IBM 81Y4451

[Music] welcome to my Playhouse and today I have a little experiment that I want to do because I have all these very wonderful IBM in 36 50s X 36 50s model one they all have six 3.5 inches hard drives here on the front and they are all limited to using 2 terabyte disk that's the rate controllers fault inside the server so I want to show you that so let's go into the server and I'll show you the rate control and I won't tell you what it is they're armed over here is the rate controller and in this server it's kind of a tiny little thing let's go closer some of it is on the system board and some of it is in an expansion there is still a little battery lithium-ion battery right there that is connected to this thing and this is pop hope that's out of focus and this is part of the rate controller that is under system board you can see the connector is right here oh it's very visible but it g