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IBM AS400 iSeries 5590-8204 - IBM i Model E8A 2780 Controller w/Aux Write Cache IBM i Power 6, 8204 (#5590) 2780 Controller w/Aux Write CacheProvides a disk controller with auxilia.. Product #: 5590-8204

5590-8204 - IBM i Model E8A 2780 Controller w/Aux Write Cache

Brand: IBM AS400 iSeries
Model Number: 5590-8204

IBM i Power 6, 8204 (#5590) 2780 Controller w/Aux Write Cache

Provides a disk controller with auxiliary write cache to improve cache data redundancy. #5590 includes a #2780 PCI-X RAID Disk Controller with 757MB of write cache and a secondary IOA with 1.5GB of auxiliary maximum compressed write cache. The #2780 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. #2780 and the auxiliary write cache IOA are connected by the provided SCSI cable. Feature #2780 will not appear on IBM ordering, shipping, or inventory documentation.

The connecting SCSI cable is attached to port four of the #2780, 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 #2780, depending on the system unit or I/O unit/drawer/tower in which the #2780 is installed. No disk drives are driven by the auxiliary write cache IOA.

Attributes provided: Disk Controller with auxiliary write cache

Attributes required: Two PCI-X slots within the same system unit or I/O unit/drawer/tower

For 8204-E8A: IBM i Power 6, 8204 (#5590)

Minimum required: 0

Maximum allowed: 36 (Initial order maximum: 0)

OS level required: IBM i V5R4 with V5R4M5 Machine Code, or later.

Initial Order/MES/Both/Supported: Supported

CSU: Yes

Return parts MES: Does not apply

Note: Not supported in CEC. System maximum of 48 under IBM i. Not supported under AIX or Linux.