IBM 9406-5583 provides a disk controller with auxiliary write cache to improve cache data redundancy. The #5583 includes a #5777 PCI-X disk controller and a secondary IOA with 1.5GB of auxiliary maximum compressed write cache. #5777 and the secondary IOA each require one PCI-X slot and must be installed together in the same system unit or I/O unihttp://www.perfdata.com/images/T/drawer/tower. The #5777 and the auxiliary write cache IOA are connected by a SCSI cable (provided).
