The Mini PCI-e standard has a couple of pins dedicated to USB data lines ... of figuring out which pins are used to talk to the SIM card, and soldering them up to a SIM adapter, or directly ...

or printed on the card. CHD must be disposed of in a certain manner that renders all data un-recoverable. This includes paper documents and any electronic media including computers, hard drives, ...

Typically available as an external USB module, for desktop computers, the modem may also be available on a PCI or PCI Express (PCIe) card that plugs into an empty slot on the motherboard.