Resetting the selector switch – IBM PC Server/Enterprise Racks 42S User Manual

PC Server/Enterprise Racks 9QS, PC Server/Enterprise Racks 200, PC Server/Enterprise Racks 42P, PC Server/Enterprise Racks 4QS, PC Server/Enterprise Racks 4SB, PC Server/Enterprise Racks 42E, PC Server/Enterprise Racks 4QX, PC Server/Enterprise Racks 900, PC Server/Enterprise Racks 42X, PC Server/Enterprise Racks 9TX, PC Server/Enterprise Racks 4SA, PC Server/Enterprise Racks 9TS, PC Server/Enterprise Racks 9QX