iSeries Model 890 245Draft Document for Review October 18, 2004 5486m890.fm#9094 Base PCI I/O EnclosureThe #9094 Base PCI I/O Enclosure is the base PCI-X I/O enclosure shipped withthe Model 870 and 890 system units. A #9094 is attached to the system unit viaan high-speed link (HSL) cable through a #9887 Base HSL-2 Bus Adapter. OneJTAG cable and one V/S Communication cable (VPD and SPCN combined) areincluded for the attachment of the #9094 to the system unit. The #5114 Dual LineCords - Tower is a required feature. Specify two line cords for the #9094.The #9094 has 15 disk unit slots, with an additional 30 slots available when usingfeature #5107 30 Disk Expansion. The 45 disk unit positions are in three groupsof 15. Each group of 15 disk units is further divided into three groups of five diskunits with each group of five disk units supported on a separate SCSI bus.The #9094 also has two removable media slots and 14 PCI-X card slots. A #9844Base PCI IOP is included in the base. A #2757 PCI-X Ultra RAID Disk Controlleror #4748/#4778 PCI RAID Disk Unit Controller is required to drive the disk unitsin the base 15 disk unit slots and the removable media devices in the tworemoval media slots.The #9094 Base PCI I/O Enclosure supports up to nine OS/400 or Linuxcontrolled #2757/#4748/#4778/#5703 disk controllers (up to nine in total). The#5703 PCI-X RAID Disk Unit Controller can be used after three#2757/#4748/#4778 controllers are installed. The #0143 Disk ControllerPlacement Exception is a prerequisite for this configuration when the #5703 isthe only disk unit controller ordered.A maximum of three #2757 PCI-X Ultra RAID Disk Controllers or #4748/#4778PCI RAID Disk Unit Controllers are allowed per #9094. Up to 15 disk units per#2757 are supported in a #9094.The 11 PCI IOAs are supported by the #9844 Base PCI IOP, by feature #2844PCI IOPs, and by the #2791, #2792/#9792, #4710/#9710, or #2799 PCIIntegrated xSeries Server.160 GB Y Y192 GB Y Y224 GB - Y256 GB - YProcessorMemory increment#2497 #2498/#2499* Not recommended for most configurations.
