92
2.7. PCIe/104 Stacking Rules
Applies to
1
One or two modules can be stacked directly under the Host PC.
The Host PC must be equipped with one
stack-down
connector of the following types:
●
Type 2 PCIe/104 with 2 PCI Express x4 links providing four active lanes.
●
Type 1 PCIe/104 with 1 PCI Express x16 link configured to operate as 2 x8 links providing at
least four active lanes per link.
NOTE
According the PCIe/104 specification, a Type 1 PCIe/104 host PC that supports
a PCIe x16 link is not required to support two x8, or two x4 links. For such
PCs, only one module can be stacked underneath!
PCIe/104 stack with a Type 1 Host PC and 2 modules.
1
1629 Coaxlink Duo PCIe/104-EMB
.
Coaxlink
Hardware Manual