iSeries IBM 9406, #9074 Base I/O Enclosure
(#9074) Base I/O Enclosure
(Only available as REFURBISHED as of January 1, 2004)
#9074 is the base I/O tower shipped on Model 830, providing space for up to 11 PCI IOAs, up to 45 disk units (15 in the base and 30 additional with #5101), two removable media devices, one battery backup, and redundant/hot swap power supplies. One internal HSL cable is included.
#9074 controls Ultra2 SCSI disk units. The 11 PCI IOAs are supported by the base #9943 PCI IOP and by optional #2843, PCI IOP or #2790, Integrated Netfinity Server features. See the individual IOP descriptions for additional information.
The 45 disk unit positions are in groups of 15, each group of 15 disk units is further divided into three groups of five disk units, each group of five disk units supported on a separate Ultra2 SCSI (LVD-SCSI) bus from a PCI RAID Disk Unit Controller.
The mounting for the first 15 disk units is included in the #9074 base. Mounting for the next 30 disk units is optional using #5101, 30 Disk Expansion Feature.
#9074 also supports up to two removable media devices (internal tape, CD-ROM, or DVD-RAM). These devices are supported by the base #9748/#9778, Base PCI Disk Unit Controller.