cExpress-AR User’s Guide
PICMG COM.0 R3.0
Page 13
Copyright © 2021 ADLINK Technology, Inc.
2.3.
Audio
Intel® Audio Co-processor integrated
Located on carrier Express-BASE6 (ALC886 standard support)
2.4.
Expansion Busses
6 PCI Express x1 Gen3: Lanes 0,1,2,3 (configurable to x1, x2, x4) and Lanes 4,5 (x1 or x2)
A PCIe switch is HW BOM option by project basis to offer more x1 lanes via Lanes 6,7
1 PCI Express x8 Gen3: Lanes 16-23 (configurable to 1 x8 or 2 x4)
Other: SMBus (system), I2C (user), LPC
Note:
General Purpose Ports GPP 2-9 can support up to 6 devices (SATA 0/1 count as one device), refer to Functional Diagram for details.
2.5.
Ethernet
Intel® 2.5Gigabit Ethernet Controller i225 series (V or IT version)
Supports up to 2.5Gbits and 1000/100/10 Mbit/s connection
V version supports up to 2.5Gbits
IT version supports up to 2.5Gbits (supports TSN on Linux, by project basis, TBC)
Note:
General Purpose Ports GPP 2-9 can support up to 6 devices (SATA 0/1 count as one device), refer to Functional Diagram for details.