ADLINK cPCI-3620 - Manual (Page 64)

52 Getting Started
5. Secure the hard drive assembly to the cPCI-3620D/T
with four M2.5 screws provided.
5.3 PMC/XMC Card Installation
The cPCI-3620S provides one PMC/XMC slot designed to support
3.3V or 5V V(I/O) (default 3.3V) and 5V or 12V VPWR (default
5V). Before you install the PMC/XMC card on the cPCI-3620S,
please make sure that the PMC V(I/O) jumper JPX2 and XMC
VPWR jumper JPX1 on the DB-3UMC daughter board have been
correctly set.