Evil is helpful as always. I believe there’s a few hundred posted ‘exceptions’ to the rules on slot processors. The primary thing that helps identify a slot processor is they ALWAYS have elongated gold contacts. Most have two offset rows (see photo) like yours do. Others will have a long set (length of yours) on one side and a shorter set on the back. They never have any ports with two unique exceptions. Some Sparc cards have a simm port on them. I’ve seen photos but never seen one in person, very rare. The other is 128-bit RISC CPUs which often have a 9-pin straight line port. Used to connect two processor board (the board they plug into) levels to each other and sync the clocks. Or something like that. 128-bit is way beyond my experience.
Oh, btw your design is called a tear drop matrix. Two offset rows of squares is called a cube matrix. Longer rectangles are called a box matrix. The bizarre circle design from VIA is called dot matrix (yes it’s a pun). They don’t work half the time, much like printers. AMD made a design for military and industrial laptops called a scythe matrix. Looks like many tiny gold moons. They slipped into a low angled port on the board like laptop ram and literally locked in.
As for gold finger cards. Not all have ports. Or brackets for that matter. Basically if it has a gold finger, has ports and/OR ICs, or a processor, and is not: ram, slot processor; it’s a gold finger card or telco.
Hope this helps more than it confuses.
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