BATCTR(Battery Control PCB) CM(Cache Memory Module) CM PATH(Cache Memory Access Path)
Access Path From the processors of CHA,DKA PCB to Cache Memory CSW(Cache Switch PCB) DKA(Disk Adapter)
Provides the control functions for data transfer betwwen drives and cache.The DKA contains DRR(Data Recover and Reconstruct), a party generator circuit, It supports eight FIBRE path and offers 32KB of buffer for each FIBERE path. DTA(Data Adapter) FPC(Failure Parts Code)
refer to the ACC section PCB(Printer Circuit Board) SM(Shared Memory Module) SVP(Service Processor)