These modems would often slot into a Mini PCI-e slot in the netbook motherboard. [delokaver] figured out how to use these 3G cards over USB instead. It’s actually a fairly straightforward hack.

Description: (POS) Automated Retail Kiosks Embedded Systems Traffic Systems Factory Automation and Process Control Retail Hospitality Gaming Kiosks Features PCI Express Mini Card (mPCIe) type F1, with ...

motherboards had at least one PCIe slot for graphics. PCIe superseded PCI and PCI-X. Unlike its PCI predecessor, which used a shared bus, PCI Express is a switched architecture of up to 32 ...

There’s also four mini-PCI-E slots along the top, with four M.2 E-key slots hiding underneath. The board then has a M.2 slot in the middle for NVME drives, and x1 PCI-E slot hanging off the side.