How to find out how many RAM slot?

I noticed the RAM slots in my laptop have written over it STD in one slot and RVS in another slot When I put one new RAM in the STD slot and an

The mother board has 4 ram slots and the manual advises you to fill the furthest slot from the socket first, leave one free then populate the

rambo slot 1 yes updated mine to the latest version A20 2 done 3 tried reseating and swapping the memory but still the slot dimmb2 wasnt controlled

ramses book slot The RAM sockets that can support it include the LGA 775, 1150, 1151, 1155, 1156, and 2011, as well as the AMD AM1, 3, 3+, FM1, FM2, and FM2+