An implantable cardiac rhythm management device for delivering anti-tachyarrhythmia therapy is provided with a temporary disablement feature so that the delivery of anti-tachyarrhythmia therapy may be conveniently disabled and re-enabled. The downloading of the product is started by the server as usual. Accordingly, the battery power can be used more efficiently or effectively. In a second configuration, a spacer is mounted onto the first surface of the board, such that a gap is provided between the board and the base board for accommodating the surface mount device, providing a relatively thicker device, but providing additional surface area where the hole otherwise would be, reducing the device size.