I have an old mutli card reader taken from a Fujitsu Seimens Scaleo P.
I am trying to attach it to my Gigabyte GA-B75-D3V.
I have tried to attach this to the COM port on my motherboard - it doesn't fit in the front USB sockets or regular USB sockets.
The connector on the reader is shaped like this:
.::::.
Here's an image of it:

Four pins on top row and two closed "pin holes" and 6 on the bottom row.
Does anybody know how to connect this up?
Do I need some sort of converter?
edit: I have added another image of the connector from the site showing the four wires going in. A red arrow illustrates whith socket with a white peg has a little arrow on it. Hope this clarifies things a bit.
https://i.sstatic.net/SA3PC.jpg

The row of six holes can be disregarded.
If needed I have additional images and a few images of the f_usb sockets on my motherboard, that I can upload on request.