An information processing apparatus includes: a casing which includes a side plate on each of left and right sides; and a processing apparatus to be mounted in the casing, wherein the processing apparatus includes: a board on which an arithmetic processing device and a storage device are mounted; a rail which is provided on each of the left and right sides of the board and extends in the horizontal direction to make the board slidable; a locking portion which locks the board to the casing; and a detection portion which detects that the board is taken out when the board is taken out from the casing by that locking by the locking portion is released and the board slides against the rails.

An information processing apparatus includes: a casing which includes a side plate on each of left and right sides; and a processing apparatus to be mounted in the casing, wherein the processing apparatus includes: a board on which an arithmetic processing device and a storage device are mounted; a rail which is provided on each of the left and right sides of the board and extends in the horizontal direction to make the board slidable; a locking portion which locks the board to the casing; and a detection portion which detects that the board is taken out when the board is taken out from the casing by that locking by the locking portion is released and the board slides against the rails.

There is described a modular power supply and a method of connecting and disconnecting the modular parts thereof. First and second portions of the power supply may be connected and disconnected in a hot swap manner while the power supply is in operation.

There is described a modular power supply and a method of connecting and disconnecting the modular parts thereof. First and second portions of the power supply may be connected and disconnected in a hot swap manner while the power supply is in operation.

An information processing apparatus includes: a casing which includes a side plate on each of left and right sides; and a processing apparatus to be mounted in the casing, wherein the processing apparatus includes: a board on which an arithmetic processing device and a storage device are mounted; a rail which is provided on each of the left and right sides of the board and extends in the horizontal direction to make the board slidable; a locking portion which locks the board to the casing; and a detection portion which detects that the board is taken out when the board is taken out from the casing by that locking by the locking portion is released and the board slides against the rails.

An information processing apparatus includes: a casing which includes a side plate on each of left and right sides; and a processing apparatus to be mounted in the casing, wherein the processing apparatus includes: a board on which an arithmetic processing device and a storage device are mounted; a rail which is provided on each of the left and right sides of the board and extends in the horizontal direction to make the board slidable; a locking portion which locks the board to the casing; and a detection portion which detects that the board is taken out when the board is taken out from the casing by that locking by the locking portion is released and the board slides against the rails.

An information processing apparatus includes: a casing which includes a side plate on each of left and right sides; and a processing apparatus to be mounted in the casing, wherein the processing apparatus includes: a board on which an arithmetic processing device and a storage device are mounted; a rail which is provided on each of the left and right sides of the board and extends in the horizontal direction to make the board slidable; a locking portion which locks the board to the casing; and a detection portion which detects that the board is taken out when the board is taken out from the casing by that locking by the locking portion is released and the board slides against the rails.

An information processing apparatus includes: a casing which includes a side plate on each of left and right sides; and a processing apparatus to be mounted in the casing, wherein the processing apparatus includes: a board on which an arithmetic processing device and a storage device are mounted; a rail which is provided on each of the left and right sides of the board and extends in the horizontal direction to make the board slidable; a locking portion which locks the board to the casing; and a detection portion which detects that the board is taken out when the board is taken out from the casing by that locking by the locking portion is released and the board slides against the rails.

A connector including a first connector side having a first rotatable connector mechanism and a second connector side having a second rotatable connector mechanism, the first rotatable connector mechanism and the second rotatable connector mechanism being configured to engage one another when the first connector side and the second connector side abut one another at a first angular orientation, the first rotatable connector mechanism and the second rotatable connector mechanism being configured to disengage from one another when the first connector side and the second connector side are rotated away from the first angular orientation in at least a first direction.

There is described a modular power supply and a method of connecting and disconnecting the modular parts thereof. First and second portions of the power supply may be connected and disconnected in a hot swap manner while the power supply is in operation.