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→PCI Express
=== PCI Express ===
{| class="wikitable" border="1"
| align="center" style="background:#f0f0f0;"|'''Routed length for PCI Express Differential Pairs'''
| align="center" style="background:#f0f0f0;"|'''Min'''
| align="center" style="background:#f0f0f0;"|'''Typ'''
| align="center" style="background:#f0f0f0;"|'''Max'''
|-
| Differential Impedance [Ohm]||-||97||-
|-
| Common Mode Impedance [Ohm]||-||50||-
|-
| Intra pair matching [mils]*||-||-||4
|-
| Max Length [inches]*||-||-||<1 inches
|-
| Stub||-||-||0
|-
| Vias on module||-||-||2
|}
* * See detailed trace lengths shown in the following table. These numbers are required to compute overall (SoM + carrier board) lengths.
{| class="wikitable" border="1"
| align="center" style="background:#f0f0f0;"|'''Axel Ultra pin name'''
| align="center" style="background:#f0f0f0;"|'''Individual trace length [mils]'''
|-
| PCIE_TXP||align="center" |913,9
|-
| PCIE_TXN||align="center" |913,93
|-
| PCIE_RXP||align="center" |840,35
|-
| PCIE_RXN||align="center" |836,28
|}
== Software ==