5781 - IBM PCI-X EXP24 Ctlr-1.5GB w/IOP
(#5781) - PCI-X EXP24 Ctlr-1.5GB w/IOP
Provides an EXP24 disk controller with PCI-X DDR technology, a maximum of 1.5GB compressed write cache and a maximum 1.6GB compressed read cache. The controller supports RAID-5 and RAID-6 and mirroring is supported via i5/OS. Embedded auxiliary write cache and concurrent battery maintenance are provided. The controller is implemented using two physical cards that are firmly connected and requires two adjacent PCI slots. It provides three Ultra320 SCSI ports/buses for the attachment of disk drives located in a #5786/ #5787 TotalStorage EXP24 Disk Drawer/Tower. This feature includes a double-wide blind swap cassette in which the disk controller is placed. The cassette is required to locate the disk controller in a 570 system unit or #5790 I/O drawer.
#5781 and #5782 are physically the same adapter card but have different feature numbers to denote to IBM configuration tools whether or not an IOP is required. #5781 indicates an IOP is used. #5739/#5778 and #5799/#5800 are also the same adapter cards, but the #5781/#5782 indicates the adapter is placed in a double-wide blind swap cassette and #5799/#5800 indicates the adapter is placed in a system unit and has a light pipe inserted into the feature.
Attributes provided: High-performance SCSI RAID controller in a double wide blind swap cassette.
Attributes required: Two adjacent PCI-X long card slots, in a blind swap capable system unit or expansion unit, and an IOP.
OS level required: i5/OS V5R3, or later
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