P1_TXP_C
173
O PCIE
PCIE
AC Coupling capacitor
Connect to PCIE device or slot
PCI Express channel 1, Transmit Output differential pair.
PCIE_P1_TXN_C
175
AC Coupling capacitor
PCIE_P2_RXP
168
I PCIE
PCIE
Device - Connect AC Coupling cap 0.1uF
Slot - Connect to PCIE Conn pin
PCI Express channel 2, Receive Input differential pair.
PCIE_P2_RXN
170
PCIE_P2_TXP_C
167
O PCIE
PCIE
AC Coupling capacitor
Connect to PCIE device or slot
PCI Express channel 2, Transmit Output differential pair.
PCIE_P2_TXN_C
169
AC Coupling capacitor
PCIE_P3_RXP
162
I PCIE
PCIE
Device - Connect AC Coupling cap 0.1uF (This Port is
BOM Option with On board LAN)
Slot - Connect to PCIE Conn pin
PCI Express channel 3, Receive Input differential pair.(This Port is BOM
Option with On board LAN)
PCIE_P3_RXN
164
PCIE_P3_TXP_C
161
O PCIE
PCIE
AC Coupling capacitor
Connect to PCIE device or slot (This Port is BOM
Option with On board LAN)
PCI Express channel 3, Transmit Output differential pair.(This Port is BOM
Option with On board LAN)
PCIE_P3_TXN_C
163
AC Coupling capacitor
PCIE_
155
O PCIE
PCIE
Connect to PCIE device, PCIe CLK Buffer or slot
PCI Express Reference Clock for Lanes 0 to 3.
PCIE_CLK_REF-
157
PCIE_WAKE2-
156
I CMOS
3.3V Suspend/3.3V PU 10K to 3.3V Suspend
PCI Express Wake Event: Sideband wake signal asserted by components
requesting wakeup.
CB_PLTRST-_BUFF
158
O CMOS
3.3V/3.3V
Reset Signal for external devices.
UART Interface Signals
Signal
Pin#
Pin Type
Pwr Rail /Tolerance AL701
Carrier Board
Description
EC_SOUT1
171
O CMOS
3.3V/3.3V
Connect to EC
Serial Data Transmitter
EC_SIN1
177
I CMOS
3.3V/3.3V
Connect to EC
Serial Data Reciever