IBM 9406-5583 > #5777 Ctlr w/Aux Write Cache- System > 9405, 9406, 9407, 9408, 9409, 9411 - Feature > IBM 5583

(#5583) - #5777 Ctlr w/Aux Write Cache

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 unit/drawer/tower. The #5777 and the auxiliary write cache IOA are connected by a SCSI cable (provided). Feature #5777 will not appear on IBM ordering, shipping, or inventory documentation.

The connecting SCSI cable is attached to port four of the #5777, reducing the number of SCSI buses that support disk drives from four to three. The reduction of SCSI buses may also reduce the number of disk drives supported by the #5777, depending on the system unit or I/O unit/drawer/tower in which the #5777 is installed. No disk drives are driven by the auxiliary write cache IOA.

#5583 and #5582 are physically the same adapter cards but have different feature numbers that denote to IBM configurator tools whether or not an IOP is required. #5583 does not require an IOP.

• Attributes provided: Disk controller with auxiliary write cache
• Attributes required: Two PCI-X slots within the same system unit or I/O unit

Option Model Support

• 9405-5583
• 9406-5583
• 9407-5583
• 9408-5583
• 9409-5583
• 9411-5583

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