公开(公告)号：US20190286601A1

公开(公告)日：2019-09-19

申请号：US15922148

申请日：2018-03-15

Applicant: Hewlett Packard Enterprise Development LP

Inventor： Michael Delany ,  Howard Leverenz ,  Dylan A. Quiroz

IPC: G06F13/40 ,  H02H9/00 ,  H02H9/02 ,  G05F1/573

Abstract: A controller, comprising: a processing resource; and a memory resource storing machine-readable instructions to cause the processing resource to: activate a detection signal to enable a transistor coupled to the controller; determine a voltage associated with a plurality of hot swap controllers; and determine, in view of the voltage, a quantity of hot swap controllers included in the plurality of hot swap controllers.